From c72dabdc3f1fd5e09c750b8965768b1b5b686798 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Tue, 9 Feb 2021 19:46:25 +0100
Subject: Database: update to EPSG v10.013

---
 data/sql/grid_transformation.sql | 362 ++++++++++++++++++++++++++-------------
 1 file changed, 239 insertions(+), 123 deletions(-)

(limited to 'data/sql/grid_transformation.sql')

diff --git a/data/sql/grid_transformation.sql b/data/sql/grid_transformation.sql
index 01652314..25059df6 100644
--- a/data/sql/grid_transformation.sql
+++ b/data/sql/grid_transformation.sql
@@ -298,10 +298,10 @@ INSERT INTO "grid_transformation" VALUES('EPSG','1850','ATS77 to NAD83(CSRS) (3)
 INSERT INTO "usage" VALUES('EPSG','8771','grid_transformation','EPSG','1850','EPSG','2313','EPSG','1151');
 INSERT INTO "grid_transformation" VALUES('EPSG','1851','ATS77 to WGS 84 (3)','Parameter file is from ATS77 to NAD83(CSRS)v3 (3) (code 9235) assuming that NAD83(CSRS)v3 is equivalent to WGS 84 within the accuracy of the transformation.','EPSG','9615','NTv2','EPSG','4122','EPSG','4326',1.5,'EPSG','8656','Latitude and longitude difference file','NS778301.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-Can NS',0);
 INSERT INTO "usage" VALUES('EPSG','8772','grid_transformation','EPSG','1851','EPSG','2313','EPSG','1151');
-INSERT INTO "grid_transformation" VALUES('EPSG','3858','WGS 84 to EGM2008 height (1)','Replaces WGS 84 to EGM96 height (1) (CT code 15781). Grid spacing is 2.5 arc-minutes. For a smaller spacing (in principle more exact but requiring greater computing resources) see CT code 3859. An executable using spherical harmonics is also available.','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','3855',1.0,'EPSG','8666','Geoid (height correction) model file','Und_min2.5x2.5_egm2008_isw=82_WGS84_TideFree.gz',NULL,NULL,NULL,NULL,NULL,NULL,'NGA-World',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','3858','WGS 84 to EGM2008 height (1)','Replaces WGS 84 to EGM96 height (1) (CT code 15781). Grid spacing is 2.5 arc-minutes. For smaller spacing (in principle more exact) see CT code 3859. For reversible alternative see CT code 9704. An executable using spherical harmonics is also available.','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','3855',1.0,'EPSG','8666','Geoid (height correction) model file','Und_min2.5x2.5_egm2008_isw=82_WGS84_TideFree.gz',NULL,NULL,NULL,NULL,NULL,NULL,'NGA-World',0);
 INSERT INTO "usage" VALUES('EPSG','8948','grid_transformation','EPSG','3858','EPSG','1262','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','3859','WGS 84 to EGM2008 height (2)','Replaces WGS 84 to EGM96 height (1) (CT code 15781). Grid spacing is 1 arc-minute. For a larger grid spacing (in principle less exact but requiring less computing resources) see CT code 3858. An executable using spherical harmonics is also available.','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','3855',0.5,'EPSG','8666','Geoid (height correction) model file','Und_min1x1_egm2008_isw=82_WGS84_TideFree.gz',NULL,NULL,NULL,NULL,NULL,NULL,'NGA-World',0);
-INSERT INTO "usage" VALUES('EPSG','8949','grid_transformation','EPSG','3859','EPSG','1262','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','3859','WGS 84 to EGM2008 height (2)','Replaces WGS 84 to EGM96 height (1) (CT code 15781). Grid spacing is 1 arc-minute. For a larger grid spacing (in principle less exact) see CT code 3858. For reversible alternative see CT code 9618. An executable using spherical harmonics is available.','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','3855',0.5,'EPSG','8666','Geoid (height correction) model file','Und_min1x1_egm2008_isw=82_WGS84_TideFree.gz',NULL,NULL,NULL,NULL,NULL,NULL,'NGA-World',0);
+INSERT INTO "usage" VALUES('EPSG','14322','grid_transformation','EPSG','3859','EPSG','1262','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','4459','NZGD2000 to NZVD2009 height (1)','Defines NZVD2009 vertical datum (datum code 1039, CRS code 4440).','EPSG','1030','Geographic3D to GravityRelatedHeight (NZgeoid)','EPSG','4959','EPSG','4440',0.1,'EPSG','8666','Geoid (height correction) model file','nzgeoid09.sid',NULL,NULL,NULL,NULL,NULL,NULL,'LINZ-NZ 2009',0);
 INSERT INTO "usage" VALUES('EPSG','9090','grid_transformation','EPSG','4459','EPSG','1175','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','4561','RRAF 1991 to Martinique 1987 height (1)','May be used for transformations from WGS 84 to IGN 1987. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4557','EPSG','5756',998.0,'EPSG','8666','Geoid (height correction) model file','ggm00.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Mtq',0);
@@ -364,8 +364,8 @@ INSERT INTO "grid_transformation" VALUES('EPSG','5543','SAD69(96) to WGS 84 (1)'
 INSERT INTO "usage" VALUES('EPSG','9466','grid_transformation','EPSG','5543','EPSG','3887','EPSG','1067');
 INSERT INTO "grid_transformation" VALUES('EPSG','5594','FEH2010 to FCSVR10 height (1)','','EPSG','1030','Geographic3D to GravityRelatedHeight (NZgeoid)','EPSG','5592','EPSG','5597',0.1,'EPSG','8666','Geoid (height correction) model file','fehmarn_geoid10.gri',NULL,NULL,NULL,NULL,NULL,NULL,'FEM-Dnk-Deu Feh',1);
 INSERT INTO "usage" VALUES('EPSG','9477','grid_transformation','EPSG','5594','EPSG','3890','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','5626','FEH2010 to FCSVR10 height (1)','','EPSG','1047','Geographic3D to GravityRelatedHeight (Gravsoft)','EPSG','5592','EPSG','5597',0.1,'EPSG','8666','Geoid (height correction) model file','fehmarn_geoid10.gri',NULL,NULL,NULL,NULL,NULL,NULL,'FEM-Dnk-Deu Feh',0);
-INSERT INTO "usage" VALUES('EPSG','9481','grid_transformation','EPSG','5626','EPSG','3890','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','5626','FEH2010 to FCSVR10 height (1)','For reversible alternative to this transformation see FEH2010 to FEH2010 + FCSVR10 height (1) (code 9619).','EPSG','1047','Geographic3D to GravityRelatedHeight (Gravsoft)','EPSG','5592','EPSG','5597',0.1,'EPSG','8666','Geoid (height correction) model file','fehmarn_geoid10.gri',NULL,NULL,NULL,NULL,NULL,NULL,'FEM-Dnk-Deu Feh',0);
+INSERT INTO "usage" VALUES('EPSG','14327','grid_transformation','EPSG','5626','EPSG','3890','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','5656','GDA94 to AHD height (49)','File name previously called AUSGeoid09_GDA94_V1.01_DOV_windows.gsb. Replaces AUSGeoid98 model. Uses AUSGeoid09 model which uses bi-cubic interpolation; bi-linear interpolation of the grid file will give results agreeing to within 1cm 99.97% of the time.','EPSG','1048','Geographic3D to GravityRelatedHeight (AUSGeoid v2)','EPSG','4939','EPSG','5711',0.15,'EPSG','8666','Geoid (height correction) model file','AUSGeoid09_V1.01.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus09 mainland',0);
 INSERT INTO "usage" VALUES('EPSG','9488','grid_transformation','EPSG','5656','EPSG','1281','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','5657','GDA94 to AHD (Tasmania) height (2)','Replaces AusGeoid98 model. Uses AusGeoid09 model which uses bi-cubic interpolation; bi-linear interpolation of the grid file will give results agreeing to within 1cm 99.97% of the time. May be used for transformations from WGS 84 to AHD (Tasmania).','EPSG','1048','Geographic3D to GravityRelatedHeight (AUSGeoid v2)','EPSG','4939','EPSG','5712',0.03,'EPSG','8666','Geoid (height correction) model file','AUSGeoid09_GDA94_V1.01_DOV_windows.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus09 Tas',0);
@@ -374,12 +374,12 @@ INSERT INTO "grid_transformation" VALUES('EPSG','5661','ED50 to ETRS89 (14)','Wh
 INSERT INTO "usage" VALUES('EPSG','9492','grid_transformation','EPSG','5661','EPSG','3732','EPSG','1079');
 INSERT INTO "grid_transformation" VALUES('EPSG','5891','MGI to ETRS89 (5)','Not to be used for cadastral purposes as it does not comply with the rules for control network tie-in as per Paragraph 3 of the Land Survey Regulations (Vermessungsverordnung) 2010.','EPSG','9615','NTv2','EPSG','4312','EPSG','4258',0.15,'EPSG','8656','Latitude and longitude difference file','AT_GIS_GRID.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'BEV-Aut NTv2',0);
 INSERT INTO "usage" VALUES('EPSG','14324','grid_transformation','EPSG','5891','EPSG','1037','EPSG','1078');
-INSERT INTO "grid_transformation" VALUES('EPSG','6138','CIGD11 to GCVD54 height (ft) (1)','Care: source CRS heights are in metres, transformation file parameter values and target CRS heights are in feet.','EPSG','1050','Geographic3D to GravityRelatedHeight (CI)','EPSG','6134','EPSG','6130',0.03,'EPSG','8666','Geoid (height correction) model file','GCGM0811.TXT',NULL,NULL,NULL,NULL,NULL,NULL,'LSD-Cym',0);
-INSERT INTO "usage" VALUES('EPSG','9628','grid_transformation','EPSG','6138','EPSG','3185','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','6139','CIGD11 to LCVD61 height (ft) (1)','Care: source CRS heights are in metres, transformation file parameter values and target CRS heights are in feet.','EPSG','1050','Geographic3D to GravityRelatedHeight (CI)','EPSG','6134','EPSG','6131',0.03,'EPSG','8666','Geoid (height correction) model file','LCGM0811.TXT',NULL,NULL,NULL,NULL,NULL,NULL,'LSD-Cym',0);
-INSERT INTO "usage" VALUES('EPSG','9629','grid_transformation','EPSG','6139','EPSG','4121','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','6140','CIGD11 to CBVD61 height (ft) (1)','Care: source CRS heights are in metres, transformation file parameter values and target CRS heights are in feet.','EPSG','1050','Geographic3D to GravityRelatedHeight (CI)','EPSG','6134','EPSG','6132',0.03,'EPSG','8666','Geoid (height correction) model file','CBGM0811.TXT',NULL,NULL,NULL,NULL,NULL,NULL,'LSD-Cym',0);
-INSERT INTO "usage" VALUES('EPSG','9630','grid_transformation','EPSG','6140','EPSG','3207','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','6138','CIGD11 to GCVD54 height (ft) (1)','Care: source CRS heights are in metres, transformation file parameter values and target CRS heights are in feet. For reversible alternative to this transformation see CIGD11 to CIGD11 + GCVD54 height (ft)) (code 9603).','EPSG','1050','Geographic3D to GravityRelatedHeight (CI)','EPSG','6134','EPSG','6130',0.03,'EPSG','8666','Geoid (height correction) model file','GCGM0811.TXT',NULL,NULL,NULL,NULL,NULL,NULL,'LSD-Cym',0);
+INSERT INTO "usage" VALUES('EPSG','14268','grid_transformation','EPSG','6138','EPSG','3185','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','6139','CIGD11 to LCVD61 height (ft) (1)','Care: source CRS heights are in metres, transformation file parameter values and target CRS heights are in feet. For reversible alternative to this transformation see CIGD11 to CIGD11 + LCVD61 height (ft) (1) (code 9604).','EPSG','1050','Geographic3D to GravityRelatedHeight (CI)','EPSG','6134','EPSG','6131',0.03,'EPSG','8666','Geoid (height correction) model file','LCGM0811.TXT',NULL,NULL,NULL,NULL,NULL,NULL,'LSD-Cym',0);
+INSERT INTO "usage" VALUES('EPSG','14269','grid_transformation','EPSG','6139','EPSG','4121','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','6140','CIGD11 to CBVD61 height (ft) (1)','Care: source CRS heights are in metres, transformation file parameter values and target CRS heights are in feet. For reversible alternative to this transformation see CIGD11 to CIGD11 + CBVD61 height (ft) (1) (code 9602).','EPSG','1050','Geographic3D to GravityRelatedHeight (CI)','EPSG','6134','EPSG','6132',0.03,'EPSG','8666','Geoid (height correction) model file','CBGM0811.TXT',NULL,NULL,NULL,NULL,NULL,NULL,'LSD-Cym',0);
+INSERT INTO "usage" VALUES('EPSG','14263','grid_transformation','EPSG','6140','EPSG','3207','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','6188','Lisbon to ETRS89 (4)','Derived from 1129 common stations in the national geodetic network. Residuals at 130 further test points average 0.09m, maximum 0.30m.','EPSG','9615','NTv2','EPSG','4207','EPSG','4258',0.1,'EPSG','8656','Latitude and longitude difference file','DLx_ETRS89_geo.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'IGP-Prt 0.1m',0);
 INSERT INTO "usage" VALUES('EPSG','9634','grid_transformation','EPSG','6188','EPSG','1294','EPSG','1031');
 INSERT INTO "grid_transformation" VALUES('EPSG','6189','Datum 73 to ETRS89 (6)','Derived from 1129 common stations in the national geodetic network. Residuals at 130 further test points average 0.06m, maximum 0.16m.','EPSG','9615','NTv2','EPSG','4274','EPSG','4258',0.1,'EPSG','8656','Latitude and longitude difference file','D73_ETRS89_geo.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'IGP-Prt 0.1m',0);
@@ -388,8 +388,8 @@ INSERT INTO "grid_transformation" VALUES('EPSG','6209','NAD27 to NAD83(CSRS) (4)
 INSERT INTO "usage" VALUES('EPSG','9649','grid_transformation','EPSG','6209','EPSG','1447','EPSG','1231');
 INSERT INTO "grid_transformation" VALUES('EPSG','6326','NAD83(2011) to NAVD88 height (1)','Uses Geoid12B hybrid model. Renamed from Geoid12A but with no data changes. See information source for further information.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6319','EPSG','5703',0.02,'EPSG','8666','Geoid (height correction) model file','g2012bu0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-US Conus',0);
 INSERT INTO "usage" VALUES('EPSG','9717','grid_transformation','EPSG','6326','EPSG','1323','EPSG','1132');
-INSERT INTO "grid_transformation" VALUES('EPSG','6327','NAD83(2011) to NAVD88 height (2)','Uses Geoid12B hybrid model. Renamed from Geoid12A but with no data changes. See information source for further information.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6319','EPSG','5703',0.02,'EPSG','8666','Geoid (height correction) model file','g2012ba0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-US AK',0);
-INSERT INTO "usage" VALUES('EPSG','9718','grid_transformation','EPSG','6327','EPSG','1330','EPSG','1132');
+INSERT INTO "grid_transformation" VALUES('EPSG','6327','NAD83(2011) to NAVD88 height (2)','Uses Geoid12B hybrid model. Renamed from Geoid12A but with no data changes. See information source for further information. For reversible alternative to this transformation see NAD83(2011) to NAD83(2011) + NAVD88 height (2) (code 9596).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6319','EPSG','5703',0.02,'EPSG','8666','Geoid (height correction) model file','g2012ba0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-US AK',0);
+INSERT INTO "usage" VALUES('EPSG','14351','grid_transformation','EPSG','6327','EPSG','1330','EPSG','1132');
 INSERT INTO "grid_transformation" VALUES('EPSG','6648','NAD83(CSRS) to CGVD2013 height (1)','Uses CGG2013 model which uses bi-quadratic interpolation; bi-linear interpolation of the grid file will give results agreeing to within 1cm 99.97% of the time.','EPSG','1060','Geographic3D to GravityRelatedHeight (CGG2013)','EPSG','4955','EPSG','6647',0.03,'EPSG','8666','Geoid (height correction) model file','CGG2013n83.byn',NULL,NULL,NULL,NULL,NULL,NULL,'NRC Can CGG2013',1);
 INSERT INTO "usage" VALUES('EPSG','9733','grid_transformation','EPSG','6648','EPSG','1061','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','6712','Tokyo to JGD2000 (2)','NTv2 grid derived by ESRI from that supplied by GSI in application tky2jgd. After Tohoku earthquake of 2011 accuracy in northern Honshu reduced to 1-5m and in this area replaced by Tokyo to JGD2011 (tfm code 6714).','EPSG','9615','NTv2','EPSG','4301','EPSG','4612',0.2,'EPSG','8656','Latitude and longitude difference file','tky2jgd.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Jpn',0);
@@ -412,12 +412,12 @@ INSERT INTO "grid_transformation" VALUES('EPSG','7646','NAD83(2011) to PRVD02 he
 INSERT INTO "usage" VALUES('EPSG','10190','grid_transformation','EPSG','7646','EPSG','3294','EPSG','1132');
 INSERT INTO "grid_transformation" VALUES('EPSG','7647','NAD83(2011) to VIVD09 height (1)','Uses Geoid12B hybrid model. See information source for further information.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6319','EPSG','6642',0.02,'EPSG','8666','Geoid (height correction) model file','g2012bp0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Vir 12B',0);
 INSERT INTO "usage" VALUES('EPSG','10191','grid_transformation','EPSG','7647','EPSG','3330','EPSG','1132');
-INSERT INTO "grid_transformation" VALUES('EPSG','7648','NAD83(MA11) to GUVD04 height (1)','Uses Geoid12B hybrid model. See information source for further information.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6324','EPSG','6644',0.02,'EPSG','8666','Geoid (height correction) model file','g2012bg0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Gum 12B',0);
-INSERT INTO "usage" VALUES('EPSG','10192','grid_transformation','EPSG','7648','EPSG','3255','EPSG','1132');
-INSERT INTO "grid_transformation" VALUES('EPSG','7649','NAD83(MA11) to NMVD03 height (1)','Uses Geoid12B hybrid model. See information source for further information.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6324','EPSG','6640',0.02,'EPSG','8666','Geoid (height correction) model file','g2012bg0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Mnp 12B',0);
-INSERT INTO "usage" VALUES('EPSG','10193','grid_transformation','EPSG','7649','EPSG','4171','EPSG','1132');
-INSERT INTO "grid_transformation" VALUES('EPSG','7650','NAD83(PA11) to ASVD02 height (1)','Uses Geoid12B hybrid model. See information source for further information.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6321','EPSG','6643',0.02,'EPSG','8666','Geoid (height correction) model file','g2012bs0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Asm 12B',0);
-INSERT INTO "usage" VALUES('EPSG','10194','grid_transformation','EPSG','7650','EPSG','2288','EPSG','1132');
+INSERT INTO "grid_transformation" VALUES('EPSG','7648','NAD83(MA11) to GUVD04 height (1)','Uses Geoid12B hybrid model. See information source for further information. For reversible alternative to this transformation see NAD83(MA11) to NAD83(MA11) + GUVD04 height (1) (code 9624).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6324','EPSG','6644',0.02,'EPSG','8666','Geoid (height correction) model file','g2012bg0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Gum 12B',0);
+INSERT INTO "usage" VALUES('EPSG','14366','grid_transformation','EPSG','7648','EPSG','3255','EPSG','1132');
+INSERT INTO "grid_transformation" VALUES('EPSG','7649','NAD83(MA11) to NMVD03 height (1)','Uses Geoid12B hybrid model. See information source for further information. For reversible alternative to this transformation see NAD83(MA11) to NAD83(MA11) + NMVD03 height (1) (code 9625).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6324','EPSG','6640',0.02,'EPSG','8666','Geoid (height correction) model file','g2012bg0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Mnp 12B',0);
+INSERT INTO "usage" VALUES('EPSG','14369','grid_transformation','EPSG','7649','EPSG','4171','EPSG','1132');
+INSERT INTO "grid_transformation" VALUES('EPSG','7650','NAD83(PA11) to ASVD02 height (1)','Uses Geoid12B hybrid model. See information source for further information. For reversible alternative to this transformation see NAD83(PA11) to NAD83(PA11) + ASVD02 height (1) (code 9626).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6321','EPSG','6643',0.02,'EPSG','8666','Geoid (height correction) model file','g2012bs0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Asm 12B',0);
+INSERT INTO "usage" VALUES('EPSG','14372','grid_transformation','EPSG','7650','EPSG','2288','EPSG','1132');
 INSERT INTO "grid_transformation" VALUES('EPSG','7655','PNG94 to PNG08 height (1)','','EPSG','1059','Geographic3D to GravityRelatedHeight (PNG)','EPSG','5545','EPSG','7447',0.2,'EPSG','8666','Geoid (height correction) model file','PNG08.DAT',NULL,NULL,NULL,NULL,NULL,NULL,'QC-Png',0);
 INSERT INTO "usage" VALUES('EPSG','10197','grid_transformation','EPSG','7655','EPSG','4384','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','7673','CH1903 to CHTRF95 (1)','Equivalent to concatenation of transformations 15486 and 1509 to within 2cm. Also used as transformation between CH1903 and ETRS89 (see code 7674).','EPSG','9615','NTv2','EPSG','4149','EPSG','4151',0.25,'EPSG','8656','Latitude and longitude difference file','CHENyx06_ETRS.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'BfL-Che NTv2',0);
@@ -428,20 +428,20 @@ INSERT INTO "grid_transformation" VALUES('EPSG','7709','OSGB 1936 to ETRS89 (2)'
 INSERT INTO "usage" VALUES('EPSG','10222','grid_transformation','EPSG','7709','EPSG','4390','EPSG','1273');
 INSERT INTO "grid_transformation" VALUES('EPSG','7710','OSGB 1936 to WGS 84 (9)','Parameter values taken from OSGB 1936 to ETRS89 (3) (tfm code 7709) assuming that ETRS89 is coincident with WGS 84 within the accuracy of the tfm. Replaces OSGB 1936 to WGS 84 (7) (tfm code 5339).','EPSG','9615','NTv2','EPSG','4277','EPSG','4326',1.0,'EPSG','8656','Latitude and longitude difference file','OSTN15_NTv2_OSGBtoETRS.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'OGP-UK Gbr15 NT',0);
 INSERT INTO "usage" VALUES('EPSG','10223','grid_transformation','EPSG','7710','EPSG','4390','EPSG','1252');
-INSERT INTO "grid_transformation" VALUES('EPSG','7711','ETRS89 to ODN height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Newlyn height (1) (tfm code 10021).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5701',0.008,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Gbr 2015',0);
-INSERT INTO "usage" VALUES('EPSG','10224','grid_transformation','EPSG','7711','EPSG','2792','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','7712','ETRS89 to ODN Orkney height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Newlyn (Orkney Isles) height (1) (tfm code 10029).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5740',0.017,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Ork 2015',0);
-INSERT INTO "usage" VALUES('EPSG','10225','grid_transformation','EPSG','7712','EPSG','2793','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','7713','ETRS89 to ODN (Offshore) height (1)','Replaces ETRS89 to Fair Isle/Flannan Isles/Foula/North Rona/St Kilda/Sule Skerry height (1) (tfm codes 10024-26, 10030-31 and 10034).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','7707',0.02,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Off 2015',0);
-INSERT INTO "usage" VALUES('EPSG','10226','grid_transformation','EPSG','7713','EPSG','4391','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','7714','ETRS89 to Lerwick height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Lerwick height (1) (tfm code 10027).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5742',0.018,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS -UK Shet 2015',0);
-INSERT INTO "usage" VALUES('EPSG','10227','grid_transformation','EPSG','7714','EPSG','2795','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','7715','ETRS89 to Stornoway height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Stornaway height (1) (tfm code 10033).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5746',0.011,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Heb 2015',0);
-INSERT INTO "usage" VALUES('EPSG','10228','grid_transformation','EPSG','7715','EPSG','2799','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','7716','ETRS89 to St. Marys height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to St Marys height (1) (tfm code 10032).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5749',0.01,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Scilly 2015',0);
-INSERT INTO "usage" VALUES('EPSG','10229','grid_transformation','EPSG','7716','EPSG','2802','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','7717','ETRS89 to Douglas height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Douglas height (1) (tfm code 10023).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5750',0.03,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Man 2015',0);
-INSERT INTO "usage" VALUES('EPSG','10230','grid_transformation','EPSG','7717','EPSG','2803','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','7711','ETRS89 to ODN height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Newlyn height (1) (tfm code 10021). For reversible alternative to this transformation see ETRS89 to ETRS89 + ODN height (2) (code 9587).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5701',0.008,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Gbr 2015',0);
+INSERT INTO "usage" VALUES('EPSG','14515','grid_transformation','EPSG','7711','EPSG','2792','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','7712','ETRS89 to ODN Orkney height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Newlyn (Orkney Isles) height (1) (tfm code 10029). For reversible alternative to this transformation see ETRS89 to ETRS89 + ODN Orkney height (2) (code 9586).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5740',0.017,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Ork 2015',0);
+INSERT INTO "usage" VALUES('EPSG','14517','grid_transformation','EPSG','7712','EPSG','2793','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','7713','ETRS89 to ODN (Offshore) height (1)','Replaces ETRS89 to Fair Isle/Flannan Isles/Foula/North Rona/St Kilda/Sule Skerry height (1) (tfm codes 10024-26, 10030-31 and 10034). For reversible alternative to this transformation see ETRS89 to ETRS89 + ODN (Offshore) height (1) (code 9588).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','7707',0.02,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Off 2015',0);
+INSERT INTO "usage" VALUES('EPSG','14512','grid_transformation','EPSG','7713','EPSG','4391','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','7714','ETRS89 to Lerwick height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Lerwick height (1) (tfm code 10027). For reversible alternative to this transformation see ETRS89 to ETRS89 + Lerwick height (2) (code 9589).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5742',0.018,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS -UK Shet 2015',0);
+INSERT INTO "usage" VALUES('EPSG','14510','grid_transformation','EPSG','7714','EPSG','2795','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','7715','ETRS89 to Stornoway height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Stornaway height (1) (tfm code 10033). For reversible alternative to this transformation see ETRS89 to ETRS89 + Stornoway height (2) (code 9584).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5746',0.011,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Heb 2015',0);
+INSERT INTO "usage" VALUES('EPSG','14521','grid_transformation','EPSG','7715','EPSG','2799','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','7716','ETRS89 to St. Marys height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to St Marys height (1) (tfm code 10032). For reversible alternative to this transformation see ETRS89 to ETRS89 + St. Marys height (2) (code 9585).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5749',0.01,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Scilly 2015',0);
+INSERT INTO "usage" VALUES('EPSG','14519','grid_transformation','EPSG','7716','EPSG','2802','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','7717','ETRS89 to Douglas height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Douglas height (1) (tfm code 10023). For reversible alternative to this transformation see ETRS89 to ETRS89 + Douglas height (2) (code 9590).','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5750',0.03,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Man 2015',0);
+INSERT INTO "usage" VALUES('EPSG','14508','grid_transformation','EPSG','7717','EPSG','2803','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','7718','ETRS89 to Belfast height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Belfast height (1) (tfm code 5334).','EPSG','1045','Geographic3D to GravityRelatedHeight (OSGM02-Ire)','EPSG','4937','EPSG','5732',0.014,'EPSG','8666','Geoid (height correction) model file','OSGM15_Belfast.gri',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK NI 2015',1);
 INSERT INTO "usage" VALUES('EPSG','10231','grid_transformation','EPSG','7718','EPSG','2530','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','7719','ETRS89 to Malin Head height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Malin Head height (1) (tfm code 5335).','EPSG','1045','Geographic3D to GravityRelatedHeight (OSGM02-Ire)','EPSG','4937','EPSG','5731',0.023,'EPSG','8666','Geoid (height correction) model file','OSGM15_Malin.gri',NULL,NULL,NULL,NULL,NULL,NULL,'OS-Ire 2015',1);
@@ -476,13 +476,13 @@ INSERT INTO "grid_transformation" VALUES('EPSG','7871','NZVD2016 height to Taran
 INSERT INTO "usage" VALUES('EPSG','10305','grid_transformation','EPSG','7871','EPSG','3769','EPSG','1059');
 INSERT INTO "grid_transformation" VALUES('EPSG','7872','NZVD2016 height to Wellington 1953 height (1)','Derived at 137 control points. Mean offset 0.408m, standard deviation 0.054m, maximum difference from mean 0.112m.','EPSG','1071','Vertical Offset by Grid Interpolation (NZLVD)','EPSG','7839','EPSG','5770',0.02,'EPSG','8732','Vertical offset file','wellington-1953-to-nzvd2016-conversion.csv',NULL,NULL,NULL,NULL,'EPSG','4167','LINZ-NZ WGTN',0);
 INSERT INTO "usage" VALUES('EPSG','10306','grid_transformation','EPSG','7872','EPSG','3773','EPSG','1059');
-INSERT INTO "grid_transformation" VALUES('EPSG','7891','SHGD2015 to SHVD2015 height (1)','This transformation defines SHVD2015 heights.','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','7885','EPSG','7890',0.0,'EPSG','8666','Geoid (height correction) model file','Und_min2.5x2.5_egm2008_isw=82_WGS84_TideFree.gz',NULL,NULL,NULL,NULL,NULL,NULL,'ENRD-Shn Hel',0);
-INSERT INTO "usage" VALUES('EPSG','10311','grid_transformation','EPSG','7891','EPSG','3183','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','7891','SHGD2015 to SHVD2015 height (1)','This transformation defines SHVD2015 heights. For reversible alternative to this transformation see SHGD2015 to SHGD2015 + SHVD2015 height (1) (code 9617).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','7885','EPSG','7890',0.0,'EPSG','8666','Geoid (height correction) model file','Und_min2.5x2.5_egm2008_isw=82_WGS84_TideFree.gz',NULL,NULL,NULL,NULL,NULL,NULL,'ENRD-Shn Hel',0);
+INSERT INTO "usage" VALUES('EPSG','14318','grid_transformation','EPSG','7891','EPSG','3183','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','7957','Canada velocity grid v6','NOTE: Before being deprecated this record had a second parameter (code 1048, value 8251) which has been removed due to being non-compliant with the data model.','EPSG','1070','Point motion by grid (Canada NTv2_Vel)','EPSG','8251','EPSG','8251',0.01,'EPSG','1050','Point motion velocity grid file','cvg60.cvb',NULL,NULL,NULL,NULL,NULL,NULL,'NRC-Can cvg6.0',1);
 INSERT INTO "usage" VALUES('EPSG','10342','grid_transformation','EPSG','7957','EPSG','1061','EPSG','1058');
-INSERT INTO "grid_transformation" VALUES('EPSG','7958','ETRS89 to Belfast height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Belfast height (1) (tfm code 5334).','EPSG','1072','Geographic3D to GravityRelatedHeight (OSGM15-Ire)','EPSG','4937','EPSG','5732',0.014,'EPSG','8666','Geoid (height correction) model file','OSGM15_Belfast.gri',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK NI 2015',0);
-INSERT INTO "usage" VALUES('EPSG','10343','grid_transformation','EPSG','7958','EPSG','2530','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','7959','ETRS89 to Malin Head height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Malin Head height (1) (tfm code 5335).','EPSG','1072','Geographic3D to GravityRelatedHeight (OSGM15-Ire)','EPSG','4937','EPSG','5731',0.023,'EPSG','8666','Geoid (height correction) model file','OSGM15_Malin.gri',NULL,NULL,NULL,NULL,NULL,NULL,'OS-Ire 2015',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','7958','ETRS89 to Belfast height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Belfast height (1) (tfm code 5334). For reversible alternative to this transformation see ETRS89 to ETRS89 + Belfast height (2) (code 9592).','EPSG','1072','Geographic3D to GravityRelatedHeight (OSGM15-Ire)','EPSG','4937','EPSG','5732',0.014,'EPSG','8666','Geoid (height correction) model file','OSGM15_Belfast.gri',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK NI 2015',0);
+INSERT INTO "usage" VALUES('EPSG','14505','grid_transformation','EPSG','7958','EPSG','2530','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','7959','ETRS89 to Malin Head height (2)','OSGM15 supersedes OSGM02 geoid model. Replaces ETRS89 to Malin Head height (1) (tfm code 5335). For reversible alternative to this transformation see ETRS89 to ETRS89 + Malin Head height (2) (code 9591).','EPSG','1072','Geographic3D to GravityRelatedHeight (OSGM15-Ire)','EPSG','4937','EPSG','5731',0.023,'EPSG','8666','Geoid (height correction) model file','OSGM15_Malin.gri',NULL,NULL,NULL,NULL,NULL,NULL,'OS-Ire 2015',0);
 INSERT INTO "usage" VALUES('EPSG','10344','grid_transformation','EPSG','7959','EPSG','1305','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','7969','NGVD29 height (m) to NAVD88 height (1)','In this area the NGVD29 vertical reference surface is approximately 0.6 to 1.6m below the NAVD88 datum surface. Interpolation within the gridded data file may be made using either NAD27 or any of the realizations of NAD83 applicable to US conus.','EPSG','9658','Vertical Offset by Grid Interpolation (VERTCON)','EPSG','7968','EPSG','5703',0.02,'EPSG','8732','Vertical offset file','vertconw.94',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-US Conus W',0);
 INSERT INTO "usage" VALUES('EPSG','10352','grid_transformation','EPSG','7969','EPSG','2950','EPSG','1059');
@@ -490,12 +490,12 @@ INSERT INTO "grid_transformation" VALUES('EPSG','7970','NGVD29 height (m) to NAV
 INSERT INTO "usage" VALUES('EPSG','10353','grid_transformation','EPSG','7970','EPSG','2949','EPSG','1059');
 INSERT INTO "grid_transformation" VALUES('EPSG','7971','NGVD29 height (m) to NAVD88 height (3)','In this area the NGVD29 vertical reference surface is approximately 0 to 0.5m above the NAVD88 surface. Interpolation within the gridded data file may be made using either NAD27 or any of the realisations of NAD83 applicable to US conus.','EPSG','9658','Vertical Offset by Grid Interpolation (VERTCON)','EPSG','7968','EPSG','5703',0.02,'EPSG','8732','Vertical offset file','vertcone.94',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-US Conus E',0);
 INSERT INTO "usage" VALUES('EPSG','10354','grid_transformation','EPSG','7971','EPSG','2948','EPSG','1059');
-INSERT INTO "grid_transformation" VALUES('EPSG','8037','WGS 84 to MSL height (1)','Derivation of gravity-related heights referenced to an unspecified mean sea level. Parameter values are from WGS 84 to EGM2008 height (2) (CT code 3859) assuming that the EGM2008 surface equals MSL height within the accuracy of the transformation.','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','5714',0.5,'EPSG','8666','Geoid (height correction) model file','Und_min1x1_egm2008_isw=82_WGS84_TideFree.gz',NULL,NULL,NULL,NULL,NULL,NULL,'IOGP-World',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','8037','WGS 84 to MSL height (1)','Parameter values are from WGS 84 to EGM2008 height (2) (CT code 3859) assuming that the EGM2008 surface equals MSL surface within the accuracy of the transformation. For reversible alternative see WGS 84 to WGS 84 + MSL height (1) (code 9706).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','5714',0.5,'EPSG','8666','Geoid (height correction) model file','Und_min1x1_egm2008_isw=82_WGS84_TideFree.gz',NULL,NULL,NULL,NULL,NULL,NULL,'IOGP-World',0);
 INSERT INTO "usage" VALUES('EPSG','10394','grid_transformation','EPSG','8037','EPSG','1262','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','8268','GR96 to GVR2000 height (1)','Defines GVR2000. File is also available in NOAA VDatum format (ggeoid2000.gtx) and GeoTIFF format (ggeoid2000.tif).','EPSG','1047','Geographic3D to GravityRelatedHeight (Gravsoft)','EPSG','4909','EPSG','8266',0.1,'EPSG','8666','Geoid (height correction) model file','gr2000g.gri',NULL,NULL,NULL,NULL,NULL,NULL,'SDFE-Grl',0);
-INSERT INTO "usage" VALUES('EPSG','10461','grid_transformation','EPSG','8268','EPSG','4461','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','8269','GR96 to GVR2016 height (1)','Defines GVR2016. File is also available in NOAA VDatum format (ggeoid2016.gtx) and GeoTIFF format (ggeoid2016.tif).','EPSG','1047','Geographic3D to GravityRelatedHeight (Gravsoft)','EPSG','4909','EPSG','8267',0.1,'EPSG','8666','Geoid (height correction) model file','ggeoid16.gri',NULL,NULL,NULL,NULL,NULL,NULL,'SDFE-Grl',0);
-INSERT INTO "usage" VALUES('EPSG','10462','grid_transformation','EPSG','8269','EPSG','4454','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','8268','GR96 to GVR2000 height (1)','Defines GVR2000. File is also available in NOAA VDatum format (ggeoid2000.gtx) and GeoTIFF format (ggeoid2000.tif). For reversible alternative to this transformation see GR96 to GR96 + GVR2000 height (1) (code 9598).','EPSG','1047','Geographic3D to GravityRelatedHeight (Gravsoft)','EPSG','4909','EPSG','8266',0.1,'EPSG','8666','Geoid (height correction) model file','gr2000g.gri',NULL,NULL,NULL,NULL,NULL,NULL,'SDFE-Grl',0);
+INSERT INTO "usage" VALUES('EPSG','14329','grid_transformation','EPSG','8268','EPSG','4461','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','8269','GR96 to GVR2016 height (1)','Defines GVR2016. File is also available in NOAA VDatum format (ggeoid2016.gtx) and GeoTIFF format (ggeoid2016.tif). For reversible alternative to this transformation see GR96 to GR96 + GVR2016 height (1) (code 9599).','EPSG','1047','Geographic3D to GravityRelatedHeight (Gravsoft)','EPSG','4909','EPSG','8267',0.1,'EPSG','8666','Geoid (height correction) model file','ggeoid16.gri',NULL,NULL,NULL,NULL,NULL,NULL,'SDFE-Grl',0);
+INSERT INTO "usage" VALUES('EPSG','14333','grid_transformation','EPSG','8269','EPSG','4454','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','8271','RGF93 to NGF IGN69 height (2)','Replaces RGF93 to NGF IGN69 height (1) (code 10000). Accuracy at each 0.1 deg x 0.1 degree grid node is given within the geoid model file.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4965','EPSG','5720',0.02,'EPSG','8666','Geoid (height correction) model file','RAF09.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra 09',1);
 INSERT INTO "usage" VALUES('EPSG','10464','grid_transformation','EPSG','8271','EPSG','1326','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','8272','RGF93 to IGN78 Corsica height (1)','Replaces RGF93 to NGF IGN69 height (1) (code 10002). Accuracy at each 0.1 deg x 0.1 degree grid node is given within the geoid model file.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4965','EPSG','5721',0.05,'EPSG','8666','Geoid (height correction) model file','RAC09.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra Cor 09',1);
@@ -510,7 +510,7 @@ INSERT INTO "grid_transformation" VALUES('EPSG','8369','BD72 to ETRS89 (3)','Fil
 INSERT INTO "usage" VALUES('EPSG','10516','grid_transformation','EPSG','8369','EPSG','1347','EPSG','1150');
 INSERT INTO "grid_transformation" VALUES('EPSG','8371','RGF93 to NGF-IGN69 height (2)','Replaces RGF93 to NGF-IGN69 height (1) (code 10000). Accuracy at each 0.0333333333333° in longitude and 0.025° in latitude grid node is given within the geoid model file. Recommended interpolation method given in file RAF09.xml.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4965','EPSG','5720',0.02,'EPSG','8666','Geoid (height correction) model file','RAF09.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra 09',0);
 INSERT INTO "usage" VALUES('EPSG','10517','grid_transformation','EPSG','8371','EPSG','1326','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','8372','RGF93 to NGF-IGN78 height (2)','Replaces RGF93 to NGF-IGN78 height (1) (code 10002). Accuracy at each 0.0333333333333° in longitude and 0.025° in latitude grid node is given within the geoid model file. Recommended interpolation method given in file RAC09.xml.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4965','EPSG','5721',0.05,'EPSG','8666','Geoid (height correction) model file','RAC09.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra Cor 09',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','8372','RGF93 to NGF-IGN78 height (2)','Replaces RGF93 to NGF-IGN78 height (1) (code 10002). Accuracy at each grid node is given within the geoid model file. Recommended interpolation method given in RAC09.xml. For reversible alternative see RGF93 to RGF93 + NGF-IGN78 height (2) (code 9639).','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4965','EPSG','5721',0.05,'EPSG','8666','Geoid (height correction) model file','RAC09.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra Cor 09',0);
 INSERT INTO "usage" VALUES('EPSG','10518','grid_transformation','EPSG','8372','EPSG','1327','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','8444','GDA94 to GDA2020 (4)','See GDA94 to GDA2020 (1) (code 8048) for transformation using Helmert method which gives identical results.','EPSG','9615','NTv2','EPSG','4283','EPSG','7844',0.05,'EPSG','8656','Latitude and longitude difference file','GDA94_GDA2020_conformal_christmas_island.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Cxr Conf',0);
 INSERT INTO "usage" VALUES('EPSG','10564','grid_transformation','EPSG','8444','EPSG','4169','EPSG','1027');
@@ -550,8 +550,8 @@ INSERT INTO "grid_transformation" VALUES('EPSG','8669','NAD83 to NAD83(HARN) (50
 INSERT INTO "usage" VALUES('EPSG','10761','grid_transformation','EPSG','8669','EPSG','3634','EPSG','1027');
 INSERT INTO "grid_transformation" VALUES('EPSG','8676','Canada velocity grid v6','','EPSG','1070','Point motion by grid (Canada NTv2_Vel)','EPSG','8251','EPSG','8251',0.01,'EPSG','1050','Point motion velocity grid file','cvg60.cvb',NULL,NULL,NULL,NULL,NULL,NULL,'NRC-Can cvg6.0',0);
 INSERT INTO "usage" VALUES('EPSG','10767','grid_transformation','EPSG','8676','EPSG','1061','EPSG','1058');
-INSERT INTO "grid_transformation" VALUES('EPSG','8885','RGF93 to NGF-IGN69 height (3)','Replaces RGF93 to NGF-IGN69 height (2) (code 8371). Accuracy at each 0.0333333333333° in longitude and 0.025° in latitude grid node is given within the geoid model file. Recommended interpolation method is bilinear.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4965','EPSG','5720',0.01,'EPSG','8666','Geoid (height correction) model file','RAF18.tac',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra 18',0);
-INSERT INTO "usage" VALUES('EPSG','10826','grid_transformation','EPSG','8885','EPSG','1326','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','8885','RGF93 to NGF-IGN69 height (3)','Replaces RGF93 to NGF-IGN69 height (2) (code 8371). Accuracy at each grid node is given within the geoid model file. Recommended interpolation method is bilinear. For reversible alternative see RGF93 to RGF93 + NGF-IGN69 height (3) (code 9638).','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4965','EPSG','5720',0.01,'EPSG','8666','Geoid (height correction) model file','RAF18.tac',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra 18',0);
+INSERT INTO "usage" VALUES('EPSG','14492','grid_transformation','EPSG','8885','EPSG','1326','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9105','ATS77 to NAD83 (1)','','EPSG','9615','NTv2','EPSG','4122','EPSG','4269',0.5,'EPSG','8656','Latitude and longitude difference file','GS7783.GSB',NULL,NULL,NULL,NULL,NULL,NULL,'NSGC-Can NS',0);
 INSERT INTO "usage" VALUES('EPSG','10919','grid_transformation','EPSG','9105','EPSG','2313','EPSG','1027');
 INSERT INTO "grid_transformation" VALUES('EPSG','9106','ATS77 to NAD83(CSRS)v6 (4)','Derived through NAD83(CSRS)v6. Replaces ATS77 to NAD83(CSRS)v3 (3) (transformation code 9235).','EPSG','9615','NTv2','EPSG','4122','EPSG','8252',0.06,'EPSG','8656','Latitude and longitude difference file','NS778302.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'NSGC-Can NS v2',0);
@@ -594,18 +594,18 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9124','ITRF2008 to CGVD2013(CGG
 INSERT INTO "usage" VALUES('EPSG','10938','grid_transformation','EPSG','9124','EPSG','1061','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9125','ITRF2008 to CGVD2013(CGG2013a) height (2)','Uses CGG2013a model derived through NAD83(CSRS)v6 which uses bi-quadratic interpolation; bi-linear interpolation of the grid file will give results agreeing to within 1cm 99.97% of the time. Replaces CT code 9124.','EPSG','1060','Geographic3D to GravityRelatedHeight (CGG2013)','EPSG','7911','EPSG','9245',0.03,'EPSG','8666','Geoid (height correction) model file','CGG2013i08a.byn',NULL,NULL,NULL,NULL,NULL,NULL,'NRC Can CGG2013a',0);
 INSERT INTO "usage" VALUES('EPSG','10939','grid_transformation','EPSG','9125','EPSG','1061','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9131','RGAF09 to IGN 2008 LD height (1)','Replaces RGAF09 to IGN 1992 LD height (1) (CT code 5507). Accuracy 0.1-0.2m within onshore area.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','9130',0.2,'EPSG','8666','Geoid (height correction) model file','RALD2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Glp Des',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9131','RGAF09 to IGN 2008 LD height (1)','Replaces RGAF09 to IGN 1992 LD height (1) (CT code 5507). Accuracy 0.1-0.2m within onshore area. For reversible alternative to this transformation see RGAF09 to RGAF09 + IGN 2008 LD height (1) (code 9636).','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','9130',0.2,'EPSG','8666','Geoid (height correction) model file','RALD2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Glp Des',0);
 INSERT INTO "usage" VALUES('EPSG','10944','grid_transformation','EPSG','9131','EPSG','2893','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9132','RRAF 1991 to IGN 2008 LD height (1)','Replaces RRAF 1991 to IGN 1992 LD height (1) (CT code 4566). Accuracy 0.1-0.2m within onshore area.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4557','EPSG','9130',0.2,'EPSG','8666','Geoid (height correction) model file','RALDW842016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp Des',0);
-INSERT INTO "usage" VALUES('EPSG','10945','grid_transformation','EPSG','9132','EPSG','2893','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9133','RGAF09 to Guadeloupe 1988 height (2)','Replaces RGAF09 to Guadeloupe 1988 height (1) (CT code 5503). Accuracy 0.01-0.05m within onshore areas.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5757',0.05,'EPSG','8666','Geoid (height correction) model file','RAGTBT2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp GT 2016',0);
-INSERT INTO "usage" VALUES('EPSG','10946','grid_transformation','EPSG','9133','EPSG','2892','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9134','RGAF09 to IGN 1988 LS height (2)','Replaces RGAF09 to IGN 1988 LS height (2) (CT code 5506). Accuracy 0.05-0.1m within onshore area.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5616',0.1,'EPSG','8666','Geoid (height correction) model file','RALS2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp LSt 2016',0);
-INSERT INTO "usage" VALUES('EPSG','10947','grid_transformation','EPSG','9134','EPSG','2895','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9135','RGAF09 to IGN 1988 MG height (2)','Replaces RGAF09 to IGN 1988 MG height (1), CT code 5504. Accuracy 0.0.5-0.1m within onshore area.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5617',0.1,'EPSG','8666','Geoid (height correction) model file','RAMG2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp MG 2016',0);
-INSERT INTO "usage" VALUES('EPSG','10948','grid_transformation','EPSG','9135','EPSG','2894','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9136','RGAF09 to Martinique 1987 height (2)','Replaces RGAF09 to Martinique 1987 height (1) (CT code 5502). Accuracy 0.01m to 0.05m within onshore area.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5756',0.05,'EPSG','8666','Geoid (height correction) model file','RAMART2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Mtq 2016',0);
-INSERT INTO "usage" VALUES('EPSG','10949','grid_transformation','EPSG','9136','EPSG','3276','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9132','RRAF 1991 to IGN 2008 LD height (1)','Replaces RRAF 1991 to IGN 1992 LD height (1) (CT code 4566). Accuracy 0.1-0.2m within onshore area. For reversible alternative to this transformation see RRAF 1991 to RRAF 1991 + IGN 2008 LD height (1) (code 9642).','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4557','EPSG','9130',0.2,'EPSG','8666','Geoid (height correction) model file','RALDW842016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp Des',0);
+INSERT INTO "usage" VALUES('EPSG','14503','grid_transformation','EPSG','9132','EPSG','2893','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9133','RGAF09 to Guadeloupe 1988 height (2)','Replaces RGAF09 to Guadeloupe 1988 height (1) (CT code 5503). Accuracy 0.01-0.05m within onshore areas. For reversible alternative to this transformation see RGAF09 to RGAF09 + Guadeloupe 1988 height (2) (code 9631).','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5757',0.05,'EPSG','8666','Geoid (height correction) model file','RAGTBT2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp GT 2016',0);
+INSERT INTO "usage" VALUES('EPSG','14426','grid_transformation','EPSG','9133','EPSG','2892','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9134','RGAF09 to IGN 1988 LS height (2)','Replaces RGAF09 to IGN 1988 LS height (2) (CT code 5506). Accuracy 0.05-0.1m within onshore area. For reversible alternative to this transformation see RGAF09 to RGAF09 to IGN 1988 LS height (2) (code 9632).','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5616',0.1,'EPSG','8666','Geoid (height correction) model file','RALS2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp LSt 2016',0);
+INSERT INTO "usage" VALUES('EPSG','14477','grid_transformation','EPSG','9134','EPSG','2895','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9135','RGAF09 to IGN 1988 MG height (2)','Replaces RGAF09 to IGN 1988 MG height (1), CT code 5504. Accuracy 0.0.5-0.1m within onshore area. For reversible alternative to this transformation see RGAF09 to RGAF09 + IGN 1988 MG height (2) (code 9633).','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5617',0.1,'EPSG','8666','Geoid (height correction) model file','RAMG2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp MG 2016',0);
+INSERT INTO "usage" VALUES('EPSG','14476','grid_transformation','EPSG','9135','EPSG','2894','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9136','RGAF09 to Martinique 1987 height (2)','Replaces RGAF09 to Martinique 1987 height (1) (CT code 5502). Accuracy 0.01m to 0.05m within onshore area. For reversible alternative to this transformation see RGAF09 to RGAF09 + Martinique 1987 height (2) (code 9637).','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5756',0.05,'EPSG','8666','Geoid (height correction) model file','RAMART2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Mtq 2016',0);
+INSERT INTO "usage" VALUES('EPSG','14488','grid_transformation','EPSG','9136','EPSG','3276','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9137','RGSPM06 to Danger 1950 height (1)','Accuracy 0.10m to 0.20m within onshore area.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4466','EPSG','5792',0.2,'EPSG','8666','Geoid (height correction) model file','GGSPM06v1.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-SPM',0);
 INSERT INTO "usage" VALUES('EPSG','10950','grid_transformation','EPSG','9137','EPSG','1220','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9160','NAD83(HARN) to NAVD88 height (1)','Uses Geoid99 hybrid model. Replaced by 2003 model (CT code 9168).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4957','EPSG','5703',0.05,'EPSG','8666','Geoid (height correction) model file','g1999u01.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-US Conus NW',0);
@@ -642,18 +642,20 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9175','NAD83(NSRS2007) to PRVD0
 INSERT INTO "usage" VALUES('EPSG','10970','grid_transformation','EPSG','9175','EPSG','3294','EPSG','1132');
 INSERT INTO "grid_transformation" VALUES('EPSG','9176','NAD83(NSRS2007) to VIVD09 height (1)','Uses Geoid09 hybrid model. Replaced by Geoid12 model (CT code 7647).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4893','EPSG','6642',0.05,'EPSG','8666','Geoid (height correction) model file','g2009p01.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Vir 09',0);
 INSERT INTO "usage" VALUES('EPSG','10971','grid_transformation','EPSG','9176','EPSG','3330','EPSG','1132');
-INSERT INTO "grid_transformation" VALUES('EPSG','9187','RGAF09 to IGN 1988 SB height (2)','Accuracy 0.05m to 0.1m. Replaces RGAF09 to IGN 1988 SB height (1), transformation code 5508.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5619',0.1,'EPSG','8666','Geoid (height correction) model file','gg10_sbv2.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StB',0);
-INSERT INTO "usage" VALUES('EPSG','10979','grid_transformation','EPSG','9187','EPSG','2891','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9188','RGAF09 to IGN 1988 SM height (2)','Accuracy 0.05m to 0.1m. Replaces RGAF09 to IGN 1988 SM height (1), transformation code 5505.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5620',0.1,'EPSG','8666','Geoid (height correction) model file','gg10_smv2.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StM',0);
-INSERT INTO "usage" VALUES('EPSG','10980','grid_transformation','EPSG','9188','EPSG','2890','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9228','RGSPM06 to Danger 1950 height (2)','Accuracy 0.01m to 0.05m within onshore area. Replaces RGSPM06 to Danger 1950 height (1), CT code 9137.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4466','EPSG','5792',0.05,'EPSG','8666','Geoid (height correction) model file','RASPM2018.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-SPM',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9187','RGAF09 to IGN 1988 SB height (2)','Accuracy 0.05m to 0.1m. Replaces RGAF09 to IGN 1988 SB height (1), transformation code 5508. For reversible alternative to this transformation see RGAF09 to RGAF09 + IGN 1988 SB height (2) (code 9634).','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5619',0.1,'EPSG','8666','Geoid (height correction) model file','gg10_sbv2.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StB',0);
+INSERT INTO "usage" VALUES('EPSG','14480','grid_transformation','EPSG','9187','EPSG','2891','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9188','RGAF09 to IGN 1988 SM height (2)','Accuracy 0.05m to 0.1m. Replaces RGAF09 to IGN 1988 SM height (1), transformation code 5505. For reversible alternative to this transformation see RGAF09 to RGAF09 + IGN 1988 SM height (2) (code 9635).','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5620',0.1,'EPSG','8666','Geoid (height correction) model file','gg10_smv2.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StM',0);
+INSERT INTO "usage" VALUES('EPSG','14483','grid_transformation','EPSG','9188','EPSG','2890','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9228','RGSPM06 to Danger 1950 height (2)','Accuracy 0.01m to 0.05m within onshore area. Replaces RGSPM06 to Danger 1950 height (1), CT code 9137. For
+reversible alternative to this transformation see RGSPM06 to RGSPM06 + Danger 1950 height (2) (code
+9641).','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4466','EPSG','5792',0.05,'EPSG','8666','Geoid (height correction) model file','RASPM2018.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-SPM',0);
 INSERT INTO "usage" VALUES('EPSG','13868','grid_transformation','EPSG','9228','EPSG','1220','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9229','NAD83(2011) to NAVD88 height (3)','Uses Geoid18 hybrid model. Replaces 12B model. See information source for further information.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6319','EPSG','5703',0.015,'EPSG','8666','Geoid (height correction) model file','g2018u0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-US Conus 18',0);
-INSERT INTO "usage" VALUES('EPSG','13869','grid_transformation','EPSG','9229','EPSG','1323','EPSG','1132');
-INSERT INTO "grid_transformation" VALUES('EPSG','9230','NAD83(2011) to PRVD02 height (2)','Uses Geoid18 hybrid model. Replaces 12B model. See information source for further information.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6319','EPSG','6641',0.015,'EPSG','8666','Geoid (height correction) model file','g2018p0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Pri 18',0);
-INSERT INTO "usage" VALUES('EPSG','13870','grid_transformation','EPSG','9230','EPSG','3294','EPSG','1132');
-INSERT INTO "grid_transformation" VALUES('EPSG','9231','NAD83(2011) to VIVD09 height (2)','Uses Geoid18 hybrid model. Replaces 12B model. See information source for further information.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6319','EPSG','6642',0.015,'EPSG','8666','Geoid (height correction) model file','g2018p0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Vir 18',0);
-INSERT INTO "usage" VALUES('EPSG','13871','grid_transformation','EPSG','9231','EPSG','3330','EPSG','1132');
+INSERT INTO "grid_transformation" VALUES('EPSG','9229','NAD83(2011) to NAVD88 height (3)','Uses Geoid18 hybrid model. Replaces 12B model. See information source for further information. For reversible alternative to this transformation see NAD83(2011) to NAD83(2011) + NAVD88 height (3) (code 9595).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6319','EPSG','5703',0.015,'EPSG','8666','Geoid (height correction) model file','g2018u0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-US Conus 18',0);
+INSERT INTO "usage" VALUES('EPSG','14353','grid_transformation','EPSG','9229','EPSG','1323','EPSG','1132');
+INSERT INTO "grid_transformation" VALUES('EPSG','9230','NAD83(2011) to PRVD02 height (2)','Uses Geoid18 hybrid model. Replaces 12B model. See information source for further information. For reversible alternative to this transformation see NAD83(2011) to PRVD02 height (2) (code 9622).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6319','EPSG','6641',0.015,'EPSG','8666','Geoid (height correction) model file','g2018p0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Pri 18',0);
+INSERT INTO "usage" VALUES('EPSG','14360','grid_transformation','EPSG','9230','EPSG','3294','EPSG','1132');
+INSERT INTO "grid_transformation" VALUES('EPSG','9231','NAD83(2011) to VIVD09 height (2)','Uses Geoid18 hybrid model. Replaces 12B model. See information source for further information. For reversible alternative to this transformation see NAD83(2011) to NAD83(2011) + VIVD09 height (2) (code 9623).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','6319','EPSG','6642',0.015,'EPSG','8666','Geoid (height correction) model file','g2018p0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Vir 18',0);
+INSERT INTO "usage" VALUES('EPSG','14362','grid_transformation','EPSG','9231','EPSG','3330','EPSG','1132');
 INSERT INTO "grid_transformation" VALUES('EPSG','9232','ISN93 to ISN2016 (1)','Grid transformation based on Kriging between ISN93 and ISN2016. Accuracy is better than 5 cm in stable areas but can be around 25 cm in areas that have suffered deformation due to earthquake or volcanic eruption.','EPSG','9615','NTv2','EPSG','4659','EPSG','8086',0.05,'EPSG','8656','Latitude and longitude difference file','ISN93_ISN2016.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'LMI-Isl',0);
 INSERT INTO "usage" VALUES('EPSG','13872','grid_transformation','EPSG','9232','EPSG','1120','EPSG','1026');
 INSERT INTO "grid_transformation" VALUES('EPSG','9233','ISN2004 to ISN2016 (1)','Grid transformation based on Kriging between ISN2004 and ISN2016. Accuracy is better than 5 cm in stable areas but can be around 25 cm in areas that have suffered deformation due to earthquake or volcanic eruption.','EPSG','9615','NTv2','EPSG','5324','EPSG','8086',0.05,'EPSG','8656','Latitude and longitude difference file','ISN2004_ISN2016.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'LMI-Isl',0);
@@ -680,30 +682,30 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9244','NAD83 to NAD83(CSRS)v4 (
 INSERT INTO "usage" VALUES('EPSG','13889','grid_transformation','EPSG','9244','EPSG','2376','EPSG','1151');
 INSERT INTO "grid_transformation" VALUES('EPSG','9246','NAD83(CSRS)v6 to CGVD2013(CGG2013) height (1)','Uses CGG2013 model which uses bi-quadratic interpolation; bi-linear interpolation of the grid file will give results agreeing to within 1cm 99.97% of the time. Replaced by CGG2013a model (CT code 9247).','EPSG','1060','Geographic3D to GravityRelatedHeight (CGG2013)','EPSG','8251','EPSG','6647',0.03,'EPSG','8666','Geoid (height correction) model file','CGG2013n83.byn',NULL,NULL,NULL,NULL,NULL,NULL,'NRC Can CGG2013',0);
 INSERT INTO "usage" VALUES('EPSG','13879','grid_transformation','EPSG','9246','EPSG','1061','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9247','NAD83(CSRS)v6 to CGVD2013(CGG2013a) height (1)','Uses CGG2013a model which uses bi-quadratic interpolation; bi-linear interpolation of the grid file will give results agreeing to within 1cm 99.97% of the time. Replaces CGG2013 model (CT code 9246).','EPSG','1060','Geographic3D to GravityRelatedHeight (CGG2013)','EPSG','8251','EPSG','9245',0.03,'EPSG','8666','Geoid (height correction) model file','CGG2013n83a.byn',NULL,NULL,NULL,NULL,NULL,NULL,'NRC Can CGG2013a',0);
-INSERT INTO "usage" VALUES('EPSG','13878','grid_transformation','EPSG','9247','EPSG','1061','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9256','POSGAR 2007 to SRVN16 height (1)','Uses Geoid-AR16. See information source for more information.','EPSG','1047','Geographic3D to GravityRelatedHeight (Gravsoft)','EPSG','5342','EPSG','9255',0.05,'EPSG','8666','Geoid (height correction) model file','GEOIDE-Ar16.gri',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Arg',0);
-INSERT INTO "usage" VALUES('EPSG','13924','grid_transformation','EPSG','9256','EPSG','4573','EPSG','1136');
+INSERT INTO "grid_transformation" VALUES('EPSG','9247','NAD83(CSRS)v6 to CGVD2013(CGG2013a) height (1)','Uses bi-quadratic interpolation; bi-linear interpolation of the grid file will give results agreeing to within 1cm 99.97% of the time. For reversible alternative see NAD83(CSRS)v6 to NAD83(CSRS)v6 + CGVD2013(CGG2013a) height (1) (code 9644).','EPSG','1060','Geographic3D to GravityRelatedHeight (CGG2013)','EPSG','8251','EPSG','9245',0.03,'EPSG','8666','Geoid (height correction) model file','CGG2013n83a.byn',NULL,NULL,NULL,NULL,NULL,NULL,'NRC Can CGG2013a',0);
+INSERT INTO "usage" VALUES('EPSG','14527','grid_transformation','EPSG','9247','EPSG','1061','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9256','POSGAR 2007 to SRVN16 height (1)','Uses geoid model Ar16. See information source for more information. For reversible alternative to this transformation see POSGAR 2007 to POSGAR 2007 + SRVN16 height (1) (code 9621).','EPSG','1047','Geographic3D to GravityRelatedHeight (Gravsoft)','EPSG','5342','EPSG','9255',0.05,'EPSG','8666','Geoid (height correction) model file','GEOIDE-Ar16.gri',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Arg',0);
+INSERT INTO "usage" VALUES('EPSG','14342','grid_transformation','EPSG','9256','EPSG','4573','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9275','GHA height to EVRF2000 Austria height (1)','Care! Austrian literature describes this transformation in direction EVRF2000 Austria height to GHA height with offset subtracted. EPSG method has offset as an addition. See method formula and example. The grid is implemented in BEV-Transformator.','EPSG','1080','Vertical Offset by Grid Interpolation (BEV AT)','EPSG','5778','EPSG','9274',0.05,'EPSG','8732','Vertical offset file','GV_HoehenGrid_V1.csv',NULL,NULL,NULL,NULL,'EPSG','4312','BEV-Aut',0);
 INSERT INTO "usage" VALUES('EPSG','13933','grid_transformation','EPSG','9275','EPSG','1037','EPSG','1059');
-INSERT INTO "grid_transformation" VALUES('EPSG','9276','ETRS89 to EVRF2000 Austria height (1)','Austrian Geoid 2008. Accuracy 5cm (1 sigma). The transformation is implemented in BEV-Transformator.','EPSG','1081','Geographic3D to GravityRelatedHeight (BEV AT)','EPSG','4937','EPSG','9274',0.05,'EPSG','8666','Geoid (height correction) model file','GEOID_GRS80_Oesterreich.csv',NULL,NULL,NULL,NULL,'EPSG','4258','BEV-Aut',0);
-INSERT INTO "usage" VALUES('EPSG','14189','grid_transformation','EPSG','9276','EPSG','1037','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9277','MGI to EVRF2000 Austria height (1)','Austrian Geoid 2008 (Bessel ellipsoid). Accuracy 5cm (1 sigma). The transformation is implemented in BEV-Transformator.','EPSG','1081','Geographic3D to GravityRelatedHeight (BEV AT)','EPSG','9267','EPSG','9274',0.05,'EPSG','8666','Geoid (height correction) model file','GEOID_BESSEL_Oesterreich.csv',NULL,NULL,NULL,NULL,'EPSG','4312','BEV-Aut',0);
-INSERT INTO "usage" VALUES('EPSG','14192','grid_transformation','EPSG','9277','EPSG','1037','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9276','ETRS89 to EVRF2000 Austria height (1)','Austrian Geoid 2008. Accuracy 5cm (1 sigma). The transformation is implemented in BEV-Transformator. For reversible alternative to this transformation see ETRS89 to ETRS89 + EVRF2000 Austria height (1) (code 9600).','EPSG','1081','Geographic3D to GravityRelatedHeight (BEV AT)','EPSG','4937','EPSG','9274',0.05,'EPSG','8666','Geoid (height correction) model file','GEOID_GRS80_Oesterreich.csv',NULL,NULL,NULL,NULL,'EPSG','4258','BEV-Aut',0);
+INSERT INTO "usage" VALUES('EPSG','14251','grid_transformation','EPSG','9276','EPSG','1037','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9277','MGI to EVRF2000 Austria height (1)','Austrian Geoid 2008 (Bessel ellipsoid). Accuracy 5cm (1 sigma). The transformation is implemented in BEV-Transformator. For reversible alternative to this transformation see MGI to MGI + EVRF2000 Austria height (1) (code 9601).','EPSG','1081','Geographic3D to GravityRelatedHeight (BEV AT)','EPSG','9267','EPSG','9274',0.05,'EPSG','8666','Geoid (height correction) model file','GEOID_BESSEL_Oesterreich.csv',NULL,NULL,NULL,NULL,'EPSG','4312','BEV-Aut',0);
+INSERT INTO "usage" VALUES('EPSG','14254','grid_transformation','EPSG','9277','EPSG','1037','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9278','ETRS89 to GHA height (1)','This transformation gives same result as concatenation of ETRS89 to EVRF2000 Austria height and EVRF2000 Austria height to GHA height transformations, CTs code 9276 and 9275. Accuracy 5cm (1 sigma). The transformation is implemented in BEV-Transformator.','EPSG','1081','Geographic3D to GravityRelatedHeight (BEV AT)','EPSG','4937','EPSG','5778',0.05,'EPSG','8666','Geoid (height correction) model file','GV_Hoehengrid_plus_Geoid_V3.csv',NULL,NULL,NULL,NULL,'EPSG','4258','BEV-Aut',1);
 INSERT INTO "usage" VALUES('EPSG','13936','grid_transformation','EPSG','9278','EPSG','1037','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9280','ITRF2005 to SA LLD height (1)','Hybrid geoid referenced to ITRF2005@2010.02. Accuracy 7cm at 1 sigma.','EPSG','1082','Geographic3D to GravityRelatedHeight (SA 2010)','EPSG','7910','EPSG','9279',0.07,'EPSG','8666','Geoid (height correction) model file','SAGEOID2010.dat',NULL,NULL,NULL,NULL,NULL,NULL,'NGI-Zaf',0);
-INSERT INTO "usage" VALUES('EPSG','13937','grid_transformation','EPSG','9280','EPSG','3309','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9280','ITRF2005 to SA LLD height (1)','Hybrid geoid referenced to ITRF2005@2010.02. Accuracy 7cm at 1 sigma. For reversible alternative to this transformation see ITRF2005 to ITRF2005 + SA LLD height (1) (code 9643).','EPSG','1082','Geographic3D to GravityRelatedHeight (SA 2010)','EPSG','7910','EPSG','9279',0.07,'EPSG','8666','Geoid (height correction) model file','SAGEOID2010.dat',NULL,NULL,NULL,NULL,NULL,NULL,'NGI-Zaf',0);
+INSERT INTO "usage" VALUES('EPSG','14524','grid_transformation','EPSG','9280','EPSG','3309','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9282','Amersfoort to ETRS89 (9)','Replaces Amersfoort to ETRS89 (7) (tfm code 7000). Horizontal component of official transformation RDNAPTRANS(TM)2018.','EPSG','9615','NTv2','EPSG','4289','EPSG','4258',0.001,'EPSG','8656','Latitude and longitude difference file','rdtrans2018.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'NSGI-Nld 2018',0);
 INSERT INTO "usage" VALUES('EPSG','13939','grid_transformation','EPSG','9282','EPSG','1275','EPSG','1051');
-INSERT INTO "grid_transformation" VALUES('EPSG','9283','ETRS89 to NAP height (2)','Vertical component of official transformation RDNAPTRANS(TM)2018. Replaces earlier versions of RDNAPTRANS(TM).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4937','EPSG','5709',0.001,'EPSG','8666','Geoid (height correction) model file','nlgeo2018.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'NSGI-Nld 2018',0);
-INSERT INTO "usage" VALUES('EPSG','13940','grid_transformation','EPSG','9283','EPSG','1275','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9283','ETRS89 to NAP height (2)','Vertical component of official transformation RDNAPTRANS(TM)2018. Replaces earlier versions of RDNAPTRANS(TM). For reversible alternative to this transformation see ETRS89 to ETRS89 + NAP height (2) (code 9597).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4937','EPSG','5709',0.001,'EPSG','8666','Geoid (height correction) model file','nlgeo2018.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'NSGI-Nld 2018',0);
+INSERT INTO "usage" VALUES('EPSG','14346','grid_transformation','EPSG','9283','EPSG','1275','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9302','HS2-IRF to ETRS89 (1)','In conjunction with the HS2-TM projection (code 9301), emulates zero-distortion HS2P1+14 Snake projection. For use with OSNet v2009 CORS. Supersedes HS2TN02 used with OSNet v2001. Derived at 350000 locations, RMS 0.15 mm; this is considered errorless.','EPSG','9615','NTv2','EPSG','9299','EPSG','4258',0.0,'EPSG','8656','Latitude and longitude difference file','HS2TN15_NTv2.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'HS2-Gbr OSNet2009',0);
 INSERT INTO "usage" VALUES('EPSG','14060','grid_transformation','EPSG','9302','EPSG','4582','EPSG','1260');
 INSERT INTO "grid_transformation" VALUES('EPSG','9304','ETRS89 to HS2-VRF height (1)','Defines HS2-VRF using OSNet v2009. Full grid also available in a single file in each of Leica, Topcon and Trimble formats.','EPSG','9661','Geographic3D to GravityRelatedHeight (EGM)','EPSG','4937','EPSG','9303',0.001,'EPSG','8666','Geoid (height correction) model file','HS2GM15W.grd',NULL,NULL,NULL,NULL,NULL,NULL,'HS2-Gbr HS2GM15 W',0);
 INSERT INTO "usage" VALUES('EPSG','14061','grid_transformation','EPSG','9304','EPSG','4582','EPSG','1260');
-INSERT INTO "grid_transformation" VALUES('EPSG','9305','SRGI2013 to INAGeoid2020 height (1)','Defines INAGeoid2020 reference surface and as such Operation Accuracy is considered to be errorless. Internal accuracy is between 0.05 and 0.24 metres on the large islands of Indonesia.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','9469','EPSG','9471',0.0,'EPSG','8666','Geoid (height correction) model file','INAGEOID20.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'BIG-Idn INAGeoid20',0);
-INSERT INTO "usage" VALUES('EPSG','14156','grid_transformation','EPSG','9305','EPSG','1122','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9305','SRGI2013 to INAGeoid2020 height (1)','Defines INAGeoid2020 reference surface and as such is considered to be errorless. Internal accuracy is between 0.05 and 0.24m on the large islands of Indonesia. For reversible alternative see SRGI2013 to SRGI2013 + INAGeoid2020 height (1) (code 9629).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','9469','EPSG','9471',0.0,'EPSG','8666','Geoid (height correction) model file','INAGEOID20.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'BIG-Idn INAGeoid20',0);
+INSERT INTO "usage" VALUES('EPSG','14385','grid_transformation','EPSG','9305','EPSG','1122','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9310','DHDN to ETRS89 (10)','Replaces SeTa2009 from 2018-01-15. Derived using the 2016 implementation of ETRS89 / DREF91 and DHHN2016. Coincident with the transformation of cadastral data from DHDN to ETRS89 used by LVGL at a level of 1-2 mm.','EPSG','9615','NTv2','EPSG','4314','EPSG','4258',0.01,'EPSG','8656','Latitude and longitude difference file','SeTa2016.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'LVGL-Deu SL 2016',0);
 INSERT INTO "usage" VALUES('EPSG','13970','grid_transformation','EPSG','9310','EPSG','4584','EPSG','1055');
 INSERT INTO "grid_transformation" VALUES('EPSG','9312','NZVD2016 height to Auckland 1946 height (2)','Derived at 260 control points. Mean offset 0.292m, standard deviation 0.029m, maximum difference from mean 0.075m. Supersedes NZVD2016 height to Auckland 1946 height (1) (code 7860) after change of grid file format.','EPSG','1084','Vertical Offset by Grid Interpolation (gtx)','EPSG','7839','EPSG','5759',0.02,'EPSG','8732','Vertical offset file','auckht1946-nzvd2016.gtx',NULL,NULL,NULL,NULL,'EPSG','4167','LINZ-NZ AUCK gtx',0);
@@ -732,10 +734,10 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9323','NZVD2016 height to Taran
 INSERT INTO "usage" VALUES('EPSG','13952','grid_transformation','EPSG','9323','EPSG','3769','EPSG','1059');
 INSERT INTO "grid_transformation" VALUES('EPSG','9324','NZVD2016 height to Wellington 1953 height (2)','Derived at 137 control points. Mean offset 0.408m, standard deviation 0.054m, maximum difference from mean 0.112m. Supersedes NZVD2016 height to Wellington 1953 height (1) (code 7872) after change of grid file format.','EPSG','1084','Vertical Offset by Grid Interpolation (gtx)','EPSG','7839','EPSG','5770',0.02,'EPSG','8732','Vertical offset file','wellht1953-nzvd2016.gtx',NULL,NULL,NULL,NULL,'EPSG','4167','LINZ-NZ WGTN gtx',0);
 INSERT INTO "usage" VALUES('EPSG','13953','grid_transformation','EPSG','9324','EPSG','3773','EPSG','1059');
-INSERT INTO "grid_transformation" VALUES('EPSG','9325','NZGD2000 to NZVD2009 height (2)','Defines NZVD2009 vertical datum (datum code 1039, CRS code 4440). Supersedes NZGD2000 to NZVD2009 height (1) (code 4459) after change of grid file format.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4959','EPSG','4440',0.1,'EPSG','8666','Geoid (height correction) model file','nzgeoid2009.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'LINZ-NZ 2009 gtx',0);
-INSERT INTO "usage" VALUES('EPSG','13954','grid_transformation','EPSG','9325','EPSG','1175','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9326','NZGD2000 to NZVD2016 height (2)','Defines NZVD2016 vertical datum (datum code 1169, CRS code 7839). Supersedes NZGD2000 to NZVD2016 height (1) (code 7840) after change of grid file format.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4959','EPSG','7839',0.1,'EPSG','8666','Geoid (height correction) model file','nzgeoid2016.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'LINZ-NZ 2016 gtx',0);
-INSERT INTO "usage" VALUES('EPSG','13955','grid_transformation','EPSG','9326','EPSG','1175','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9325','NZGD2000 to NZVD2009 height (2)','Defines NZVD2009 vertical datum (datum code 1039, CRS code 4440). Supersedes NZGD2000 to NZVD2009 height (1) (code 4459) after change of grid file format. For reversible alternative to this CT see NZGD2000 to NZGD2000 + NZVD2009 height (2) (code 9627).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4959','EPSG','4440',0.1,'EPSG','8666','Geoid (height correction) model file','nzgeoid2009.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'LINZ-NZ 2009 gtx',0);
+INSERT INTO "usage" VALUES('EPSG','14379','grid_transformation','EPSG','9325','EPSG','1175','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9326','NZGD2000 to NZVD2016 height (2)','Defines NZVD2016 vertical datum (datum code 1169, CRS code 7839). Supersedes NZGD2000 to NZVD2016 height (1) (code 7840) after change of grid file format. For reversible alternative to this CT see NZGD2000 to NZGD2000 + NZVD2016 height (2) (code 9628).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4959','EPSG','7839',0.1,'EPSG','8666','Geoid (height correction) model file','nzgeoid2016.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'LINZ-NZ 2016 gtx',0);
+INSERT INTO "usage" VALUES('EPSG','14382','grid_transformation','EPSG','9326','EPSG','1175','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9327','NTF to RGF93 (1)','May be emulated using NTv2 method - see tfm code 15958.','EPSG','1087','Geocentric translation by Grid Interpolation (IGN)','EPSG','4275','EPSG','4171',1.0,'EPSG','8727','Geocentric translation file','gr3df97a.txt',NULL,NULL,NULL,NULL,'EPSG','4171','IGN-Fra 1m',0);
 INSERT INTO "usage" VALUES('EPSG','13956','grid_transformation','EPSG','9327','EPSG','3694','EPSG','1041');
 INSERT INTO "grid_transformation" VALUES('EPSG','9328','NEA74 Noumea to RGNC91-93 (3)','Developed in July 2002 and officially adopted in August 2005. May be emulated using NTv2 method - see RGNC91-93 to NEA74 Noumea (4) (code 1295).','EPSG','1087','Geocentric translation by Grid Interpolation (IGN)','EPSG','4644','EPSG','4749',0.05,'EPSG','8727','Geocentric translation file','gr3dnc03a.mnt',NULL,NULL,NULL,NULL,'EPSG','4749','BGN-Ncl 0.05m',0);
@@ -746,10 +748,10 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9330','IGN72 Grande Terre to RG
 INSERT INTO "usage" VALUES('EPSG','13959','grid_transformation','EPSG','9330','EPSG','2823','EPSG','1031');
 INSERT INTO "grid_transformation" VALUES('EPSG','9338','DHDN to ETRS89 (9)','Official transformation for the state of Baden-Württemberg. Used in ATKIS (Amtliches Topographisch-Kartographisches Informationssystem [Official Topographic and Cartographic Information System]).','EPSG','9615','NTv2','EPSG','4314','EPSG','4258',0.1,'EPSG','8656','Latitude and longitude difference file','BWTA2017.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'LGL-Deu BWTA2017',0);
 INSERT INTO "usage" VALUES('EPSG','13961','grid_transformation','EPSG','9338','EPSG','4580','EPSG','1055');
-INSERT INTO "grid_transformation" VALUES('EPSG','9352','RGNC91-93 to NGNC08 height (1)','Geoid model RANC08 realizes NGNC08 height (CRS code 9351) to a precision of 2-5cm.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4907','EPSG','9351',0.03,'EPSG','8666','Geoid (height correction) model file','Ranc08_Circe.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'BGN-Ncl RANC08',0);
-INSERT INTO "usage" VALUES('EPSG','13983','grid_transformation','EPSG','9352','EPSG','3430','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9355','KSA-GRF17 to KSA-VRF14 height (1)','Hybrid geoid, grid resolution 0.02° latitude x 0.025° longitude. Accuracy ~2 cm in the Eastern region and ~10-20 cm in the rest of KSA. Also available in IGN2009 format (method 1073). To access KSA-GEOID17 contact GCS by e-mail to info@gcs.gov.sa.','EPSG','1047','Geographic3D to GravityRelatedHeight (Gravsoft)','EPSG','9332','EPSG','9335',0.1,'EPSG','8666','Geoid (height correction) model file','KSA-GEOID17.gra',NULL,NULL,NULL,NULL,NULL,NULL,'GCS-Sau',0);
-INSERT INTO "usage" VALUES('EPSG','14013','grid_transformation','EPSG','9355','EPSG','3303','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9352','RGNC91-93 to NGNC08 height (1)','Geoid model RANC08 realizes NGNC08 height (CRS code 9351) to a precision of 2-5cm. For reversible alternative to this transformation see RGNC91-93 to RGNC91-93 + NGNC08 height (1) (code 9640).','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4907','EPSG','9351',0.03,'EPSG','8666','Geoid (height correction) model file','Ranc08_Circe.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'BGN-Ncl RANC08',0);
+INSERT INTO "usage" VALUES('EPSG','14497','grid_transformation','EPSG','9352','EPSG','3430','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9355','KSA-GRF17 to KSA-VRF14 height (1)','Hybrid geoid, grid resolution 0.02° lat x 0.025° lon. Accuracy ~2 cm in Eastern region and ~10-20 cm in rest of KSA. File also available in IGN2009 format. To access KSA-GEOID17 contact GCS at info@gcs.gov.sa. For reversible alternative see code 9620.','EPSG','1047','Geographic3D to GravityRelatedHeight (Gravsoft)','EPSG','9332','EPSG','9335',0.1,'EPSG','8666','Geoid (height correction) model file','KSA-GEOID17.gra',NULL,NULL,NULL,NULL,NULL,NULL,'GCS-Sau',0);
+INSERT INTO "usage" VALUES('EPSG','14338','grid_transformation','EPSG','9355','EPSG','3303','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9363','Ain el Abd to KSA-GRF17 (2)','Accuracy 5-10 cm.','EPSG','1087','Geocentric translation by Grid Interpolation (IGN)','EPSG','4204','EPSG','9333',0.1,'EPSG','8727','Geocentric translation file','ARAMCO_AAA-KSAGRF_6.tac',NULL,NULL,NULL,NULL,'EPSG','9333','GCS-Sau 0.1m',0);
 INSERT INTO "usage" VALUES('EPSG','14010','grid_transformation','EPSG','9363','EPSG','3303','EPSG','1027');
 INSERT INTO "grid_transformation" VALUES('EPSG','9365','ETRS89 to TPEN11-IRF (1)','In conjunction with the TPEN11-TM map projection (code 9366) applied to TPEN11-IRF (code 9364), emulates the TPEN11 Snake and TPEN11ext Snake projections. Applied to ETRS89 (as realized through the OSNet v2009 CORS) defines TPEN11-IRF hence is errorless.','EPSG','9615','NTv2','EPSG','4258','EPSG','9364',0.0,'EPSG','8656','Latitude and longitude difference file','TN15-ETRS89-to-TPEN11-IRF.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'NR-Gbr TPEN11 OSNet2009',0);
@@ -762,30 +764,30 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9408','ED50 to ETRS89 (16)','Re
 INSERT INTO "usage" VALUES('EPSG','14064','grid_transformation','EPSG','9408','EPSG','4605','EPSG','1026');
 INSERT INTO "grid_transformation" VALUES('EPSG','9409','ED50 to ETRS89 (17)','Replaces ED50 to ETRS89 (12) (code 15932).','EPSG','9615','NTv2','EPSG','4230','EPSG','4258',0.2,'EPSG','8656','Latitude and longitude difference file','BALR2009.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp v3 Bal',0);
 INSERT INTO "usage" VALUES('EPSG','14065','grid_transformation','EPSG','9409','EPSG','2335','EPSG','1026');
-INSERT INTO "grid_transformation" VALUES('EPSG','9410','ETRS89 to Alicante height (1)','','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','5782',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
-INSERT INTO "usage" VALUES('EPSG','14066','grid_transformation','EPSG','9410','EPSG','2366','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9411','ETRS89 to Mallorca height (1)','','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9392',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
-INSERT INTO "usage" VALUES('EPSG','14067','grid_transformation','EPSG','9411','EPSG','4602','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9412','ETRS89 to Menorca height (1)','','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9393',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
-INSERT INTO "usage" VALUES('EPSG','14068','grid_transformation','EPSG','9412','EPSG','4603','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9413','ETRS89 to Ibiza height (1)','','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9394',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
-INSERT INTO "usage" VALUES('EPSG','14069','grid_transformation','EPSG','9413','EPSG','4603','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9414','ETRS89 to Ceuta 2 height (1)','','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9402',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
-INSERT INTO "usage" VALUES('EPSG','14070','grid_transformation','EPSG','9414','EPSG','4590','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9415','REGCAN95 to Lanzarote height (1)','','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9395',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
-INSERT INTO "usage" VALUES('EPSG','14071','grid_transformation','EPSG','9415','EPSG','4591','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9416','REGCAN95 to Fuerteventura height (1)','','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9396',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
-INSERT INTO "usage" VALUES('EPSG','14072','grid_transformation','EPSG','9416','EPSG','4592','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9417','REGCAN95 to Gran Canaria height (1)','','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9397',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
-INSERT INTO "usage" VALUES('EPSG','14073','grid_transformation','EPSG','9417','EPSG','4593','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9410','ETRS89 to Alicante height (1)','For reversible alternative to this transformation see ETRS89 to ETRS89 + Alicante height (1) (code 9605).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','5782',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14272','grid_transformation','EPSG','9410','EPSG','2366','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9411','ETRS89 to Mallorca height (1)','For reversible alternative to this transformation see ETRS89 to ETRS89 + Mallorca height (1) (code 9608).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9392',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14282','grid_transformation','EPSG','9411','EPSG','4602','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9412','ETRS89 to Menorca height (1)','For reversible alternative to this transformation see ETRS89 to ETRS89 + Menorca height (1) (code 9609).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9393',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14285','grid_transformation','EPSG','9412','EPSG','4603','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9413','ETRS89 to Ibiza height (1)','For reversible alternative to this transformation see ETRS89 to ETRS89 + Ibiza (1) (code 9607).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9394',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14278','grid_transformation','EPSG','9413','EPSG','4604','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9414','ETRS89 to Ceuta 2 height (1)','For reversible alternative to this transformation see ETRS89 to ETRS89 + Ceuta 2 height (1) (code 9606).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9402',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14275','grid_transformation','EPSG','9414','EPSG','4590','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9415','REGCAN95 to Lanzarote height (1)','For reversible alternative to this transformation see REGCAN95 to REGCAN95 + Lanzarote height (1) (code 9615).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9395',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14307','grid_transformation','EPSG','9415','EPSG','4591','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9416','REGCAN95 to Fuerteventura height (1)','For reversible alternative to this transformation see REGCAN95 to REGCAN95 + Fuerteventura height (1) (code 9611).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9396',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14293','grid_transformation','EPSG','9416','EPSG','4592','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9417','REGCAN95 to Gran Canaria height (1)','For reversible alternative to this transformation see REGCAN95 to REGCAN95 + Gran Canaria height (1) (code 9612).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9397',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14298','grid_transformation','EPSG','9417','EPSG','4593','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9418','REGCAN95 to Tenerife height (1)','','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9398',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
 INSERT INTO "usage" VALUES('EPSG','14074','grid_transformation','EPSG','9418','EPSG','4594','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9419','REGCAN95 to La Gomera height (1)','','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9399',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
-INSERT INTO "usage" VALUES('EPSG','14075','grid_transformation','EPSG','9419','EPSG','4595','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9420','REGCAN95 to La Palma height (1)','','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9400',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
-INSERT INTO "usage" VALUES('EPSG','14076','grid_transformation','EPSG','9420','EPSG','4596','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9421','REGCAN95 to El Hierro height (1)','','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9401',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
-INSERT INTO "usage" VALUES('EPSG','14077','grid_transformation','EPSG','9421','EPSG','4597','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9419','REGCAN95 to La Gomera height (1)','For reversible alternative to this transformation see REGCAN95 to REGCAN95 + La Gomera height (1) (code 9613).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9399',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14301','grid_transformation','EPSG','9419','EPSG','4595','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9420','REGCAN95 to La Palma height (1)','For reversible alternative to this transformation see REGCAN95 to REGCAN95 + La Palma height (1) (code 9614).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9400',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14304','grid_transformation','EPSG','9420','EPSG','4596','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9421','REGCAN95 to El Hierro height (1)','For reversible alternative to this transformation see REGCAN95 to REGCAN + El Hierro height (1) (code 9610).','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9401',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14288','grid_transformation','EPSG','9421','EPSG','4597','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9431','GHA height to EVRF2019 height (1)','Determined at 147 points, SD 0.060m. Offset: mean -0.306m, minimum -0.442m, maximum -0.219m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','5778','EPSG','9389',0.12,'EPSG','8732','Vertical offset file','at_2019_z.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Aut 2019z',1);
 INSERT INTO "usage" VALUES('EPSG','14089','grid_transformation','EPSG','9431','EPSG','1037','EPSG','1059');
 INSERT INTO "grid_transformation" VALUES('EPSG','9432','GHA height to EVRF2019 mean-tide height (1)','Determined at 147 points, SD 0.058m. Offset: mean -0.330m, minimum -0.463m, maximum -0.245m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','5778','EPSG','9390',0.116,'EPSG','8732','Vertical offset file','at_2019_m.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Aut 2019m',1);
@@ -820,18 +822,18 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9454','ETRS89 to GBK19-IRF (1)'
 INSERT INTO "usage" VALUES('EPSG','14129','grid_transformation','EPSG','9454','EPSG','4607','EPSG','1141');
 INSERT INTO "grid_transformation" VALUES('EPSG','9461','GDA2020 to AVWS height (1)','AGQG is used to realise AVWS. Uncertainties (4-8 cm across mainland Australia) given in accompanying file AGQG_uncertainty_20191107.gsb. For reversible alternative to this transformation see GDA2020 to GDA2020 + AVWS height (1) (code 9465).','EPSG','1048','Geographic3D to GravityRelatedHeight (AUSGeoid v2)','EPSG','7843','EPSG','9458',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20191107.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus AGQG 20191107',1);
 INSERT INTO "usage" VALUES('EPSG','14141','grid_transformation','EPSG','9461','EPSG','4177','EPSG','1264');
-INSERT INTO "grid_transformation" VALUES('EPSG','9465','GDA2020 to GDA2020 + AVWS height (1)','Reversible alternative to GDA2020 to AVWS height (1) (code 9461). AGQG is used to realise AVWS. Uncertainties (4-8 cm across mainland Australia) given in accompanying file AGQG_uncertainty_20191107.gsb.','EPSG','1083','Geog3D to Geog2D+Vertical (AUSGeoid v2)','EPSG','7843','EPSG','9462',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20191107.gsb',NULL,NULL,NULL,NULL,'EPSG','7844','GA-Aus AGQG 20191107',1);
+INSERT INTO "grid_transformation" VALUES('EPSG','9465','GDA2020 to GDA2020 + AVWS height (1)','Reversible alternative to GDA2020 to AVWS height (1) (code 9461). AGQG is used to realise AVWS. Uncertainties (4-8 cm across mainland Australia) given in accompanying file AGQG_uncertainty_20191107.gsb.','EPSG','1083','Geog3D to Geog2D+GravityRelatedHeight (AUSGeoidv2)','EPSG','7843','EPSG','9462',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20191107.gsb',NULL,NULL,NULL,NULL,'EPSG','7844','GA-Aus AGQG 20191107',1);
 INSERT INTO "usage" VALUES('EPSG','14145','grid_transformation','EPSG','9465','EPSG','4177','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9466','GDA2020 to GDA2020 + AHD height (1)','Reversible alternative to GDA2020 to AHD height (1) (code 8451). Uncertainties given in accompanying file AUSGeoid2020_20180201_error.gsb','EPSG','1083','Geog3D to Geog2D+Vertical (AUSGeoid v2)','EPSG','7843','EPSG','9463',0.15,'EPSG','8666','Geoid (height correction) model file','AUSGeoid2020_20180201.gsb',NULL,NULL,NULL,NULL,'EPSG','7844','GA-Aus 2020',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9466','GDA2020 to GDA2020 + AHD height (1)','Reversible alternative to GDA2020 to AHD height (1) (code 8451). Uncertainties given in accompanying file AUSGeoid2020_20180201_error.gsb','EPSG','1083','Geog3D to Geog2D+GravityRelatedHeight (AUSGeoidv2)','EPSG','7843','EPSG','9463',0.15,'EPSG','8666','Geoid (height correction) model file','AUSGeoid2020_20180201.gsb',NULL,NULL,NULL,NULL,'EPSG','7844','GA-Aus 2020',0);
 INSERT INTO "usage" VALUES('EPSG','14146','grid_transformation','EPSG','9466','EPSG','4493','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9467','GDA94 to GDA94 + AHD height (1)','Reversible alternative to GDA94 to AHD height (1) (code 5656). Uses AUSGeoid09 model which uses bi-cubic interpolation; bi-linear interpolation of the grid file will give results agreeing to within 1cm 99.97% of the time.','EPSG','1083','Geog3D to Geog2D+Vertical (AUSGeoid v2)','EPSG','4939','EPSG','9464',0.15,'EPSG','8666','Geoid (height correction) model file','AUSGeoid09_V1.01.gsb',NULL,NULL,NULL,NULL,'EPSG','4283','GA-Aus09',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9467','GDA94 to GDA94 + AHD height (1)','Reversible alternative to GDA94 to AHD height (1) (code 5656). Uses AUSGeoid09 model which uses bi-cubic interpolation; bi-linear interpolation of the grid file will give results agreeing to within 1cm 99.97% of the time.','EPSG','1083','Geog3D to Geog2D+GravityRelatedHeight (AUSGeoidv2)','EPSG','4939','EPSG','9464',0.15,'EPSG','8666','Geoid (height correction) model file','AUSGeoid09_V1.01.gsb',NULL,NULL,NULL,NULL,'EPSG','4283','GA-Aus09',0);
 INSERT INTO "usage" VALUES('EPSG','14147','grid_transformation','EPSG','9467','EPSG','4493','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9483','Canada velocity grid v7','','EPSG','1070','Point motion by grid (Canada NTv2_Vel)','EPSG','8254','EPSG','8254',0.01,'EPSG','1050','Point motion velocity grid file','cvg70.cvb',NULL,NULL,NULL,NULL,NULL,NULL,'NRC-Can cvg7.0',0);
 INSERT INTO "usage" VALUES('EPSG','14214','grid_transformation','EPSG','9483','EPSG','1061','EPSG','1131');
-INSERT INTO "grid_transformation" VALUES('EPSG','9484','ETRS89 to NN54 height (1)','','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4937','EPSG','5776',0.02,'EPSG','8666','Geoid (height correction) model file','href2008a.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'SK-Nor 2008',0);
-INSERT INTO "usage" VALUES('EPSG','14215','grid_transformation','EPSG','9484','EPSG','1352','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','9485','ETRS89 to NN2000 height (1)','','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4937','EPSG','5941',0.02,'EPSG','8666','Geoid (height correction) model file','HREF2018B_NN2000_EUREF89.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'SK-Nor 2018',0);
-INSERT INTO "usage" VALUES('EPSG','14216','grid_transformation','EPSG','9485','EPSG','1352','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9484','ETRS89 to NN54 height (1)','For reversible alternative to this transformation see ETRS89 to ETRS89 + NN54 height (1) (code 9594).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4937','EPSG','5776',0.02,'EPSG','8666','Geoid (height correction) model file','href2008a.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'SK-Nor 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14374','grid_transformation','EPSG','9484','EPSG','1352','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9485','ETRS89 to NN2000 height (1)','For reversible alternative to this transformation see ETRS89 to ETRS89 + NN2000 height (1) (code 9593).','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4937','EPSG','5941',0.02,'EPSG','8666','Geoid (height correction) model file','HREF2018B_NN2000_EUREF89.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'SK-Nor 2018',0);
+INSERT INTO "usage" VALUES('EPSG','14376','grid_transformation','EPSG','9485','EPSG','1352','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','9496','MGI 1901 to SRB-ETRS89 (9)','','EPSG','9615','NTv2','EPSG','3906','EPSG','8685',0.03,'EPSG','8656','Latitude and longitude difference file','MGI1901_TO_SRBETRS89_NTv2.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'RGZ-Srb 0.1m 2020',0);
 INSERT INTO "usage" VALUES('EPSG','14226','grid_transformation','EPSG','9496','EPSG','4543','EPSG','1185');
 INSERT INTO "grid_transformation" VALUES('EPSG','9550','NAD83 to NAD83(CSRS)v6 (10)','File NLCSRSV4A.GSB corrects error in file header record previously released as NLCSRSV4.GSB. No change to gridded data.','EPSG','9615','NTv2','EPSG','4269','EPSG','8252',0.1,'EPSG','8656','Latitude and longitude difference file','NLCSRSV4A.GSB ',NULL,NULL,NULL,NULL,NULL,NULL,'CGS-Can Nfl island',0);
@@ -896,6 +898,102 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9582','NAP height to EVRF2019 m
 INSERT INTO "usage" VALUES('EPSG','14779','grid_transformation','EPSG','9582','EPSG','1275','EPSG','1059');
 INSERT INTO "grid_transformation" VALUES('EPSG','9583','Constanta height to EVRF2019 height (1)','Determined at 96 points, SD 0.006m. Offset: mean 0.050m, minimum 0.029m, maximum 0.063m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','5781','EPSG','9389',0.12,'EPSG','8732','Vertical offset file','ro_2019z.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Rou 2019z 2020-09',0);
 INSERT INTO "usage" VALUES('EPSG','14693','grid_transformation','EPSG','9583','EPSG','3295','EPSG','1059');
+INSERT INTO "grid_transformation" VALUES('EPSG','9584','ETRS89 to ETRS89 + Stornoway height (2)','Reversible alternative to ETRS89 to Stornoway height (2) (code 7715).','EPSG','1097','Geog3D to Geog2D+GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','9428',0.011,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,'EPSG','4258','OS-UK Heb 2015',0);
+INSERT INTO "usage" VALUES('EPSG','15098','grid_transformation','EPSG','9584','EPSG','2799','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9585','ETRS89 to ETRS89 + St. Marys height (2)','Reversible alternative to ETRS89 to St. Marys height (2) (code 7716).','EPSG','1097','Geog3D to Geog2D+GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','9430',0.01,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,'EPSG','4258','OS-UK Scilly 2015',0);
+INSERT INTO "usage" VALUES('EPSG','14518','grid_transformation','EPSG','9585','EPSG','2802','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9586','ETRS89 to ETRS89 + ODN Orkney height (2)','Reversible alternative to ETRS89 to ODN Orkney height (2) (code 7712).','EPSG','1097','Geog3D to Geog2D+GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','9426',0.017,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,'EPSG','4258','OS-UK Ork 2015',0);
+INSERT INTO "usage" VALUES('EPSG','14516','grid_transformation','EPSG','9586','EPSG','2793','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9587','ETRS89 to ETRS89 + ODN height (2)','Reversible alternative to ETRS89 to ODN height (2) (code 7711).','EPSG','1097','Geog3D to Geog2D+GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','9424',0.008,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,'EPSG','4258','OS-UK Gbr 2015',0);
+INSERT INTO "usage" VALUES('EPSG','15097','grid_transformation','EPSG','9587','EPSG','2792','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9588','ETRS89 to ETRS89 + ODN (Offshore) height (1)','Reversible alternative to ETRS89 to ODN (Offshore) height (1) (code 7713).','EPSG','1097','Geog3D to Geog2D+GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','9425',0.02,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,'EPSG','4258','OS-UK Off 2015',0);
+INSERT INTO "usage" VALUES('EPSG','14511','grid_transformation','EPSG','9588','EPSG','4391','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9589','ETRS89 to ETRS89 + Lerwick height (2)','Reversible alternative to ETRS89 to Lerwick height (2) (code 7714).','EPSG','1097','Geog3D to Geog2D+GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','9427',0.018,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,'EPSG','4258','OS -UK Shet 2015',0);
+INSERT INTO "usage" VALUES('EPSG','15083','grid_transformation','EPSG','9589','EPSG','2795','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9590','ETRS89 to ETRS89 + Douglas height (2)','Reversible alternative to ETRS89 to Douglas height (2) (code 7717).','EPSG','1097','Geog3D to Geog2D+GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','9429',0.03,'EPSG','8666','Geoid (height correction) model file','OSTN15_OSGM15_GB.txt',NULL,NULL,NULL,NULL,'EPSG','4258','OS-UK Man 2015',0);
+INSERT INTO "usage" VALUES('EPSG','15082','grid_transformation','EPSG','9590','EPSG','2803','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9591','ETRS89 to ETRS89 + Malin Head height (2)','Reversible alternative to ETRS89 to Malin Head height (2) (code 7959).','EPSG','1096','Geog3D to Geog2D+GravityRelatedHeight (OSGM15-Ire)','EPSG','4937','EPSG','9449',0.023,'EPSG','8666','Geoid (height correction) model file','OSGM15_Malin.gri',NULL,NULL,NULL,NULL,'EPSG','4258','OS-Ire 2015',0);
+INSERT INTO "usage" VALUES('EPSG','15081','grid_transformation','EPSG','9591','EPSG','1305','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9592','ETRS89 to ETRS89 + Belfast height (2)','Reversible alternative to ETRS89 to Belfast height (2) (code 7958).','EPSG','1096','Geog3D to Geog2D+GravityRelatedHeight (OSGM15-Ire)','EPSG','4937','EPSG','9450',0.014,'EPSG','8666','Geoid (height correction) model file','OSGM15_Belfast.gri',NULL,NULL,NULL,NULL,'EPSG','4258','OS-UK NI 2015',0);
+INSERT INTO "usage" VALUES('EPSG','14504','grid_transformation','EPSG','9592','EPSG','2530','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9598','GR96 to GR96 + GVR2000 height (1)','Reversible alternative to GR96 to GVR2000 height (1) (code 8268). File is also available in NOAA VDatum format (ggeoid2000.gtx) and GeoTIFF format (ggeoid2000.tif). ','EPSG','1093','Geog3D to Geog2D+GravityRelatedHeight (Gravsoft)','EPSG','4909','EPSG','8349',0.1,'EPSG','8666','Geoid (height correction) model file','gr2000g.gri',NULL,NULL,NULL,NULL,'EPSG','4747','SDFE-Grl',0);
+INSERT INTO "usage" VALUES('EPSG','15074','grid_transformation','EPSG','9598','EPSG','4461','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9599','GR96 to GR96 + GVR2016 height (1)','Reversible alternative to GR96 to GVR2016 height (1) (code 8269). File is also available in NOAA VDatum format (ggeoid2016.gtx) and GeoTIFF format (ggeoid2016.tif).','EPSG','1093','Geog3D to Geog2D+GravityRelatedHeight (Gravsoft)','EPSG','4909','EPSG','8350',0.1,'EPSG','8666','Geoid (height correction) model file','ggeoid16.gri',NULL,NULL,NULL,NULL,'EPSG','4747','SDFE-Grl',0);
+INSERT INTO "usage" VALUES('EPSG','15075','grid_transformation','EPSG','9599','EPSG','4454','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9600','ETRS89 to ETRS89 + EVRF2000 Austria height (1)','Reversible alternative to ETRS89 to EVRF2000 Austria height (1) (code 9276). Austrian Geoid 2008. Accuracy 5cm (1 sigma). The transformation is implemented in BEV-Transformator.','EPSG','1089','Geog3D to Geog2D+GravityRelatedHeight (BEV AT)','EPSG','4937','EPSG','9500',0.05,'EPSG','8666','Geoid (height correction) model file','GEOID_GRS80_Oesterreich.csv',NULL,NULL,NULL,NULL,'EPSG','4258','BEV-Aut',0);
+INSERT INTO "usage" VALUES('EPSG','14428','grid_transformation','EPSG','9600','EPSG','1037','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9601','MGI to MGI + EVRF2000 Austria height (1)','Reversible alternative to MGI to EVRF2000 Austria height (1) (code 9277). Austrian Geoid 2008 (Bessel ellipsoid). Accuracy 5cm (1 sigma). The transformation is implemented in BEV-Transformator.','EPSG','1089','Geog3D to Geog2D+GravityRelatedHeight (BEV AT)','EPSG','9267','EPSG','9501',0.05,'EPSG','8666','Geoid (height correction) model file','GEOID_BESSEL_Oesterreich.csv',NULL,NULL,NULL,NULL,'EPSG','4312','BEV-Aut',0);
+INSERT INTO "usage" VALUES('EPSG','14430','grid_transformation','EPSG','9601','EPSG','1037','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9602','CIGD11 to CIGD11 + CBVD61 height (ft) (1)','Reversible alternative to CIGD11 to CBVD61 height (ft) (1) (code 6140). Care: source CRS heights are in metres, transformation file parameter values and target CRS heights are in feet.','EPSG','1091','Geog3D to Geog2D+GravityRelatedHeight (CI)','EPSG','6134','EPSG','9502',0.03,'EPSG','8666','Geoid (height correction) model file','CBGM0811.TXT',NULL,NULL,NULL,NULL,'EPSG','6135','LSD-Cym',0);
+INSERT INTO "usage" VALUES('EPSG','15103','grid_transformation','EPSG','9602','EPSG','3207','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9603','CIGD11 to CIGD11 + GCVD54 height (ft) (1)','Reversible alternative to CIGD11 to GCVD54 height (ft) (1) (code 6138). Care: source CRS heights are in metres, transformation file parameter values and target CRS heights are in feet.','EPSG','1091','Geog3D to Geog2D+GravityRelatedHeight (CI)','EPSG','6134','EPSG','9503',0.03,'EPSG','8666','Geoid (height correction) model file','GCGM0811.TXT',NULL,NULL,NULL,NULL,'EPSG','6135','LSD-Cym',0);
+INSERT INTO "usage" VALUES('EPSG','15067','grid_transformation','EPSG','9603','EPSG','3185','EPSG','1026');
+INSERT INTO "grid_transformation" VALUES('EPSG','9604','CIGD11 to CIGD11 + LCVD61 height (ft) (1)','Reversible alternative to CIGD11 to LCVD61 height (ft) (1) (code 6139). Care: source CRS heights are in metres, transformation file parameter values and target CRS heights are in feet.','EPSG','1091','Geog3D to Geog2D+GravityRelatedHeight (CI)','EPSG','6134','EPSG','9504',0.03,'EPSG','8666','Geoid (height correction) model file','LCGM0811.TXT',NULL,NULL,NULL,NULL,'EPSG','6135','LSD-Cym',0);
+INSERT INTO "usage" VALUES('EPSG','15069','grid_transformation','EPSG','9604','EPSG','4121','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9605','ETRS89 to ETRS89 + Alicante height (1)','Reversible alternative to ETRS89 to Alicante height (1) (code 9410).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9505',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,'EPSG','4258','IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','15070','grid_transformation','EPSG','9605','EPSG','2366','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9606','ETRS89 to ETRS89 + Ceuta 2 height (1)','Reversible alternative to ETRS89 to Ceuta 2 height (1) (code 9414).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9506',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,'EPSG','4258','IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14438','grid_transformation','EPSG','9606','EPSG','4590','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9607','ETRS89 to ETRS89 + Ibiza height (1)','Reversible alternative to ETRS89 to Ibiza height (1) (code 9413).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9507',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,'EPSG','4258','IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14439','grid_transformation','EPSG','9607','EPSG','4604','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9608','ETRS89 to ETRS89 + Mallorca height (1)','Reversible alternative to ETRS89 to+ Mallorca height (1) (code 9411).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9508',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,'EPSG','4258','IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14281','grid_transformation','EPSG','9608','EPSG','4602','EPSG','1026');
+INSERT INTO "grid_transformation" VALUES('EPSG','9609','ETRS89 to ETRS89 + Menorca height (1)','Reversible alternative to ETRS89 to Menorca height (1) (code 9412).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4937','EPSG','9509',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.txt',NULL,NULL,NULL,NULL,'EPSG','4258','IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14441','grid_transformation','EPSG','9609','EPSG','4603','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9610','REGCAN95 to REGCAN95 + El Hierro height (1)','Reversible alternative to REGCAN95 to El Hierro height (1) (code 9421).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9401',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,'EPSG','4081','IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','15102','grid_transformation','EPSG','9610','EPSG','4597','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9611','REGCAN95 to REGCAN95 + Fuerteventura height (1)','Reversible alternative to REGCAN95 to Fuerteventura height (1) (code 9416).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9511',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,'EPSG','4081','IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14443','grid_transformation','EPSG','9611','EPSG','4592','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9612','REGCAN95 to REGCAN95 + Gran Canaria height (1)','Reversible alternative to REGCAN95 to Gran Canaria height (1) (code 9417).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9512',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,'EPSG','4081','IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','15071','grid_transformation','EPSG','9612','EPSG','4593','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9613','REGCAN95 to REGCAN95 + La Gomera height (1)','Reversible alternative to REGCAN95 to La Gomera height (1) (code 9419).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9399',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,'EPSG','4081','IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14445','grid_transformation','EPSG','9613','EPSG','4595','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9614','REGCAN95 to REGCAN95 + La Palma height (1)','Reversible alternative to REGCAN95 to La Palma height (1) (code 9420).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9514',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,'EPSG','4081','IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14446','grid_transformation','EPSG','9614','EPSG','4596','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9615','REGCAN95 to REGCAN95 + Lanzarote height (1)','Reversible alternative to REGCAN95 to Lanzarote height (1) (code 9415).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9515',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,'EPSG','4081','IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','15072','grid_transformation','EPSG','9615','EPSG','4591','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9616','REGCAN95 to REGCAN95 + Tenerife height (1)','Reversible alternative to REGCAN95 to Tenerife height (1) (code 9418).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4080','EPSG','9516',0.05,'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP_Canarias.txt',NULL,NULL,NULL,NULL,'EPSG','4081','IGN-Esp 2008',0);
+INSERT INTO "usage" VALUES('EPSG','14448','grid_transformation','EPSG','9616','EPSG','4594','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9617','SHGD2015 to SHGD2015 + SHVD2015 height (1)','Reversible alternative to SHGD2015 to SHVD2015 height (1) (code 7891).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','7885','EPSG','7956',0.0,'EPSG','8666','Geoid (height correction) model file','Und_min2.5x2.5_egm2008_isw=82_WGS84_TideFree.gz',NULL,NULL,NULL,NULL,'EPSG','7886','ENRD-Shn Hel',0);
+INSERT INTO "usage" VALUES('EPSG','14449','grid_transformation','EPSG','9617','EPSG','3183','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9618','WGS 84 to WGS 84 + EGM2008 height (2)','Reversible alternative to WGS 84 to EGM2008 height (2) (code 3859).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','9518',0.5,'EPSG','8666','Geoid (height correction) model file','Und_min1x1_egm2008_isw=82_WGS84_TideFree.gz',NULL,NULL,NULL,NULL,'EPSG','4326','NGA-World',0);
+INSERT INTO "usage" VALUES('EPSG','15073','grid_transformation','EPSG','9618','EPSG','1262','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9619','FEH2010 to FEH2010 + FCSVR10 height (1)','Reversible alternative to FEH2010 to FCSVR10 height (1) (code 5626).','EPSG','1093','Geog3D to Geog2D+GravityRelatedHeight (Gravsoft)','EPSG','5592','EPSG','5597',0.1,'EPSG','8666','Geoid (height correction) model file','fehmarn_geoid10.gri',NULL,NULL,NULL,NULL,'EPSG','5593','FEM-Dnk-Deu Feh',0);
+INSERT INTO "usage" VALUES('EPSG','14326','grid_transformation','EPSG','9619','EPSG','3890','EPSG','1139');
+INSERT INTO "grid_transformation" VALUES('EPSG','9620','KSA-GRF17 to KSA-GRF17 + KSA-VRF14 height (1)','Reversible alternative to KSA-GRF17 to KSA-VRF14 height (1) (code 9355). File also available in IGN2009 format. To access KSA-GEOID17 contact GCS by email to info@gcs.gov.sa. ','EPSG','1093','Geog3D to Geog2D+GravityRelatedHeight (Gravsoft)','EPSG','9332','EPSG','9520',0.1,'EPSG','8666','Geoid (height correction) model file','KSA-GEOID17.gra',NULL,NULL,NULL,NULL,'EPSG','9333','GCS-Sau',0);
+INSERT INTO "usage" VALUES('EPSG','14453','grid_transformation','EPSG','9620','EPSG','3303','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9621','POSGAR 2007 to POSGAR 2007 + SRVN16 height (1)','Reversible alternative to POSGAR 2007 to SRVN16 height (1) (code 9256). Uses geoid model Ar16. See information source for more information.','EPSG','1093','Geog3D to Geog2D+GravityRelatedHeight (Gravsoft)','EPSG','5342','EPSG','9521',0.05,'EPSG','8666','Geoid (height correction) model file','GEOIDE-Ar16.gri',NULL,NULL,NULL,NULL,'EPSG','5340','IGN-Arg',0);
+INSERT INTO "usage" VALUES('EPSG','15056','grid_transformation','EPSG','9621','EPSG','4573','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9630','RGFG95 to RGFG95 + NGG1977 height (1)','Reversible alternative to RGFG95 to NGG1977 height (1) (code 10011).','EPSG','1094','Geog3D to Geog2D+GravityRelatedHeight (IGN1997)','EPSG','4967','EPSG','9530',998.0,'EPSG','8666','Geoid (height correction) model file','ggguy00.txt',NULL,NULL,NULL,NULL,'EPSG','4624','IGN Guf',0);
+INSERT INTO "usage" VALUES('EPSG','14469','grid_transformation','EPSG','9630','EPSG','3146','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9631','RGAF09 to RGAF09 + Guadeloupe 1988 height (2)','Reversible alternative to RGAF09 to Guadeloupe 1988 height (2) (code 9133).','EPSG','1095','Geog3D to Geog2D+GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','9531',0.05,'EPSG','8666','Geoid (height correction) model file','RAGTBT2016.mnt',NULL,NULL,NULL,NULL,'EPSG','5489','IGN Glp GT 2016',0);
+INSERT INTO "usage" VALUES('EPSG','14470','grid_transformation','EPSG','9631','EPSG','2892','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9632','RGAF09 to RGAF09 + IGN 1988 LS height (2)','Reversible alternative to RGAF09 to IGN 1988 LS height (2) (code 9134).','EPSG','1095','Geog3D to Geog2D+GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','9532',0.1,'EPSG','8666','Geoid (height correction) model file','RALS2016.mnt',NULL,NULL,NULL,NULL,'EPSG','5489','IGN Glp LSt 2016',0);
+INSERT INTO "usage" VALUES('EPSG','14472','grid_transformation','EPSG','9632','EPSG','2895','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9633','RGAF09 to RGAF09 + IGN 1988 MG height (2)','Reversible alternative to RGAF09 to IGN 1988 MG height (2) (code 9135).','EPSG','1095','Geog3D to Geog2D+GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5617',0.1,'EPSG','8666','Geoid (height correction) model file','RAMG2016.mnt',NULL,NULL,NULL,NULL,'EPSG','5489','IGN Glp MG 2016',0);
+INSERT INTO "usage" VALUES('EPSG','15076','grid_transformation','EPSG','9633','EPSG','2894','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9634','RGAF09 to RGAF09 + IGN 1988 SB height (2)','Reversible alternative to RGAF09 to IGN 1988 SB height (2) (code 9187).','EPSG','1095','Geog3D to Geog2D+GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','9534',0.1,'EPSG','8666','Geoid (height correction) model file','gg10_sbv2.mnt',NULL,NULL,NULL,NULL,'EPSG','5489','IGN Glp StB',0);
+INSERT INTO "usage" VALUES('EPSG','15077','grid_transformation','EPSG','9634','EPSG','2891','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9635','RGAF09 to RGAF09 + IGN 1988 SM height (2)','Reversible alternative to RGAF09 to IGN 1988 SM height (2) (code 9188).','EPSG','1095','Geog3D to Geog2D+GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','9535',0.1,'EPSG','8666','Geoid (height correction) model file','gg10_smv2.mnt',NULL,NULL,NULL,NULL,'EPSG','5489','IGN Glp StM',0);
+INSERT INTO "usage" VALUES('EPSG','14482','grid_transformation','EPSG','9635','EPSG','2890','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9636','RGAF09 to IGN 2008 LD height (1)','Reversible alternative to RGAF09 to IGN 2008 LD height (1) (code 9131).','EPSG','1095','Geog3D to Geog2D+GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','9536',0.2,'EPSG','8666','Geoid (height correction) model file','RALD2016.mnt',NULL,NULL,NULL,NULL,'EPSG','5489','IGN-Glp Des',0);
+INSERT INTO "usage" VALUES('EPSG','14485','grid_transformation','EPSG','9636','EPSG','2893','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9637','RGAF09 to RGAF09 + Martinique 1987 height (2)','Reversible alternative to RGAF09 to Martinique 1987 height (2) (code 9136).','EPSG','1095','Geog3D to Geog2D+GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','9537',0.05,'EPSG','8666','Geoid (height correction) model file','RAMART2016.mnt',NULL,NULL,NULL,NULL,'EPSG','5489','IGN Mtq 2016',0);
+INSERT INTO "usage" VALUES('EPSG','14487','grid_transformation','EPSG','9637','EPSG','3276','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9638','RGF93 to RGF93 + NGF-IGN69 height (3)','Reversible alternative to RGF93 to NGF-IGN69 height (3) (code 8885).','EPSG','1095','Geog3D to Geog2D+GravityRelatedHeight (IGN2009)','EPSG','4965','EPSG','9538',0.01,'EPSG','8666','Geoid (height correction) model file','RAF18.tac',NULL,NULL,NULL,NULL,'EPSG','4171','IGN Fra 18',0);
+INSERT INTO "usage" VALUES('EPSG','15078','grid_transformation','EPSG','9638','EPSG','1326','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9639','RGF93 to RGF93 + NGF-IGN78 height (2)','Reversible alternative to RGF93 to NGF-IGN78 height (2) (code 8372).','EPSG','1095','Geog3D to Geog2D+GravityRelatedHeight (IGN2009)','EPSG','4965','EPSG','9539',0.05,'EPSG','8666','Geoid (height correction) model file','RAC09.mnt',NULL,NULL,NULL,NULL,'EPSG','4171','IGN Fra Cor 09',0);
+INSERT INTO "usage" VALUES('EPSG','15079','grid_transformation','EPSG','9639','EPSG','1327','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9640','RGNC91-93 to RGNC91-93 + NGNC08 height (1)','Reversible alternative to RGNC91-93 to NGNC08 height (1) (code 9352).','EPSG','1095','Geog3D to Geog2D+GravityRelatedHeight (IGN2009)','EPSG','4907','EPSG','9540',0.03,'EPSG','8666','Geoid (height correction) model file','Ranc08_Circe.mnt',NULL,NULL,NULL,NULL,'EPSG','4749','BGN-Ncl RANC08',0);
+INSERT INTO "usage" VALUES('EPSG','14496','grid_transformation','EPSG','9640','EPSG','3430','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9641','RGSPM06 to RGSPM06 + Danger 1950 height (2)','Reversible alternative to RGSPM06 to Danger 1950 height (2) (code 9228).','EPSG','1095','Geog3D to Geog2D+GravityRelatedHeight (IGN2009)','EPSG','4466','EPSG','9541',0.05,'EPSG','8666','Geoid (height correction) model file','RASPM2018.mnt',NULL,NULL,NULL,NULL,'EPSG','4463','IGN-SPM',0);
+INSERT INTO "usage" VALUES('EPSG','15080','grid_transformation','EPSG','9641','EPSG','3299','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9642','RRAF 1991 to RRAF 1991 + IGN 2008 LD height (1)','Reversible alternative to RRAF 1991 to IGN 2008 LD height (1) (code 9132).','EPSG','1095','Geog3D to Geog2D+GravityRelatedHeight (IGN2009)','EPSG','4557','EPSG','9542',0.2,'EPSG','8666','Geoid (height correction) model file','RALDW842016.mnt',NULL,NULL,NULL,NULL,'EPSG','4558','IGN Glp Des',0);
+INSERT INTO "usage" VALUES('EPSG','14502','grid_transformation','EPSG','9642','EPSG','2893','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9643','ITRF2005 to ITRF2005 + SA LLD height (1)','Reversible alternative to ITRF2005 to SA LLD height (1) (code 9280).','EPSG','1098','Geog3D to Geog2D+GravityRelatedHeight (SA 2010)','EPSG','7910','EPSG','9543',0.07,'EPSG','8666','Geoid (height correction) model file','SAGEOID2010.dat',NULL,NULL,NULL,NULL,'EPSG','8998','NGI-Zaf',0);
+INSERT INTO "usage" VALUES('EPSG','14523','grid_transformation','EPSG','9643','EPSG','3309','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9644','NAD83(CSRS)v6 to NAD83(CSRS)v6 + CGVD2013(CGG2013a) height (1)','Reversible alternative to NAD83(CSRS)v6 to CGVD2013(CGG2013a) height (1) (code 9247).','EPSG','1090','Geog3D to Geog2D+GravityRelatedHeight (CGG 2013)','EPSG','8251','EPSG','9544',0.03,'EPSG','8666','Geoid (height correction) model file','CGG2013n83a.byn',NULL,NULL,NULL,NULL,'EPSG','8252','NRC Can CGG2013a',0);
+INSERT INTO "usage" VALUES('EPSG','15099','grid_transformation','EPSG','9644','EPSG','1061','EPSG','1270');
 INSERT INTO "grid_transformation" VALUES('EPSG','9645','Constanta height to EVRF2019 mean-tide height (1)','Determined at 96 points, SD 0.010m. Offset: mean 0.015m, minimum -0.006m, maximum 0.040m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','5781','EPSG','9390',0.02,'EPSG','8732','Vertical offset file','ro_2019m.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Rou 2019m 2020-09',0);
 INSERT INTO "usage" VALUES('EPSG','14692','grid_transformation','EPSG','9645','EPSG','3295','EPSG','1059');
 INSERT INTO "grid_transformation" VALUES('EPSG','9646','Alicante height to EVRF2019 height (1)','Determined at 155 points, SD 0.041m. Offset: mean -0.427m, minimum -0.555m, maximum -0.355m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','5782','EPSG','9389',0.082,'EPSG','8732','Vertical offset file','es_2019z.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Esp 2019z 2020-09',0);
@@ -906,14 +1004,32 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9648','RH2000 height to EVRF201
 INSERT INTO "usage" VALUES('EPSG','14697','grid_transformation','EPSG','9648','EPSG','3313','EPSG','1059');
 INSERT INTO "grid_transformation" VALUES('EPSG','9649','RH2000 height to EVRF2019 mean-tide height (1)','Determined at 3356 points, SD 0.016m. Offset: mean 0.036m, minimum 0.003m, maximum 0.071m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','5613','EPSG','9390',0.032,'EPSG','8732','Vertical offset file','se_2019m.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Swe 2019m 2020-09',0);
 INSERT INTO "usage" VALUES('EPSG','14778','grid_transformation','EPSG','9649','EPSG','3313','EPSG','1059');
+INSERT INTO "grid_transformation" VALUES('EPSG','9664','EH2000 height to EVRF2019 height (1)','Determined at 367 points, SD 0.001m. Offset: mean 0.011m, minimum 0.008m, maximum 0.013m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','9663','EPSG','9389',0.002,'EPSG','8732','Vertical offset file','ee_2019z.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Est 2019z 2020-09',0);
+INSERT INTO "usage" VALUES('EPSG','14748','grid_transformation','EPSG','9664','EPSG','3246','EPSG','1059');
+INSERT INTO "grid_transformation" VALUES('EPSG','9665','EH2000 height to EVRF2019 mean-tide height (1)','Determined at 367 points, SD 0.002m. Offset: mean 0.041m, minimum 0.037m, maximum 0.045m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','9663','EPSG','9390',0.004,'EPSG','8732','Vertical offset file','ee_2019m.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Est 2019m 2020-09',0);
+INSERT INTO "usage" VALUES('EPSG','14757','grid_transformation','EPSG','9665','EPSG','3246','EPSG','1059');
+INSERT INTO "grid_transformation" VALUES('EPSG','9667','LAS07 height to EVRF2019 height (1)','Determined at 56 points, SD 0.005m. Offset: mean 0.009m, minimum 0.001m, maximum 0.018m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','9666','EPSG','9389',0.01,'EPSG','8732','Vertical offset file','lt_2019z.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Ltu 2019z 2020-09',0);
+INSERT INTO "usage" VALUES('EPSG','14755','grid_transformation','EPSG','9667','EPSG','3272','EPSG','1059');
+INSERT INTO "grid_transformation" VALUES('EPSG','9668','LAS07 height to EVRF2019 mean-tide height (1)','Determined at 56 points, SD 0.007m. Offset: mean 0.024m, minimum 0.010m, maximum 0.036m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','9666','EPSG','9390',0.014,'EPSG','8732','Vertical offset file','lt_2019m.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Ltu 2019m 2020-09',0);
+INSERT INTO "usage" VALUES('EPSG','14759','grid_transformation','EPSG','9668','EPSG','3272','EPSG','1059');
+INSERT INTO "grid_transformation" VALUES('EPSG','9670','BGS2005 height to EVRF2019 height (1)','Determined at 59 points, SD 0.018m. Offset: mean -0.002m, minimum -0.051m, maximum 0.034m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','9669','EPSG','9389',0.036,'EPSG','8732','Vertical offset file','bgneu_2019z.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Bgr 2019z 2020-09',0);
+INSERT INTO "usage" VALUES('EPSG','14799','grid_transformation','EPSG','9670','EPSG','3224','EPSG','1059');
+INSERT INTO "grid_transformation" VALUES('EPSG','9671','BGS2005 height to EVRF2019 mean-tide height (1)','Determined at 59 points, SD 0.016m. Offset: mean -0.050m, minimum -0.093m, maximum -0.019m.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','9669','EPSG','9390',0.032,'EPSG','8732','Vertical offset file','bgneu_2019m.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Bgr 2019m 2020-09',0);
+INSERT INTO "usage" VALUES('EPSG','14798','grid_transformation','EPSG','9671','EPSG','3224','EPSG','1059');
 INSERT INTO "grid_transformation" VALUES('EPSG','9689','GDA94 to WGS 84 (3)','Equivalent to concatenation of CT 8447 and null CT 8450 through GDA2020. See GDA94 to WGS 84 (2) (CT code 9688) for conformal-only alternative (i.e. without distortion modelling).','EPSG','9615','NTv2','EPSG','4283','EPSG','4326',3.0,'EPSG','8656','Latitude and longitude difference file','GDA94_GDA2020_conformal_and_distortion.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus Conf and Dist',0);
 INSERT INTO "usage" VALUES('EPSG','14965','grid_transformation','EPSG','9689','EPSG','2575','EPSG','1275');
 INSERT INTO "grid_transformation" VALUES('EPSG','9691','WGS 84 to GDA2020 (4)','Equivalent to concatenation of null CT 1150 and CT 8447 through GDA94. See WGS 84 to GDA94 (3) (CT code 9690) for conformal-only alternative (i.e. without distortion modelling).','EPSG','9615','NTv2','EPSG','4326','EPSG','7844',3.0,'EPSG','8656','Latitude and longitude difference file','GDA94_GDA2020_conformal_and_distortion.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus Conf and Dist',0);
 INSERT INTO "usage" VALUES('EPSG','14966','grid_transformation','EPSG','9691','EPSG','2575','EPSG','1159');
 INSERT INTO "grid_transformation" VALUES('EPSG','9692','GDA2020 to AVWS height (2)','AGQG is used to realise AVWS. Uncertainties (4-8 cm across mainland Australia) given in accompanying file AGQG_uncertainty_20201120.gsb. For reversible alternative to this transformation see GDA2020 to GDA2020 + AVWS height (2) (code 9693).','EPSG','1048','Geographic3D to GravityRelatedHeight (AUSGeoid v2)','EPSG','7843','EPSG','9458',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20201120.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus AGQG 20201120',0);
 INSERT INTO "usage" VALUES('EPSG','14924','grid_transformation','EPSG','9692','EPSG','4177','EPSG','1264');
-INSERT INTO "grid_transformation" VALUES('EPSG','9693','GDA2020 to GDA2020 + AVWS height (2)','Reversible alternative to GDA2020 to AVWS height (1) (code 9692). AGQG is used to realise AVWS. Uncertainties (4-8 cm across mainland Australia) given in accompanying file AGQG_uncertainty_20201120.gsb.','EPSG','1083','Geog3D to Geog2D+Vertical (AUSGeoid v2)','EPSG','7843','EPSG','9462',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20201120.gsb',NULL,NULL,NULL,NULL,'EPSG','7844','GA-Aus AGQG 20201120',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9693','GDA2020 to GDA2020 + AVWS height (2)','Reversible alternative to GDA2020 to AVWS height (1) (code 9692). AGQG is used to realise AVWS. Uncertainties (4-8 cm across mainland Australia) given in accompanying file AGQG_uncertainty_20201120.gsb.','EPSG','1083','Geog3D to Geog2D+GravityRelatedHeight (AUSGeoidv2)','EPSG','7843','EPSG','9462',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20201120.gsb',NULL,NULL,NULL,NULL,'EPSG','7844','GA-Aus AGQG 20201120',0);
 INSERT INTO "usage" VALUES('EPSG','14967','grid_transformation','EPSG','9693','EPSG','4177','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','9704','WGS 84 to WGS 84 + EGM2008 height (1)','Reversible alternative to WGS 84 to EGM2008 height (1) (code 3858).','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','9518',1.0,'EPSG','8666','Geoid (height correction) model file','Und_min2.5x2.5_egm2008_isw=82_WGS84_TideFree.gz',NULL,NULL,NULL,NULL,'EPSG','4326','NGA-World',0);
+INSERT INTO "usage" VALUES('EPSG','15096','grid_transformation','EPSG','9704','EPSG','1262','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9706','WGS 84 to WGS 84 + MSL height (1)','Reversible alternative to WGS 84 to MSL height (1) (code 8037). Parameter values are from WGS 84 to WGS 84 + EGM2008 height (2) (CT code 9618) assuming that the EGM2008 surface equals MSL surface within the accuracy of the transformation.','EPSG','1092','Geog3D to Geog2D+GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','9705',0.5,'EPSG','8666','Geoid (height correction) model file','Und_min1x1_egm2008_isw=82_WGS84_TideFree.gz',NULL,NULL,NULL,NULL,'EPSG','4326','IOGP-World',0);
+INSERT INTO "usage" VALUES('EPSG','15105','grid_transformation','EPSG','9706','EPSG','1262','EPSG','1270');
+INSERT INTO "grid_transformation" VALUES('EPSG','9708','WGS 84 to WGS 84 + EGM96 height (1)','Reversible alternative to WGS 84 to EGM96 height (1) (code 10084).','EPSG','1103','Geog3D to Geog2D+GravityRelatedHeight (EGM)','EPSG','4979','EPSG','9707',1.0,'EPSG','8666','Geoid (height correction) model file','WW15MGH.GRD',NULL,NULL,NULL,NULL,'EPSG','4326','NGA-World',0);
+INSERT INTO "usage" VALUES('EPSG','15101','grid_transformation','EPSG','9708','EPSG','1262','EPSG','1270');
 INSERT INTO "grid_transformation" VALUES('EPSG','10000','RGF93 to NGF-IGN69 height (1)','May be used for transformations from WGS 84 to NGF-IGN69 height. Accuracy at each 0.1 deg x 0.1 degree grid node is given within the geoid model file.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4965','EPSG','5720',0.5,'EPSG','8666','Geoid (height correction) model file','ggf97a.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra',0);
 INSERT INTO "usage" VALUES('EPSG','11001','grid_transformation','EPSG','10000','EPSG','1326','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','10001','ETRS89 to NGF-IGN69 height (1)','Parameter values taken from RGF93 to NGF-IGN69 height (1) (code 10000) assuming that RGF93 is equivalent to ETRS89 within the accuracy of the transformation. Accuracy at each 0.1 deg x 0.1 degree grid node is given within the geoid model file.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4937','EPSG','5720',0.5,'EPSG','8666','Geoid (height correction) model file','ggf97a.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra',0);
@@ -936,8 +1052,8 @@ INSERT INTO "grid_transformation" VALUES('EPSG','10009','RRAF 1991 to Guadeloupe
 INSERT INTO "usage" VALUES('EPSG','11010','grid_transformation','EPSG','10009','EPSG','2891','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','10010','RRAF 1991 to Guadeloupe 1988 height (6)','May be used for transformations from WGS 84 to IGN 1988. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4973','EPSG','5757',998.0,'EPSG','8666','Geoid (height correction) model file','ggg00_sm.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StM',1);
 INSERT INTO "usage" VALUES('EPSG','11011','grid_transformation','EPSG','10010','EPSG','2890','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','10011','RGFG95 to NGG1977 height (1)','May be used for transformations from WGS 84 to NGG1977. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4967','EPSG','5755',998.0,'EPSG','8666','Geoid (height correction) model file','ggguy00.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Guf',0);
-INSERT INTO "usage" VALUES('EPSG','11012','grid_transformation','EPSG','10011','EPSG','3146','EPSG','1133');
+INSERT INTO "grid_transformation" VALUES('EPSG','10011','RGFG95 to NGG1977 height (1)','May be used for transformations from WGS 84 to NGG1977. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file. For reversible alternative to this transformation see RGFG95 to RGFG95 + NGG1977 height (1) (code 9630).','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4967','EPSG','5755',998.0,'EPSG','8666','Geoid (height correction) model file','ggguy00.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Guf',0);
+INSERT INTO "usage" VALUES('EPSG','14422','grid_transformation','EPSG','10011','EPSG','3146','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','10012','RGR92 to Reunion 1989 height (1)','May be used for transformations from WGS 84 to IGN 1989. Accuracy at each 0.02 deg x 0.02 degree grid node is given within the geoid model file.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4971','EPSG','5758',0.1,'EPSG','8666','Geoid (height correction) model file','ggr99.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Reu',0);
 INSERT INTO "usage" VALUES('EPSG','11013','grid_transformation','EPSG','10012','EPSG','3337','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','10013','NAD83 to NAVD88 height (1)','Uses Geoid03 hybrid model. See information source for further information. Note: Source CRS is 2D, used in this application of the method as a pseudo-3D CRS.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4269','EPSG','5703',0.05,'EPSG','8666','Geoid (height correction) model file','g2003u01.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-US Conus NW',1);
@@ -1082,7 +1198,7 @@ INSERT INTO "grid_transformation" VALUES('EPSG','10082','GDA94 to AHD height (48
 INSERT INTO "usage" VALUES('EPSG','11083','grid_transformation','EPSG','10082','EPSG','2946','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','10083','GDA94 to AHD (Tasmania) height (1)','May be used for transformations from WGS 84 to AHD (Tasmania). Uses AusGeoid98 model.','EPSG','9662','Geographic3D to GravityRelatedHeight (AUSGeoid98)','EPSG','4939','EPSG','5712',0.4,'EPSG','8666','Geoid (height correction) model file','SK55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SK55',0);
 INSERT INTO "usage" VALUES('EPSG','11084','grid_transformation','EPSG','10083','EPSG','2947','EPSG','1133');
-INSERT INTO "grid_transformation" VALUES('EPSG','10084','WGS 84 to EGM96 height (1)','Replaces WGS 84 to EGM84 height (1) (tfm code 15781). Replaced by WGS 84 to EGM2008 height (1) and (2) (tfm codes 3858-59). An executable using spherical harmonics is also available.','EPSG','9661','Geographic3D to GravityRelatedHeight (EGM)','EPSG','4979','EPSG','5773',1.0,'EPSG','8666','Geoid (height correction) model file','WW15MGH.GRD',NULL,NULL,NULL,NULL,NULL,NULL,'NGA-World',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10084','WGS 84 to EGM96 height (1)','Replaces WGS 84 to EGM84 height (1) (CT 15781). Replaced by WGS 84 to EGM2008 height (1) and (2) (CTs 3858-59).  For reversible alternative see WGS 84 to WGS 84 + EGM96 height (1) (CT 9708). An executable using spherical harmonics is also available.','EPSG','9661','Geographic3D to GravityRelatedHeight (EGM)','EPSG','4979','EPSG','5773',1.0,'EPSG','8666','Geoid (height correction) model file','WW15MGH.GRD',NULL,NULL,NULL,NULL,NULL,NULL,'NGA-World',0);
 INSERT INTO "usage" VALUES('EPSG','11085','grid_transformation','EPSG','10084','EPSG','1262','EPSG','1133');
 INSERT INTO "grid_transformation" VALUES('EPSG','15486','CH1903 to CH1903+ (1)','For improved accuracy (0.01m) use CHENyx06 interpolation programme FINELTRA. File CHENyx06 replaced by CHENyx06a; there is a small area at the border of the data where some more real data has been introduced. swisstopo consider the change insignificant.','EPSG','9615','NTv2','EPSG','4149','EPSG','4150',0.2,'EPSG','8656','Latitude and longitude difference file','CHENyx06a.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'BfL-Che',0);
 INSERT INTO "usage" VALUES('EPSG','11497','grid_transformation','EPSG','15486','EPSG','1286','EPSG','1085');
-- 
cgit v1.2.3

