Database: update to EPSG 9.7.0

1 files changed, 15 insertions, 6 deletions

diff --git a/data/sql/grid_transformation.sql b/data/sql/grid_transformation.sql
index 0619a452..4f6d3b4b 100644
--- a/data/sql/grid_transformation.sql
+++ b/data/sql/grid_transformation.sql
@@ -149,15 +149,15 @@ INSERT INTO "grid_transformation" VALUES('EPSG','1848','NAD83 to NAD83(CSRS) (2)
 INSERT INTO "grid_transformation" VALUES('EPSG','1849','NAD83 to NAD83(CSRS) (3)','This gridded difference file AB_CSRS.DAC will need to be renamed to AB_CSRS.gsb to run in some software suites. Formats identical, but AB file is provincial fit only. Can be taken as an approximate transformation NAD83 to WGS 84 - see code 1702.','Accuracy 1-2 metres.','EPSG','9615','NTv2','EPSG','4269','EPSG','4617','EPSG','2376',1.5,'EPSG','8656','Latitude and longitude difference file','AB_CSRS.DAC',NULL,NULL,NULL,NULL,NULL,NULL,'AB Env-Can AB',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','1850','ATS77 to NAD83(CSRS) (3)','Can be taken as an approximate transformation ATS77 to WGS 84 - see code 1851.','Accuracy 1-2 metres.','EPSG','9615','NTv2','EPSG','4122','EPSG','4617','EPSG','2313',1.5,'EPSG','8656','Latitude and longitude difference file','NS778301.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'NSGC-Can NS',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','1851','ATS77 to WGS 84 (3)','Parameter file is from ATS77 to NAD83(CSRS) (3) (code 1850) assuming that NAD83(CSRS) is equivalent to WGS 84 within the accuracy of the transformation.','Approximation at the +/- 1m level.','EPSG','9615','NTv2','EPSG','4122','EPSG','4326','EPSG','2313',1.0,'EPSG','8656','Latitude and longitude difference file','NS778301.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'EPSG-Can NS',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','3858','WGS 84 to EGM2008 height (1)','Replaces WGS 84 to EGM96 height (1) (tfm code 15781). This tfm uses a grid with node spacing of 2.5 arc-minutes. For a smaller spacing (in principle more exact but requiring greater computing resources) see variant 2, tfm code 3859.','Derivation of gravity-related heights from GPS observations.','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','3855','EPSG','1262',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','3859','WGS 84 to EGM2008 height (2)','Replaces WGS 84 to EGM96 height (1) (tfm code 15781). This tfm uses a grid with node spacing of 1 arc-minute. For a larger grid spacing (in principle less exact but requiring less computing resources) see variant 1, tfm code 3858.','Derivation of gravity-related heights from GPS observations.','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','3855','EPSG','1262',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 "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.','Derivation of gravity-related heights from GPS observations.','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','3855','EPSG','1262',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','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.','Derivation of gravity-related heights from GPS observations.','EPSG','1025','Geographic3D to GravityRelatedHeight (EGM2008)','EPSG','4979','EPSG','3855','EPSG','1262',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 "grid_transformation" VALUES('EPSG','4459','NZGD2000 to NZVD2009 height (1)','Defines NZVD2009 vertical datum (datum code 1039, CRS code 4440).','Derivation of gravity-related heights from GPS observations.','EPSG','1030','Geographic3D to GravityRelatedHeight (NZgeoid)','EPSG','4959','EPSG','4440','EPSG','1175',0.1,'EPSG','8666','Geoid (height correction) model file','nzgeoid09.sid',NULL,NULL,NULL,NULL,NULL,NULL,'LINZ-NZ 2009',0);
 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.','Derivation of gravity-related heights from GPS observations.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4557','EPSG','5756','EPSG','3276',998.0,'EPSG','8666','Geoid (height correction) model file','ggm00.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Mtq',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','4562','RRAF 1991 to Guadeloupe 1988 height (1)','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.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore areas.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4557','EPSG','5757','EPSG','2892',0.2,'EPSG','8666','Geoid (height correction) model file','ggg00.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp GT',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','4563','RRAF 1991 to IGN 1988 MG height (1)','May be used for transformations from WGS 84 to IGN 1988 MG. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4557','EPSG','5617','EPSG','2894',0.2,'EPSG','8666','Geoid (height correction) model file','ggg00_mg.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp MG',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','4564','RRAF 1991 to IGN 1988 SM height (1)','May be used for transformations from WGS 84 to IGN 1988 SM. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4557','EPSG','5620','EPSG','2890',0.2,'EPSG','8666','Geoid (height correction) model file','ggg00_sm.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StM',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','4565','RRAF 1991 to IGN 1988 LS height (1)','May be used for transformations from WGS 84 to IGN 1988 LS. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4557','EPSG','5616','EPSG','2895',0.2,'EPSG','8666','Geoid (height correction) model file','ggg00_ls.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp LSt',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','4566','RRAF 1991 to IGN 1992 LD height (1)','May be used for transformations from WGS 84 to IGN 1992 LD. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.5m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4557','EPSG','5618','EPSG','2893',0.5,'EPSG','8666','Geoid (height correction) model file','ggg00_ld.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp Des',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','4566','RRAF 1991 to IGN 1992 LD height (1)','Accuracy 0.5m. Replaced by RRAF 1991 to IGN 2008 LD height (1) (CT code 9132).','Derivation of gravity-related heights from GPS observations.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4557','EPSG','5618','EPSG','2893',0.5,'EPSG','8666','Geoid (height correction) model file','ggg00_ld.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp Des',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','4567','RRAF 1991 to IGN 1988 SB height (1)','May be used for transformations from WGS 84 to IGN 1988 SB. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4557','EPSG','5619','EPSG','2891',0.2,'EPSG','8666','Geoid (height correction) model file','ggg00_sb.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StB',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','5334','ETRS89 to Belfast height (1)','May be used for transformations from WGS 84 to Belfast. Replaced by ETRS89 to Belfast height (2) (code 7958).','Derivation of gravity-related heights from GPS observations.','EPSG','1045','Geographic3D to GravityRelatedHeight (OSGM02-Ire)','EPSG','4937','EPSG','5732','EPSG','2530',0.03,'EPSG','8666','Geoid (height correction) model file','OSGM02_NI.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK NI',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','5335','ETRS89 to Malin Head height (1)','May be used for transformations from WGS 84 to Malin Head. Replaced by ETRS89 to Malin Head height (2) (code 7959).','Derivation of gravity-related heights from GPS observations.','EPSG','1045','Geographic3D to GravityRelatedHeight (OSGM02-Ire)','EPSG','4937','EPSG','5731','EPSG','1305',0.04,'EPSG','8666','Geoid (height correction) model file','OSGM02_RoI.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-Ire',0);
@@ -171,7 +171,7 @@ INSERT INTO "grid_transformation" VALUES('EPSG','5503','RGAF09 to Guadeloupe 198
 INSERT INTO "grid_transformation" VALUES('EPSG','5504','RGAF09 to IGN 1988 MG height (1)','Replaces tfm from RRAF 1991, code 4563. May be used for transformations from WGS 84 to IGN 1988 MG. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','5488','EPSG','5617','EPSG','2894',0.2,'EPSG','8666','Geoid (height correction) model file','gg10_mg.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp MG',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','5505','RGAF09 to IGN 1988 SM height (1)','Replaces tfm from RRAF 1991, code 4564. May be used for transformations from WGS 84 to IGN 1988 SM. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','5488','EPSG','5620','EPSG','2890',0.2,'EPSG','8666','Geoid (height correction) model file','gg10_sm.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StM',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','5506','RGAF09 to IGN 1988 LS height (1)','Replaces tfm from RRAF 1991, code 4565. May be used for transformations from WGS 84 to IGN 1988 LS. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','5488','EPSG','5616','EPSG','2895',0.2,'EPSG','8666','Geoid (height correction) model file','gg10_ls.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp LSt',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','5507','RGAF09 to IGN 1992 LD height (1)','Replaces tfm from RRAF 1991, code 4566. May be used for transformations from WGS 84 to IGN 1992 LD. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.5m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','5488','EPSG','5618','EPSG','2893',0.5,'EPSG','8666','Geoid (height correction) model file','gg10_ld.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp Des',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','5507','RGAF09 to IGN 1992 LD height (1)','Replaces tfm from RRAF 1991, code 4566. Replaced by RGAF09 to IGN 2008 LD height (1), CT code 9131. May be used for transformations from WGS 84 to IGN 1992 LD. Accuracy at each 0.025° grid node is given within the geoid model file, approx. average 0.5m.','Derivation of gravity-related heights from GPS observations.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','5488','EPSG','5618','EPSG','2893',0.5,'EPSG','8666','Geoid (height correction) model file','gg10_ld.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp Des',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','5508','RGAF09 to IGN 1988 SB height (1)','Replaces tfm from RRAF 1991, code 4567. May be used for transformations from WGS 84 to IGN 1988 SB. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','5488','EPSG','5619','EPSG','2891',0.2,'EPSG','8666','Geoid (height correction) model file','gg10_sb.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StB',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','5525','Corrego Alegre 1961 to SIRGAS 2000 (1)','May be used as transformation between Corrego Alegre 1961 and WGS 84 - see tfm code 5540.','Accuracy 2m.','EPSG','9615','NTv2','EPSG','5524','EPSG','4674','EPSG','3874',2.0,'EPSG','8656','Latitude and longitude difference file','CA61_003.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'IBGE-Bra',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','5526','Corrego Alegre 1970-72 to SIRGAS 2000 (1)','May be used as transformation between Corrego Alegre 1970-72 and WGS 84 - see tfm code 5541.','Accuracy 2m.','EPSG','9615','NTv2','EPSG','4225','EPSG','4674','EPSG','1293',2.0,'EPSG','8656','Latitude and longitude difference file','CA7072_003.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'IBGE-Bra',0);
@@ -263,6 +263,15 @@ INSERT INTO "grid_transformation" VALUES('EPSG','8447','GDA94 to GDA2020 (2)','S
 INSERT INTO "grid_transformation" VALUES('EPSG','8451','GDA2020 to AHD height (1)','Uncertainties given in accompanying file AUSGeoid2020_windows_binary_uncertainty.gsb','Derivation of gravity-related heights from GNSS observations.','EPSG','1048','Geographic3D to GravityRelatedHeight (Ausgeoid v2)','EPSG','7843','EPSG','5711','EPSG','4493',0.03,'EPSG','8666','Geoid (height correction) model file','AUSGeoid2020_windows_binary.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus 2020',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','8676','Canada velocity grid v6','','Change of coordinate epoch for points referenced to NAD83(CSRS)v6.','EPSG','1070','Point motion by grid (Canada NTv2_Vel)','EPSG','8251','EPSG','8251','EPSG','1061',0.01,'EPSG','1050','Point motion velocity grid file','cvg60.cvb',NULL,NULL,NULL,NULL,NULL,NULL,'NRC-Can cvg6.0',0);
 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.','Derivation of gravity-related heights from GPS observations.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4965','EPSG','5720','EPSG','1326',0.01,'EPSG','8666','Geoid (height correction) model file','RAF18.tac',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra 18',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.','Derivation of gravity-related heights from GPS observations.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','9130','EPSG','2893',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','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.','Derivation of gravity-related heights from GPS observations.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4557','EPSG','9130','EPSG','2893',0.2,'EPSG','8666','Geoid (height correction) model file','RALDW842016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp Des',0);
+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.','Derivation of gravity-related heights from GPS observations.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5757','EPSG','2892',0.05,'EPSG','8666','Geoid (height correction) model file','RAGTBT2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp GT 2016',0);
+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.','Derivation of gravity-related heights from GPS observations.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5616','EPSG','2895',0.1,'EPSG','8666','Geoid (height correction) model file','RALS2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp LSt 2016',0);
+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.','Derivation of gravity-related heights from GPS observations.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5617','EPSG','2894',0.1,'EPSG','8666','Geoid (height correction) model file','RAMG2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp MG 2016',0);
+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.','Derivation of gravity-related heights from GPS observations.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5756','EPSG','3276',0.05,'EPSG','8666','Geoid (height correction) model file','RAMART2016.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Mtq 2016',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9137','RGSPM06 to Danger 1950 height (1)','Accuracy 0.10m to 0.20m within onshore area.','Derivation of gravity-related heights from GPS observations.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4466','EPSG','5792','EPSG','1220',0.2,'EPSG','8666','Geoid (height correction) model file','GGSPM06v1.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.','Derivation of gravity-related heights from GPS observations.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5619','EPSG','2891',0.1,'EPSG','8666','Geoid (height correction) model file','gg10_sbv2.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StB',0);
+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.','Derivation of gravity-related heights from GPS observations.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','5488','EPSG','5620','EPSG','2890',0.1,'EPSG','8666','Geoid (height correction) model file','gg10_smv2.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StM',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','10000','RGF93 to NGF IGN69 height (1)','May be used for transformations from WGS 84 to NGF IGN69. Accuracy at each 0.1 deg x 0.1 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4965','EPSG','5720','EPSG','1326',0.5,'EPSG','8666','Geoid (height correction) model file','ggf97a.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','10001','ETRS89 to NGF IGN69 height (1)','Parameter values taken from RGF93 to NGF IGN69 (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.','Derivation of gravity-related heights from GPS observations.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4937','EPSG','5720','EPSG','1326',0.5,'EPSG','8666','Geoid (height correction) model file','ggf97a.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','10002','RGF93 to IGN78 Corsica height (1)','May be used for transformations from WGS 84 to IGN78 Corsica. Accuracy at each 0.1 deg x 0.1 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4965','EPSG','5721','EPSG','1327',0.5,'EPSG','8666','Geoid (height correction) model file','ggf97a_corse.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Fra Cor',0);
@@ -347,14 +356,14 @@ INSERT INTO "grid_transformation" VALUES('EPSG','10080','GDA94 to AHD height (46
 INSERT INTO "grid_transformation" VALUES('EPSG','10081','GDA94 to AHD height (47)','May be used for transformations from WGS 84 to AHD. Uses AusGeoid98 model.','Derivation of gravity-related heights from GPS observations.','EPSG','9662','Geographic3D to GravityRelatedHeight (Ausgeoid98)','EPSG','4939','EPSG','5711','EPSG','2945',0.4,'EPSG','8666','Geoid (height correction) model file','SJ55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SJ55',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','10082','GDA94 to AHD height (48)','May be used for transformations from WGS 84 to AHD. Uses AusGeoid98 model.','Derivation of gravity-related heights from GPS observations.','EPSG','9662','Geographic3D to GravityRelatedHeight (Ausgeoid98)','EPSG','4939','EPSG','5711','EPSG','2946',0.4,'EPSG','8666','Geoid (height correction) model file','SJ56_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SJ56',0);
 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.','Derivation of gravity-related heights from GPS observations.','EPSG','9662','Geographic3D to GravityRelatedHeight (Ausgeoid98)','EPSG','4939','EPSG','5712','EPSG','2947',0.4,'EPSG','8666','Geoid (height correction) model file','SK55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SK55',0);
-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).','Derivation of gravity-related heights from GPS observations.','EPSG','9661','Geographic3D to GravityRelatedHeight (EGM)','EPSG','4979','EPSG','5773','EPSG','1262',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) (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.','Derivation of gravity-related heights from GPS observations.','EPSG','9661','Geographic3D to GravityRelatedHeight (EGM)','EPSG','4979','EPSG','5773','EPSG','1262',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','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.','Approximation using NTv2 method of results of FINELTRA programme to an accuracy of 0.01m except at boundary of the Geneva and Vaud cantons, in city of Geneva and in the main valleys of Valais canton where differences are up to 20 cm.','EPSG','9615','NTv2','EPSG','4149','EPSG','4150','EPSG','1286',0.2,'EPSG','8656','Latitude and longitude difference file','CHENyx06a.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'BfL-Che',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','15488','RRAF 1991 to IGN 1988 MG height (1)','May be used for transformations from WGS 84 to IGN 1988 MG. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4973','EPSG','5617','EPSG','2894',0.2,'EPSG','8666','Geoid (height correction) model file','ggg00_mg.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp MG',1);
 INSERT INTO "grid_transformation" VALUES('EPSG','15489','RRAF 1991 to IGN 1988 LS height (1)','May be used for transformations from WGS 84 to IGN 1988 LS. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4973','EPSG','5616','EPSG','2895',0.2,'EPSG','8666','Geoid (height correction) model file','ggg00_ls.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp LSt',1);
 INSERT INTO "grid_transformation" VALUES('EPSG','15490','RRAF 1991 to IGN 1992 LD height (1)','May be used for transformations from WGS 84 to IGN 1992 LD. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.5m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4973','EPSG','5618','EPSG','2893',0.5,'EPSG','8666','Geoid (height correction) model file','ggg00_ld.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp Des',1);
 INSERT INTO "grid_transformation" VALUES('EPSG','15491','RRAF 1991 to IGN 1988 SB height (1)','May be used for transformations from WGS 84 to IGN 1988 SB. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4973','EPSG','5619','EPSG','2891',0.2,'EPSG','8666','Geoid (height correction) model file','ggg00_sb.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StB',1);
 INSERT INTO "grid_transformation" VALUES('EPSG','15492','RRAF 1991 to IGN 1988 SM height (1)','May be used for transformations from WGS 84 to IGN 1988 SM. Accuracy at each 0.025 deg x 0.025 degree grid node is given within the geoid model file.','Derivation of gravity-related heights from GPS observations. Accuracy 0.2m within onshore area.','EPSG','9664','Geographic3D to GravityRelatedHeight (IGN1997)','EPSG','4973','EPSG','5620','EPSG','2890',0.2,'EPSG','8666','Geoid (height correction) model file','ggg00_sm.txt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN Glp StM',1);
-INSERT INTO "grid_transformation" VALUES('EPSG','15781','WGS 84 to EGM84 height (1)','Replaced by WGS 84 to EGM96 height (1) (tfm code 10084).','Derivation of gravity-related heights from GPS observations.','EPSG','9661','Geographic3D to GravityRelatedHeight (EGM)','EPSG','4979','EPSG','5798','EPSG','1262',1.0,'EPSG','8666','Geoid (height correction) model file','DIRACC.DMA',NULL,NULL,NULL,NULL,NULL,NULL,'NGA-World',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','15781','WGS 84 to EGM84 height (1)','File may also be found named as "EGM84.GRD". An executable using spherical harmonics is also available. Replaced by WGS 84 to EGM96 height (1) (CT code 10084).','Derivation of gravity-related heights from GPS observations.','EPSG','9661','Geographic3D to GravityRelatedHeight (EGM)','EPSG','4979','EPSG','5798','EPSG','1262',1.0,'EPSG','8666','Geoid (height correction) model file','DIRACC.DAT',NULL,NULL,NULL,NULL,NULL,NULL,'NGA-World',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','15785','AGD84 to WGS 84 (9)','Transformation taken from AGD84 to GDA94 (5) (code 1804) assuming that GDA94 is equivalent to WGS 84 within the accuracy of this tfm. Uses NTv2 method which expects longitudes positive west; EPSG CRS codes 4203 and 4326 have longitudes positive east.','1m accuracy.','EPSG','9615','NTv2','EPSG','4203','EPSG','4326','EPSG','2576',1.0,'EPSG','8656','Latitude and longitude difference file','National 84 (02.07.01).gsb',NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Aus 1m',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','15786','AGD66 to WGS 84 (17)','Transformation taken from AGD66 to GDA94 (11) (code 1803) assuming that GDA94 is equivalent to WGS 84 within the accuracy of this tfm. Uses NTv2 method which expects longitudes positive west; EPSG CRS codes 4202 and 4326 have longitudes positive east.','1m accuracy.','EPSG','9615','NTv2','EPSG','4202','EPSG','4326','EPSG','2575',1.0,'EPSG','8656','Latitude and longitude difference file','A66 National (13.09.01).gsb',NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Aus 0.1m',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','15834','NAD83 to NAD83(HARN) (44)','Uses NADCON method which expects longitudes positive west; EPSG GeogCRSs NAD83 (code 4269) and NAD83(HARN) (code 4152) have longitudes positive east.  May be taken as approximate transformation NAD83-WGS 84 - see code 15835.','Geodetic survey. Accuracy 0.05m at 67% confidence level.','EPSG','9613','NADCON','EPSG','4269','EPSG','4152','EPSG','1402',0.05,'EPSG','8657','Latitude difference file','nchpgn.las','EPSG','8658','Longitude difference file','nchpgn.los',NULL,NULL,'NGS-Usa NC',0);