From b69aa99cab3fd8c6d99e7429901fecd68cf7cd9d Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Wed, 9 Sep 2020 22:28:41 +0200
Subject: Database: update to EPSG 9.9

---
 data/sql/grid_transformation.sql | 114 ++++++++++++++++++++-------------------
 1 file changed, 60 insertions(+), 54 deletions(-)

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

diff --git a/data/sql/grid_transformation.sql b/data/sql/grid_transformation.sql
index 19f8417f..47b0ff80 100644
--- a/data/sql/grid_transformation.sql
+++ b/data/sql/grid_transformation.sql
@@ -183,8 +183,8 @@ INSERT INTO "grid_transformation" VALUES('EPSG','5542','SAD69 to WGS 84 (15)','P
 INSERT INTO "grid_transformation" VALUES('EPSG','5543','SAD69(96) to WGS 84 (1)','Parameters from SAD69(96) to SIRGAS 2000 (1) (tfm code 5529) assuming that SIRGAS 2000 and WGS 84 are equal within the accuracy of the transformation.','Accuracy 1m. Should be used for post-1996 data based on the classical geodetic network.','EPSG','9615','NTv2','EPSG','5527','EPSG','4326','EPSG','3887',1.0,'EPSG','8656','Latitude and longitude difference file','SAD96_003.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'OGP-Bra',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','5594','FEH2010 to FCSVR10 height (1)','','Derivation of gravity-related heights from GPS observations.','EPSG','1030','Geographic3D to GravityRelatedHeight (NZgeoid)','EPSG','5592','EPSG','5597','EPSG','3890',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 "grid_transformation" VALUES('EPSG','5626','FEH2010 to FCSVR10 height (1)','','Derivation of gravity-related heights from GPS observations.','EPSG','1047','Geographic3D to GravityRelatedHeight (Gravsoft)','EPSG','5592','EPSG','5597','EPSG','3890',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 "grid_transformation" VALUES('EPSG','5656','GDA94 to AHD height (49)','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.','Derivation of gravity-related heights from GPS observations.','EPSG','1048','Geographic3D to GravityRelatedHeight (Ausgeoid v2)','EPSG','4939','EPSG','5711','EPSG','1281',0.03,'EPSG','8666','Geoid (height correction) model file','AUSGeoid09_GDA94_V1.01_DOV_windows.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus09 mainland',0);
-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).','Derivation of gravity-related heights from GPS observations.','EPSG','1048','Geographic3D to GravityRelatedHeight (Ausgeoid v2)','EPSG','4939','EPSG','5712','EPSG','2947',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);
+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.','Derivation of gravity-related heights from GPS observations.','EPSG','1048','Geographic3D to GravityRelatedHeight (AUSGeoid v2)','EPSG','4939','EPSG','5711','EPSG','1281',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 "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).','Derivation of gravity-related heights from GPS observations.','EPSG','1048','Geographic3D to GravityRelatedHeight (AUSGeoid v2)','EPSG','4939','EPSG','5712','EPSG','2947',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);
 INSERT INTO "grid_transformation" VALUES('EPSG','5661','ED50 to ETRS89 (14)','When included in concatenation from and to projected CRSs, gives same results as ED50 / UTM zone 31N to ETRS89 / UTM zone 31N (1) - see CRS code 5166.','For applications to an accuracy of 0.05 m (map scales not larger than 1:1000).','EPSG','9615','NTv2','EPSG','4230','EPSG','4258','EPSG','3732',0.05,'EPSG','8656','Latitude and longitude difference file','100800401.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'ICC-Esp Cat',0);
 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.','For applications to an accuracy of 1 decimetre: GIS, topographic mapping, engineering survey. (See remarks for cadastral survey).','EPSG','9615','NTv2','EPSG','4312','EPSG','4258','EPSG','1037',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 "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.','Derivation of gravity-related heights from GPS observations.','EPSG','1050','Geographic3D to GravityRelatedHeight (CI)','EPSG','6134','EPSG','6130','EPSG','3185',0.03,'EPSG','8666','Geoid (height correction) model file','GCGM0811.TXT',NULL,NULL,NULL,NULL,NULL,NULL,'LSD-Cym',0);
@@ -260,7 +260,7 @@ INSERT INTO "grid_transformation" VALUES('EPSG','8444','GDA94 to GDA2020 (4)','S
 INSERT INTO "grid_transformation" VALUES('EPSG','8445','GDA94 to GDA2020 (5)','See GDA94 to GDA2020 (1) (code 8048) for transformation using Helmert method which gives identical results.','Spatial referencing.','EPSG','9615','NTv2','EPSG','4283','EPSG','7844','EPSG','1069',0.05,'EPSG','8656','Latitude and longitude difference file','GDA94_GDA2020_conformal_cocos_island.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Cck Conf',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','8446','GDA94 to GDA2020 (3)','Gives identical results to Helmert transformation GDA94 to GDA2020 (1) (code 8048). See GDA94 to GDA2020 (2) (code 8447) for alternative with local distortion modelling included. GDA2020 Technical Manual and fact sheet T1 give guidance on which to use.','Conformal transformation of GDA94 coordinates that have been derived through GNSS CORS.','EPSG','9615','NTv2','EPSG','4283','EPSG','7844','EPSG','2575',0.05,'EPSG','8656','Latitude and longitude difference file','GDA94_GDA2020_conformal.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus NTv2 Conf',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','8447','GDA94 to GDA2020 (2)','See GDA94 to GDA2020 (1) or (3) (codes 8048 and 8446) for alternative conformal-only transformation without local distortion modelling. GDA2020 Technical Manual and fact sheet T1 give guidance on which to use.','Transformation of GDA94 coordinates when localised distortion needs to be taken into account, e.g. if GDA94 coordinates were derived survey control monuments.','EPSG','9615','NTv2','EPSG','4283','EPSG','7844','EPSG','2575',0.05,'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 "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','8451','GDA2020 to AHD height (1)','File name previously called AUSGeoid2020_windows_binary.gsb. Uncertainties given in accompanying file AUSGeoid2020_20180201_error.gsb. For reversible alternative to this transformation see GDA2020 to GDA2020 + AHD height (1) (code 9466).','Derivation of gravity-related heights from GNSS observations.','EPSG','1048','Geographic3D to GravityRelatedHeight (AUSGeoid v2)','EPSG','7843','EPSG','5711','EPSG','4493',0.15,'EPSG','8666','Geoid (height correction) model file','AUSGeoid2020_20180201.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus 2020',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','8546','St. George Island to NAD83 (2)','Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°.','Spatial referencing.','EPSG','1074','NADCON5 (2D)','EPSG','4138','EPSG','4269','EPSG','1331',0.15,'EPSG','8657','Latitude difference file','nadcon5.sg1952.nad83_1986.stgeorge.lat.trn.20160901.b','EPSG','8658','Longitude difference file','nadcon5.sg1952.nad83_1986.stgeorge.lon.trn.20160901.b',NULL,NULL,'NGS-Usa AK StG Nadcon5',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','8547','St. Lawrence Island to NAD83 (2)','Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°.','Spatial referencing.','EPSG','1074','NADCON5 (2D)','EPSG','4136','EPSG','4269','EPSG','1332',0.5,'EPSG','8657','Latitude difference file','nadcon5.sl1952.nad83_1986.stlawrence.lat.trn.20160901.b','EPSG','8658','Longitude difference file','nadcon5.sl1952.nad83_1986.stlawrence.lon.trn.20160901.b',NULL,NULL,'NGS-Usa AK StL Nadcon5',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','8548','St. Paul Island to NAD83 (2)','Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°.','Spatial referencing.','EPSG','1074','NADCON5 (2D)','EPSG','4137','EPSG','4269','EPSG','1333',0.5,'EPSG','8657','Latitude difference file','nadcon5.sp1952.nad83_1986.stpaul.lat.trn.20160901.b','EPSG','8658','Longitude difference file','nadcon5.sp1952.nad83_1986.stpaul.lon.trn.20160901.b',NULL,NULL,'NGS-Usa AK StP Nadcon5',0);
@@ -347,10 +347,11 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9276','ETRS89 to EVRF2000 Austr
 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.','Derivation of gravity-related heights from GNSS observations.','EPSG','1081','Geographic3D to GravityRelatedHeight (BEV AT)','EPSG','9267','EPSG','9274','EPSG','1037',0.05,'EPSG','8666','Geoid (height correction) model file','GEOID_BESSEL_Oesterreich.csv',NULL,NULL,NULL,NULL,'EPSG','4312','BEV-Aut',0);
 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.','Derivation of gravity-related heights from GNSS observations.','EPSG','1081','Geographic3D to GravityRelatedHeight (BEV AT)','EPSG','4937','EPSG','5778','EPSG','1037',0.05,'EPSG','8666','Geoid (height correction) model file','GV_Hoehengrid_plus_Geoid_V3.csv',NULL,NULL,NULL,NULL,NULL,NULL,'BEV-Aut',0);
 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.','Derivation of gravity-related heights from GNSS observations.','EPSG','1082','Geographic3D to GravityRelatedHeight (SA 2010)','EPSG','7910','EPSG','9279','EPSG','3309',0.07,'EPSG','8666','Geoid (height correction) model file','SAGEOID2010.dat',NULL,NULL,NULL,NULL,NULL,NULL,'NGI-Zaf',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','9282','Amersfoort to ETRS89 (9)','Consistent to within 1mm with official RNAPTRANS(TM)2018 at ground level onshore and at MSL offshore. The horizontal deviation using this NTv2 grid is approximately 1mm per 50m height difference from ground level or MSL.','Approximation of horizontal component of official 3D RDNAPTRANS(TM) transformation, which since 1st October 2000 has defined Amersfoort geodetic datum.','EPSG','9615','NTv2','EPSG','4289','EPSG','4258','EPSG','1275',0.001,'EPSG','8656','Latitude and longitude difference file','rdtrans2018.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'NSGI-Nld 2018',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','9283','ETRS89 to NAP height (2)','Vertical component of official RDNAPTRANS(TM)2018 procedure. Replaces previous versions of RDNAPTRANS.','Derivation of gravity-related heights from GPS observations.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4937','EPSG','5709','EPSG','1275',0.001,'EPSG','8666','Geoid (height correction) model file','nlgeo2018.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'NSGI-Nld 2018',0);
+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.','Geodesy, engineering survey.','EPSG','9615','NTv2','EPSG','4289','EPSG','4258','EPSG','1275',0.001,'EPSG','8656','Latitude and longitude difference file','rdtrans2018.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'NSGI-Nld 2018',0);
+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).','Derivation of gravity-related heights from GNSS (GPS) observations.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','4937','EPSG','5709','EPSG','1172',0.01,'EPSG','8666','Geoid (height correction) model file','nlgeo2018.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'NSGI-Nld 2018',0);
 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.','Engineering survey for HS2 project phases 1 and 2a.','EPSG','9615','NTv2','EPSG','9299','EPSG','4258','EPSG','4582',0.0,'EPSG','8656','Latitude and longitude difference file','HS2TN15_NTv2.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'HS2-Gbr OSNet2009',0);
 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.','Derivation of gravity-related heights from GNSS observations.','EPSG','9661','Geographic3D to GravityRelatedHeight (EGM)','EPSG','4937','EPSG','9303','EPSG','4582',0.001,'EPSG','8666','Geoid (height correction) model file','HS2GM15W.grd',NULL,NULL,NULL,NULL,NULL,NULL,'HS2-Gbr HS2GM15 W',0);
+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.','Derivation of gravity-related heights from GPS observations.','EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)','EPSG','9469','EPSG','9471','EPSG','1122',0.0,'EPSG','8666','Geoid (height correction) model file','INAGEOID20.gtx',NULL,NULL,NULL,NULL,NULL,NULL,'BIG-Idn INAGeoid20',0);
 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.','Cadastre, engineering survey, topographic mapping (large scale).','EPSG','9615','NTv2','EPSG','4314','EPSG','4258','EPSG','4584',0.01,'EPSG','8656','Latitude and longitude difference file','SeTa2016.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'LVGL-Deu SL 2016',0);
 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.','Transformation between national and local height systems.','EPSG','1084','Vertical Offset by Grid Interpolation (gtx)','EPSG','7839','EPSG','5759','EPSG','3764',0.02,'EPSG','8732','Vertical offset file','auckht1946-nzvd2016.gtx',NULL,NULL,NULL,NULL,'EPSG','4167','LINZ-NZ AUCK gtx',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','9313','NZVD2016 height to Bluff 1955 height (2)','Derived at 71 control points. Mean offset 0.273m, standard deviation 0.034m, maximum difference from mean 0.079m. Supersedes NZVD2016 height to Bluff 1955 height (1) (code 7861) after change of grid file format.','Transformation between national and local height systems.','EPSG','1084','Vertical Offset by Grid Interpolation (gtx)','EPSG','7839','EPSG','5760','EPSG','3801',0.02,'EPSG','8732','Vertical offset file','blufht1955-nzvd2016.gtx',NULL,NULL,NULL,NULL,'EPSG','4167','LINZ-NZ BLUF gtx',0);
@@ -407,6 +408,11 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9442','SVS2010 height to EVRF20
 INSERT INTO "grid_transformation" VALUES('EPSG','9443','LHN95 height to EVRF2019 height (1)','Determined at 553 points, SD 0.075m. Offset: mean -0.204m, minimum -0.330m, maximum -0.130m.','Vertical datum change.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','5729','EPSG','9389','EPSG','1286',0.15,'EPSG','8732','Vertical offset file','ch_2019_z.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Che 2019z',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','9444','LHN95 height to EVRF2019 mean-tide height (1)','Determined at 553 points, SD 0.073m. Offset: mean -0.233m, minimum -0.353m, maximum -0.044m.','Vertical datum change.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','5729','EPSG','9390','EPSG','1286',0.146,'EPSG','8732','Vertical offset file','ch_2019_m.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Che 2019m',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','9445','ODN height to EVRF2019 height (1)','Determined at 35 points, SD 0.011m. Offset: mean -0.181m, minimum -0.202m, maximum -0.161m.','Vertical datum change.','EPSG','1085','Vertical Offset by Grid Interpolation (asc)','EPSG','5701','EPSG','9389','EPSG','2792',0.022,'EPSG','8732','Vertical offset file','gb_2019_z.asc',NULL,NULL,NULL,NULL,'EPSG','4258','EuG-Gbr 2019z',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9454','ETRS89 to GBK19-IRF (1)','In conjunction with the GBK19-TM map projection (code 9455) applied to GBK19-IRF (code 9453), emulates the GBK19 Snake projection. Applied to ETRS89 (as realized through the OSNet v2009 CORS) defines GBK19-IRF hence is errorless.','Engineering survey and topographic mapping for railway applications.','EPSG','9615','NTv2','EPSG','4258','EPSG','9453','EPSG','4607',0.0,'EPSG','8656','Latitude and longitude difference file','TN15-ETRS89-to-GBK19-IRF.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'NR-Gbr GBK19 OSNet2009',0);
+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).','Geodesy, hydrography, transfer of accurate heights over distances greater than 10km.','EPSG','1048','Geographic3D to GravityRelatedHeight (AUSGeoid v2)','EPSG','7843','EPSG','9458','EPSG','4177',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20191107.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus AGQG 20191107',0);
+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.','Derivation of gravity-related heights from GNSS observations.','EPSG','1083','Geog3D to Geog2D+Vertical (AUSGeoid v2)','EPSG','7843','EPSG','9462','EPSG','4177',0.1,'EPSG','8666','Geoid (height correction) model file','AGQG_20191107.gsb',NULL,NULL,NULL,NULL,'EPSG','7844','GA-Aus AGQG 20191107',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','Derivation of gravity-related heights from GNSS observations.','EPSG','1083','Geog3D to Geog2D+Vertical (AUSGeoid v2)','EPSG','7843','EPSG','9463','EPSG','4493',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','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.','Derivation of gravity-related heights from GPS observations.','EPSG','1083','Geog3D to Geog2D+Vertical (AUSGeoid v2)','EPSG','4939','EPSG','9464','EPSG','4493',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','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 NGF-IGN78 height (1)','May be used for transformations from WGS 84 to NGF-IGN78. 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);
@@ -442,55 +448,55 @@ INSERT INTO "grid_transformation" VALUES('EPSG','10031','ETRS89 to St. Kilda hei
 INSERT INTO "grid_transformation" VALUES('EPSG','10032','ETRS89 to St. Marys height (1)','May be used for transformations from WGS 84 to St. Marys.','Derivation of gravity-related heights from GPS observations.','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5749','EPSG','2802',0.0,'EPSG','8666','Geoid (height correction) model file','OSTN02_OSGM02_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Scilly',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','10033','ETRS89 to Stornoway height (1)','May be used for transformations from WGS 84 to Stornoway.','Derivation of gravity-related heights from GPS observations.','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5746','EPSG','2799',0.05,'EPSG','8666','Geoid (height correction) model file','OSTN02_OSGM02_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Heb',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','10034','ETRS89 to Sule Skerry height (1)','May be used for transformations from WGS 84 to Sule Skerry.','Derivation of gravity-related heights from GPS observations.','EPSG','9663','Geographic3D to GravityRelatedHeight (OSGM-GB)','EPSG','4937','EPSG','5744','EPSG','2797',0.05,'EPSG','8666','Geoid (height correction) model file','OSTN02_OSGM02_GB.txt',NULL,NULL,NULL,NULL,NULL,NULL,'OS-UK Sule',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10035','GDA94 to AHD height (1)','May be used for transformations from WGS 84 to AHD.','Derivation of gravity-related heights from GPS observations.','EPSG','9662','Geographic3D to GravityRelatedHeight (Ausgeoid98)','EPSG','4939','EPSG','5711','EPSG','2899',0.4,'EPSG','8666','Geoid (height correction) model file','SC52_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SC52',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10036','GDA94 to AHD height (2)','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','2900',0.4,'EPSG','8666','Geoid (height correction) model file','SC53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SC53',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10037','GDA94 to AHD height (3)','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','2901',0.4,'EPSG','8666','Geoid (height correction) model file','SC54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SC54',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10038','GDA94 to AHD height (4)','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','2902',0.4,'EPSG','8666','Geoid (height correction) model file','SD51_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SD51',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10039','GDA94 to AHD height (5)','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','2903',0.4,'EPSG','8666','Geoid (height correction) model file','SD52_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SD52',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10040','GDA94 to AHD height (6)','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','2904',0.4,'EPSG','8666','Geoid (height correction) model file','SD53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SD53',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10041','GDA94 to AHD height (7)','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','2905',0.4,'EPSG','8666','Geoid (height correction) model file','SD54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SD54',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10042','GDA94 to AHD height (8)','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','2906',0.4,'EPSG','8666','Geoid (height correction) model file','SD55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SD55',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10043','GDA94 to AHD height (9)','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','2907',0.4,'EPSG','8666','Geoid (height correction) model file','SE50_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SE50',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10044','GDA94 to AHD height (10)','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','2908',0.4,'EPSG','8666','Geoid (height correction) model file','SE51_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SE51',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10045','GDA94 to AHD height (11)','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','2909',0.4,'EPSG','8666','Geoid (height correction) model file','SE52_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SE52',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10046','GDA94 to AHD height (12)','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','2910',0.4,'EPSG','8666','Geoid (height correction) model file','SE53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SE53',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10047','GDA94 to AHD height (13)','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','2911',0.4,'EPSG','8666','Geoid (height correction) model file','SE54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SE54',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10048','GDA94 to AHD height (14)','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','2912',0.4,'EPSG','8666','Geoid (height correction) model file','SE55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SE55',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10049','GDA94 to AHD height (15)','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','2913',0.4,'EPSG','8666','Geoid (height correction) model file','SF49_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF49',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10050','GDA94 to AHD height (16)','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','2914',0.4,'EPSG','8666','Geoid (height correction) model file','SF50_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF50',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10051','GDA94 to AHD height (17)','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','2915',0.4,'EPSG','8666','Geoid (height correction) model file','SF51_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF51',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10052','GDA94 to AHD height (18)','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','2916',0.4,'EPSG','8666','Geoid (height correction) model file','SF52_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF52',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10053','GDA94 to AHD height (19)','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','2917',0.4,'EPSG','8666','Geoid (height correction) model file','SF53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF53',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10054','GDA94 to AHD height (20)','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','2918',0.4,'EPSG','8666','Geoid (height correction) model file','SF54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF54',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10055','GDA94 to AHD height (21)','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','2919',0.4,'EPSG','8666','Geoid (height correction) model file','SF55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF55',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10056','GDA94 to AHD height (22)','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','2920',0.4,'EPSG','8666','Geoid (height correction) model file','SF56_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF56',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10057','GDA94 to AHD height (23)','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','2921',0.4,'EPSG','8666','Geoid (height correction) model file','SG49_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG49',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10058','GDA94 to AHD height (24)','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','2922',0.4,'EPSG','8666','Geoid (height correction) model file','SG50_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG50',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10059','GDA94 to AHD height (25)','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','2923',0.4,'EPSG','8666','Geoid (height correction) model file','SG51_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG51',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10060','GDA94 to AHD height (26)','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','2924',0.4,'EPSG','8666','Geoid (height correction) model file','SG52_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG52',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10061','GDA94 to AHD height (27)','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','2925',0.4,'EPSG','8666','Geoid (height correction) model file','SG53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG53',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10062','GDA94 to AHD height (28)','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','2926',0.4,'EPSG','8666','Geoid (height correction) model file','SG54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG54',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10063','GDA94 to AHD height (29)','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','2927',0.4,'EPSG','8666','Geoid (height correction) model file','SG55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG55',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10064','GDA94 to AHD height (30)','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','2928',0.4,'EPSG','8666','Geoid (height correction) model file','SG56_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG56',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10065','GDA94 to AHD height (31)','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','2929',0.4,'EPSG','8666','Geoid (height correction) model file','SH49_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH49',1);
-INSERT INTO "grid_transformation" VALUES('EPSG','10066','GDA94 to AHD height (32)','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','2930',0.4,'EPSG','8666','Geoid (height correction) model file','SH50_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH50',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10067','GDA94 to AHD height (33)','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','2931',0.4,'EPSG','8666','Geoid (height correction) model file','SH51_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH51',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10068','GDA94 to AHD height (34)','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','2932',0.4,'EPSG','8666','Geoid (height correction) model file','SH52_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH52',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10069','GDA94 to AHD height (35)','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','2933',0.4,'EPSG','8666','Geoid (height correction) model file','SH53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH53',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10070','GDA94 to AHD height (36)','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','2934',0.4,'EPSG','8666','Geoid (height correction) model file','SH54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH54',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10071','GDA94 to AHD height (37)','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','2935',0.4,'EPSG','8666','Geoid (height correction) model file','SH55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH55',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10072','GDA94 to AHD height (38)','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','2936',0.4,'EPSG','8666','Geoid (height correction) model file','SH56_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH56',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10073','GDA94 to AHD height (39)','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','2937',0.4,'EPSG','8666','Geoid (height correction) model file','SI50_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SI50',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10074','GDA94 to AHD height (40)','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','2938',0.4,'EPSG','8666','Geoid (height correction) model file','SI51_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SI51',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10075','GDA94 to AHD height (41)','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','2939',0.4,'EPSG','8666','Geoid (height correction) model file','SI53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SI53',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10076','GDA94 to AHD height (42)','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','2940',0.4,'EPSG','8666','Geoid (height correction) model file','SI54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SI54',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10077','GDA94 to AHD height (43)','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','2941',0.4,'EPSG','8666','Geoid (height correction) model file','SI55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SI55',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10078','GDA94 to AHD height (44)','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','2942',0.4,'EPSG','8666','Geoid (height correction) model file','SI56_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SI56',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10079','GDA94 to AHD height (45)','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','2943',0.4,'EPSG','8666','Geoid (height correction) model file','SJ53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SJ53',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','10080','GDA94 to AHD height (46)','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','2944',0.4,'EPSG','8666','Geoid (height correction) model file','SJ54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SJ54',0);
-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','10035','GDA94 to AHD height (1)','May be used for transformations from WGS 84 to AHD.','Derivation of gravity-related heights from GPS observations.','EPSG','9662','Geographic3D to GravityRelatedHeight (AUSGeoid98)','EPSG','4939','EPSG','5711','EPSG','2899',0.4,'EPSG','8666','Geoid (height correction) model file','SC52_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SC52',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10036','GDA94 to AHD height (2)','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','2900',0.4,'EPSG','8666','Geoid (height correction) model file','SC53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SC53',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10037','GDA94 to AHD height (3)','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','2901',0.4,'EPSG','8666','Geoid (height correction) model file','SC54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SC54',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10038','GDA94 to AHD height (4)','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','2902',0.4,'EPSG','8666','Geoid (height correction) model file','SD51_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SD51',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10039','GDA94 to AHD height (5)','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','2903',0.4,'EPSG','8666','Geoid (height correction) model file','SD52_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SD52',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10040','GDA94 to AHD height (6)','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','2904',0.4,'EPSG','8666','Geoid (height correction) model file','SD53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SD53',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10041','GDA94 to AHD height (7)','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','2905',0.4,'EPSG','8666','Geoid (height correction) model file','SD54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SD54',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10042','GDA94 to AHD height (8)','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','2906',0.4,'EPSG','8666','Geoid (height correction) model file','SD55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SD55',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10043','GDA94 to AHD height (9)','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','2907',0.4,'EPSG','8666','Geoid (height correction) model file','SE50_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SE50',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10044','GDA94 to AHD height (10)','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','2908',0.4,'EPSG','8666','Geoid (height correction) model file','SE51_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SE51',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10045','GDA94 to AHD height (11)','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','2909',0.4,'EPSG','8666','Geoid (height correction) model file','SE52_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SE52',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10046','GDA94 to AHD height (12)','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','2910',0.4,'EPSG','8666','Geoid (height correction) model file','SE53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SE53',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10047','GDA94 to AHD height (13)','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','2911',0.4,'EPSG','8666','Geoid (height correction) model file','SE54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SE54',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10048','GDA94 to AHD height (14)','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','2912',0.4,'EPSG','8666','Geoid (height correction) model file','SE55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SE55',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10049','GDA94 to AHD height (15)','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','2913',0.4,'EPSG','8666','Geoid (height correction) model file','SF49_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF49',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10050','GDA94 to AHD height (16)','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','2914',0.4,'EPSG','8666','Geoid (height correction) model file','SF50_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF50',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10051','GDA94 to AHD height (17)','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','2915',0.4,'EPSG','8666','Geoid (height correction) model file','SF51_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF51',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10052','GDA94 to AHD height (18)','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','2916',0.4,'EPSG','8666','Geoid (height correction) model file','SF52_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF52',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10053','GDA94 to AHD height (19)','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','2917',0.4,'EPSG','8666','Geoid (height correction) model file','SF53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF53',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10054','GDA94 to AHD height (20)','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','2918',0.4,'EPSG','8666','Geoid (height correction) model file','SF54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF54',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10055','GDA94 to AHD height (21)','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','2919',0.4,'EPSG','8666','Geoid (height correction) model file','SF55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF55',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10056','GDA94 to AHD height (22)','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','2920',0.4,'EPSG','8666','Geoid (height correction) model file','SF56_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SF56',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10057','GDA94 to AHD height (23)','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','2921',0.4,'EPSG','8666','Geoid (height correction) model file','SG49_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG49',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10058','GDA94 to AHD height (24)','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','2922',0.4,'EPSG','8666','Geoid (height correction) model file','SG50_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG50',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10059','GDA94 to AHD height (25)','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','2923',0.4,'EPSG','8666','Geoid (height correction) model file','SG51_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG51',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10060','GDA94 to AHD height (26)','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','2924',0.4,'EPSG','8666','Geoid (height correction) model file','SG52_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG52',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10061','GDA94 to AHD height (27)','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','2925',0.4,'EPSG','8666','Geoid (height correction) model file','SG53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG53',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10062','GDA94 to AHD height (28)','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','2926',0.4,'EPSG','8666','Geoid (height correction) model file','SG54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG54',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10063','GDA94 to AHD height (29)','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','2927',0.4,'EPSG','8666','Geoid (height correction) model file','SG55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG55',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10064','GDA94 to AHD height (30)','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','2928',0.4,'EPSG','8666','Geoid (height correction) model file','SG56_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SG56',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10065','GDA94 to AHD height (31)','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','2929',0.4,'EPSG','8666','Geoid (height correction) model file','SH49_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH49',1);
+INSERT INTO "grid_transformation" VALUES('EPSG','10066','GDA94 to AHD height (32)','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','2930',0.4,'EPSG','8666','Geoid (height correction) model file','SH50_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH50',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10067','GDA94 to AHD height (33)','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','2931',0.4,'EPSG','8666','Geoid (height correction) model file','SH51_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH51',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10068','GDA94 to AHD height (34)','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','2932',0.4,'EPSG','8666','Geoid (height correction) model file','SH52_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH52',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10069','GDA94 to AHD height (35)','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','2933',0.4,'EPSG','8666','Geoid (height correction) model file','SH53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH53',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10070','GDA94 to AHD height (36)','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','2934',0.4,'EPSG','8666','Geoid (height correction) model file','SH54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH54',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10071','GDA94 to AHD height (37)','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','2935',0.4,'EPSG','8666','Geoid (height correction) model file','SH55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH55',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10072','GDA94 to AHD height (38)','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','2936',0.4,'EPSG','8666','Geoid (height correction) model file','SH56_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SH56',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10073','GDA94 to AHD height (39)','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','2937',0.4,'EPSG','8666','Geoid (height correction) model file','SI50_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SI50',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10074','GDA94 to AHD height (40)','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','2938',0.4,'EPSG','8666','Geoid (height correction) model file','SI51_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SI51',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10075','GDA94 to AHD height (41)','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','2939',0.4,'EPSG','8666','Geoid (height correction) model file','SI53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SI53',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10076','GDA94 to AHD height (42)','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','2940',0.4,'EPSG','8666','Geoid (height correction) model file','SI54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SI54',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10077','GDA94 to AHD height (43)','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','2941',0.4,'EPSG','8666','Geoid (height correction) model file','SI55_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SI55',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10078','GDA94 to AHD height (44)','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','2942',0.4,'EPSG','8666','Geoid (height correction) model file','SI56_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SI56',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10079','GDA94 to AHD height (45)','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','2943',0.4,'EPSG','8666','Geoid (height correction) model file','SJ53_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SJ53',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','10080','GDA94 to AHD height (46)','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','2944',0.4,'EPSG','8666','Geoid (height correction) model file','SJ54_DAT.htm',NULL,NULL,NULL,NULL,NULL,NULL,'GA-Aus SJ54',0);
+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). 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);
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