Database: update to EPSG v9.8.3

Note: a hack has been added into customizations.sql to cancel deprecatation
of USA geoid2012 grids by geoid2018 grids, as the later are not yet available
in proj-datumgrid-northamerica (https://github.com/OSGeo/proj-datumgrid/issues/55)

6 files changed, 53 insertions, 28 deletions

diff --git a/data/sql/area.sql b/data/sql/area.sql
index c70aae9b..85f40906 100644
--- a/data/sql/area.sql
+++ b/data/sql/area.sql
@@ -35,7 +35,7 @@ INSERT INTO "area" VALUES('EPSG','1055','Brunei','Brunei Darussalam - onshore an
 INSERT INTO "area" VALUES('EPSG','1056','Bulgaria','Bulgaria - onshore and offshore.',41.24,44.23,22.36,31.35,0);
 INSERT INTO "area" VALUES('EPSG','1057','Burkina Faso','Burkina Faso.',9.39,15.09,-5.53,2.4,0);
 INSERT INTO "area" VALUES('EPSG','1058','Burundi','Burundi.',-4.45,-2.3,28.98,30.86,0);
-INSERT INTO "area" VALUES('EPSG','1059','Cambodia','Cambodia - onshore and offshore.',8.78,14.71,101.33,107.64,0);
+INSERT INTO "area" VALUES('EPSG','1059','Cambodia','Cambodia - onshore and offshore.',8.78,14.73,101.33,107.64,0);
 INSERT INTO "area" VALUES('EPSG','1060','Cameroon','Cameroon - onshore and offshore.',1.65,13.09,8.32,16.21,0);
 INSERT INTO "area" VALUES('EPSG','1061','Canada','Canada - onshore and offshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon.',40.04,86.46,-141.01,-47.74,0);
 INSERT INTO "area" VALUES('EPSG','1062','Cape Verde','Cape Verde - onshore and offshore. Includes Boa Vista, Brava, Fogo, Maio, Sal, Santo Antao, Sao Nicolau, Sao Tiago, Sao Vicente.',11.47,20.54,-28.85,-19.53,0);
@@ -114,7 +114,7 @@ INSERT INTO "area" VALUES('EPSG','1134','Korea, Democratic People''s Republic of
 INSERT INTO "area" VALUES('EPSG','1135','Korea, Republic of (South Korea)','Republic of Korea (South Korea) - onshore and offshore.',28.6,40.27,122.71,134.28,0);
 INSERT INTO "area" VALUES('EPSG','1136','Kuwait','Kuwait - onshore and offshore.',28.53,30.09,46.54,49.53,0);
 INSERT INTO "area" VALUES('EPSG','1137','Kyrgyzstan','Kyrgyzstan.',39.19,43.22,69.24,80.29,0);
-INSERT INTO "area" VALUES('EPSG','1138','Laos','Laos.',13.92,22.5,100.09,107.7,0);
+INSERT INTO "area" VALUES('EPSG','1138','Laos','Laos.',13.92,22.5,100.09,107.64,0);
 INSERT INTO "area" VALUES('EPSG','1139','Latvia','Latvia - onshore and offshore.',55.67,58.09,19.06,28.24,0);
 INSERT INTO "area" VALUES('EPSG','1140','Lebanon','Lebanon - onshore and offshore.',33.06,34.84,33.75,36.63,0);
 INSERT INTO "area" VALUES('EPSG','1141','Lesotho','Lesotho.',-30.66,-28.57,27.01,29.46,0);
@@ -228,7 +228,7 @@ INSERT INTO "area" VALUES('EPSG','1248','Uzbekistan','Uzbekistan.',37.18,45.58,5
 INSERT INTO "area" VALUES('EPSG','1249','Vanuatu','Vanuatu - onshore and offshore.',-21.65,-12.27,163.16,173.59,0);
 INSERT INTO "area" VALUES('EPSG','1250','Holy See (Vatican City State)','Holy See (Vatican City State).',41.9,41.91,12.44,12.46,0);
 INSERT INTO "area" VALUES('EPSG','1251','Venezuela','Venezuela - onshore and offshore.',0.64,16.75,-73.38,-58.95,0);
-INSERT INTO "area" VALUES('EPSG','1252','Vietnam','Vietnam - onshore and offshore.',5.67,23.33,102.14,112.55,0);
+INSERT INTO "area" VALUES('EPSG','1252','Vietnam','Vietnam - onshore and offshore.',5.67,23.4,102.14,112.55,0);
 INSERT INTO "area" VALUES('EPSG','1253','Virgin Islands, British','British Virgin Islands - onshore and offshore - Anegada, Jost Van Dyke, Tortola, and Virgin Gorda.',17.96,22.09,-65.85,-63.29,0);
 INSERT INTO "area" VALUES('EPSG','1254','Virgin Islands, US','US Virgin Islands - onshore and offshore - St Croix, St John, and St Thomas.',16.22,21.83,-66.05,-63.88,0);
 INSERT INTO "area" VALUES('EPSG','1255','Wallis and Futuna','Wallis and Futuna - onshore and offshore - Uvea, Futuna, and Alofi.',-15.94,-9.84,179.49,-174.27,0);
@@ -278,7 +278,7 @@ INSERT INTO "area" VALUES('EPSG','1298','Europe - ETRS89','Europe - onshore and
 INSERT INTO "area" VALUES('EPSG','1299','Europe - EVRF2000','Europe - onshore - Andorra; Austria; Belgium; Bosnia and Herzegovina; Croatia; Czechia; Denmark; Estonia; Finland; France - mainland; Germany; Gibraltar; Hungary; Italy - mainland and Sicily; Latvia; Liechtenstein; Lithuania; Luxembourg; Netherlands; Norway; Poland; Portugal - mainland; Romania; San Marino; Slovakia; Slovenia; Spain - mainland; Sweden; Switzerland; United Kingdom (UK) - Great Britain mainland; Vatican City State.',35.95,71.21,-9.56,31.59,0);
 INSERT INTO "area" VALUES('EPSG','1300','Iran - FD58','Iran - Arwaz area and onshore Gulf coast west of 54°E, Lavan Island, offshore Balal field and South Pars blocks 2 and 3.',26.21,33.22,47.13,53.61,0);
 INSERT INTO "area" VALUES('EPSG','1301','Portugal - Azores C - onshore','Portugal - central Azores onshore - Faial, Graciosa, Pico, Sao Jorge, Terceira.',38.32,39.14,-28.9,-26.97,0);
-INSERT INTO "area" VALUES('EPSG','1302','Asia - Cambodia and Vietnam - mainland','Cambodia - mainland onshore; Vietnam - mainland onshore.',8.5,23.33,102.14,109.52,0);
+INSERT INTO "area" VALUES('EPSG','1302','Asia - Cambodia and Vietnam - mainland','Cambodia - mainland onshore; Vietnam - mainland onshore.',8.33,23.4,102.14,109.53,0);
 INSERT INTO "area" VALUES('EPSG','1303','South America - Tierra del Fuego','Argentina and Chile - Tierra del Fuego, onshore.',-55.96,-51.99,-74.83,-63.73,0);
 INSERT INTO "area" VALUES('EPSG','1304','Asia - Myanmar and Thailand onshore','Myanmar (Burma) - onshore; Thailand - onshore.',5.63,28.55,92.2,105.64,0);
 INSERT INTO "area" VALUES('EPSG','1305','Europe - Ireland (Republic and Ulster) - onshore','Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.',51.39,55.43,-10.56,-5.34,0);
@@ -428,8 +428,8 @@ INSERT INTO "area" VALUES('EPSG','1448','Canada - 72°W to 66°W, south of 62°N
 INSERT INTO "area" VALUES('EPSG','1449','Canada - 66°W to 60°W, south of 60°N','Canada south of 60°N and between 66°W and 60°W - New Brunswick (NB), Labrador, Nova Scotia (NS), Prince Edward Island (PEI), Quebec.',43.2,60.0,-66.0,-60.0,1);
 INSERT INTO "area" VALUES('EPSG','1450','Cote d''Ivoire (Ivory Coast) - east of 6°W','Côte d''Ivoire (Ivory Coast) east of 6°W.',4.92,10.46,-6.0,-2.48,0);
 INSERT INTO "area" VALUES('EPSG','1451','Cote d''Ivoire (Ivory Coast) - west of 6°W','Côte d''Ivoire (Ivory Coast) west of 6°W.',4.29,10.74,-8.61,-6.0,0);
-INSERT INTO "area" VALUES('EPSG','1452','Vietnam - west of 108°E onshore','Vietnam - onshore west of 108°E.',8.5,23.33,102.14,108.0,0);
-INSERT INTO "area" VALUES('EPSG','1453','Vietnam - east of 108°E onshore','Vietnam - onshore east of 108°E.',10.42,21.56,108.0,109.52,0);
+INSERT INTO "area" VALUES('EPSG','1452','Vietnam - west of 108°E onshore','Vietnam - onshore west of 108°E.',8.33,23.4,102.14,108.0,0);
+INSERT INTO "area" VALUES('EPSG','1453','Vietnam - east of 108°E onshore','Vietnam - onshore east of 108°E.',10.43,21.56,108.0,109.53,0);
 INSERT INTO "area" VALUES('EPSG','1454','Namibia - Walvis Bay','Namibia - Walvis Bay.',-23.15,-22.68,14.35,14.6,0);
 INSERT INTO "area" VALUES('EPSG','1455','South Africa - west of 18°E','South Africa - onshore west of 18°E.',-33.1,-28.03,16.45,18.0,0);
 INSERT INTO "area" VALUES('EPSG','1456','South Africa - 18°E to 20°E','South Africa - onshore between 18°E and 20°E.',-34.88,-28.38,17.99,20.0,0);
@@ -470,7 +470,7 @@ INSERT INTO "area" VALUES('EPSG','1490','Yemen - 42°E to 48°E','Yemen - betwee
 INSERT INTO "area" VALUES('EPSG','1491','Yemen - 48°E to 54°E','Yemen - between 48°E and 54°E, onshore and offshore.',9.45,19.0,48.0,54.0,0);
 INSERT INTO "area" VALUES('EPSG','1492','Yemen - South Yemen - mainland west of 48°E','Yemen - South Yemen onshore mainland west of 48°E.',12.54,17.44,43.37,48.0,0);
 INSERT INTO "area" VALUES('EPSG','1493','Yemen - South Yemen - mainland east of 48°E','Yemen - South Yemen onshore mainland east of 48°E.',13.94,19.0,48.0,53.14,0);
-INSERT INTO "area" VALUES('EPSG','1494','Vietnam - onshore Vung Tau area','Vietnam - onshore Vung Tau area.',9.02,11.03,105.49,107.59,0);
+INSERT INTO "area" VALUES('EPSG','1494','Vietnam - onshore Vung Tau area','Vietnam - onshore Vung Tau area.',9.03,11.04,105.49,107.58,0);
 INSERT INTO "area" VALUES('EPSG','1495','Vietnam - offshore Cuu Long basin','Vietnam - offshore - Cuu Long basin and northwestern part of Nam Con Son basin.',7.99,11.15,106.54,110.0,0);
 INSERT INTO "area" VALUES('EPSG','1496','Korea, Republic of (South Korea) - east of 128°E onshore','Republic of Korea (South Korea) - onshore east of 128°E.',34.49,38.64,128.0,129.65,0);
 INSERT INTO "area" VALUES('EPSG','1497','Korea, Republic of (South Korea) - 126°E to 128°E onshore','Republic of Korea (South Korea) - onshore between 126°E and 128°E.',33.14,38.33,126.0,128.0,0);
@@ -514,11 +514,11 @@ INSERT INTO "area" VALUES('EPSG','1534','Canada - Nova Scotia - east of 63°W','
 INSERT INTO "area" VALUES('EPSG','1535','Canada - Nova Scotia - west of 63°W','Canada - Nova Scotia - west of 63°W.',43.41,46.02,-66.28,-63.0,0);
 INSERT INTO "area" VALUES('EPSG','1536','Finland - 19.5°E to 22.5°E onshore','Finland - onshore between 19°30''E and 22°30''E.',59.76,69.33,19.5,22.5,0);
 INSERT INTO "area" VALUES('EPSG','1537','Finland - 22.5°E to 25.5°E onshore','Finland - onshore between 22°30''E and 25°30''E.',59.75,68.9,22.5,25.5,0);
-INSERT INTO "area" VALUES('EPSG','1538','Finland - 25.5°E to 28.5°E onshore. Also all country.','Finland - onshore between 25°30''E and 28°30''E for Basic Coordinate System and all onshore Finland for Uniform Coordinate System.',59.75,70.09,19.24,31.59,0);
+INSERT INTO "area" VALUES('EPSG','1538','Finland - 25.5°E to 28.5°E onshore.','Finland - onshore between 25°30''E and 28°30''E for Basic Coordinate System and all onshore Finland for Uniform Coordinate System.',60.18,70.09,25.5,28.51,0);
 INSERT INTO "area" VALUES('EPSG','1539','Finland - 28.5°E to 31.5°E','Finland - between 28°30''E and 31°30''E.',60.94,69.81,28.5,31.5,0);
 INSERT INTO "area" VALUES('EPSG','1540','Mozambique - onshore west of 36°E','Mozambique - onshore west of 36°E.',-26.87,-11.41,30.21,36.0,0);
 INSERT INTO "area" VALUES('EPSG','1541','Mozambique - onshore east of 36°E','Mozambique - onshore east of 36°E.',-18.98,-10.42,35.99,40.9,0);
-INSERT INTO "area" VALUES('EPSG','1542','Asia - Cambodia and Vietnam - west of 108°E','Cambodia; Vietnam west of 108°E.',8.5,23.33,102.14,108.0,0);
+INSERT INTO "area" VALUES('EPSG','1542','Asia - Cambodia and Vietnam - west of 108°E','Cambodia; Vietnam west of 108°E.',8.33,23.4,102.14,108.0,0);
 INSERT INTO "area" VALUES('EPSG','1543','Austria - Styria','Austria - Styria.',46.64,47.84,13.58,16.17,0);
 INSERT INTO "area" VALUES('EPSG','1544','Oman - onshore west of 54°E','Oman - onshore west of 54°E.',16.59,19.67,51.99,54.0,0);
 INSERT INTO "area" VALUES('EPSG','1545','Oman - onshore east of 54°E','Oman - onshore east of 54°E. Includes Musandam and the Kuria Muria (Al Hallaniyah) islands.',16.89,26.58,54.0,59.91,0);
@@ -1335,8 +1335,8 @@ INSERT INTO "area" VALUES('EPSG','2355','Falkland Islands - East Falkland Island
 INSERT INTO "area" VALUES('EPSG','2356','Ecuador - Galapagos onshore','Ecuador - Baltra; Galapagos - onshore.',-1.41,0.18,-91.72,-89.19,0);
 INSERT INTO "area" VALUES('EPSG','2357','Argentina - Tierra del Fuego onshore','Argentina - Tierra del Fuego onshore.',-55.11,-52.59,-68.64,-63.73,0);
 INSERT INTO "area" VALUES('EPSG','2358','Thailand - Bongkot field','Thailand - Bongkot field.',6.74,8.16,102.16,103.05,0);
-INSERT INTO "area" VALUES('EPSG','2359','Vietnam - 14°N to 18°N onshore','Vietnam - onshore between 14°N and 18°N.',14.0,18.0,105.61,109.32,0);
-INSERT INTO "area" VALUES('EPSG','2360','Vietnam - Con Son Island','Vietnam - Con Son Island.',8.58,8.83,106.49,106.79,0);
+INSERT INTO "area" VALUES('EPSG','2359','Vietnam - 14°N to 18°N onshore','Vietnam - onshore between 14°N and 18°N.',14.0,18.01,105.61,109.36,0);
+INSERT INTO "area" VALUES('EPSG','2360','Vietnam - Con Son Island','Vietnam - Con Son Island.',8.57,8.83,106.48,106.8,0);
 INSERT INTO "area" VALUES('EPSG','2361','Myanmar (Burma) - Moattama area','Myanmar (Burma) - Moattama area.',9.48,17.87,93.94,99.66,0);
 INSERT INTO "area" VALUES('EPSG','2362','Iran - Kangan district','Iran - Kangan district.',27.3,28.2,51.8,53.01,0);
 INSERT INTO "area" VALUES('EPSG','2363','Venezuela - east','Venezuela - east - Delta Amacuro; Anzoategui; Bolivar; Monagas; Sucre states.',3.56,10.8,-67.49,-59.8,0);
@@ -1697,8 +1697,8 @@ INSERT INTO "area" VALUES('EPSG','2717','China - 91.5°E to 94.5°E','China - be
 INSERT INTO "area" VALUES('EPSG','2718','China - 94.5°E to 97.5°E','China - between 94°30''E and 97°30''E.',28.23,44.5,94.5,97.51,0);
 INSERT INTO "area" VALUES('EPSG','2719','China - 97.5°E to 100.5°E','China - between 97°30''E and 100°30''E.',21.43,42.76,97.5,100.5,0);
 INSERT INTO "area" VALUES('EPSG','2720','China - 100.5°E to 103.5°E','China - between 100°30''E and 103°30''E.',21.13,42.69,100.5,103.5,0);
-INSERT INTO "area" VALUES('EPSG','2721','China - 103.5°E to 106.5°E','China - between 103°30''E and 106°30''E.',22.5,42.21,103.5,106.5,0);
-INSERT INTO "area" VALUES('EPSG','2722','China - 106.5°E to 109.5°E onshore','China - onshore between 106°30''E and 109°30''E.',18.19,42.47,106.5,109.5,0);
+INSERT INTO "area" VALUES('EPSG','2721','China - 103.5°E to 106.5°E','China - between 103°30''E and 106°30''E.',22.5,42.21,103.5,106.51,0);
+INSERT INTO "area" VALUES('EPSG','2722','China - 106.5°E to 109.5°E onshore','China - onshore between 106°30''E and 109°30''E.',18.19,42.47,106.5,109.51,0);
 INSERT INTO "area" VALUES('EPSG','2723','China - 109.5°E to 112.5°E onshore','China - onshore between 109°30''E and 112°30''E.',18.11,45.11,109.5,112.5,0);
 INSERT INTO "area" VALUES('EPSG','2724','China - 112.5°E to 115.5°E onshore','China - onshore between 112°30''E and 115°30''E.',21.52,45.45,112.5,115.5,0);
 INSERT INTO "area" VALUES('EPSG','2725','China - 115.5°E to 118.5°E onshore','China - onshore between 115°30''E and 118°30''E.',22.6,49.88,115.5,118.5,0);
@@ -2201,7 +2201,7 @@ INSERT INTO "area" VALUES('EPSG','3221','Bermuda - onshore','Bermuda - onshore.'
 INSERT INTO "area" VALUES('EPSG','3222','Bouvet Island - onshore','Bouvet Island - onshore.',-54.52,-54.33,3.29,3.54,0);
 INSERT INTO "area" VALUES('EPSG','3223','Brazil - onshore','Brazil - onshore.',-33.78,5.28,-74.01,-34.74,0);
 INSERT INTO "area" VALUES('EPSG','3224','Bulgaria - onshore','Bulgaria - onshore.',41.24,44.23,22.36,28.68,0);
-INSERT INTO "area" VALUES('EPSG','3225','Cambodia - onshore','Cambodia - onshore.',10.39,14.71,102.34,107.64,0);
+INSERT INTO "area" VALUES('EPSG','3225','Cambodia - onshore','Cambodia - onshore.',10.39,14.73,102.34,107.64,0);
 INSERT INTO "area" VALUES('EPSG','3226','Cameroon - onshore','Cameroon - onshore.',1.65,13.09,8.45,16.21,0);
 INSERT INTO "area" VALUES('EPSG','3227','Chile - onshore north of 45°S','Chile - onshore north of 45°S.',-45.0,-17.5,-75.22,-67.0,0);
 INSERT INTO "area" VALUES('EPSG','3228','China - onshore','China - onshore.',18.11,53.56,73.62,134.77,0);
@@ -2304,7 +2304,7 @@ INSERT INTO "area" VALUES('EPSG','3324','Ukraine - onshore','Ukraine - onshore.'
 INSERT INTO "area" VALUES('EPSG','3325','UAE - onshore','United Arab Emirates (UAE) - onshore. Abu Dhabi, Dubai, Sharjah, Umm al Qaywayn, Al Fujairah, Ras al Khaymah.',22.63,26.1,51.56,56.44,0);
 INSERT INTO "area" VALUES('EPSG','3326','Uruguay - onshore','Uruguay - onshore.',-35.0,-30.09,-58.49,-53.09,0);
 INSERT INTO "area" VALUES('EPSG','3327','Venezuela - onshore','Venezuela - onshore.',0.64,12.25,-73.38,-59.8,0);
-INSERT INTO "area" VALUES('EPSG','3328','Vietnam - onshore','Vietnam - onshore.',8.5,23.33,102.14,109.52,0);
+INSERT INTO "area" VALUES('EPSG','3328','Vietnam - onshore','Vietnam - onshore.',8.33,23.4,102.14,109.53,0);
 INSERT INTO "area" VALUES('EPSG','3329','Virgin Islands, British - onshore','British Virgin Islands - onshore - Anegada, Jost Van Dyke, Tortola, and Virgin Gorda.',18.28,18.78,-64.88,-64.25,0);
 INSERT INTO "area" VALUES('EPSG','3330','Virgin Islands, US - onshore','US Virgin Islands - onshore - St Croix, St John, and St Thomas.',17.62,18.44,-65.09,-64.51,0);
 INSERT INTO "area" VALUES('EPSG','3331','Western Sahara - onshore','Western Sahara - onshore.',20.71,27.67,-17.16,-8.66,0);
@@ -2746,7 +2746,7 @@ INSERT INTO "area" VALUES('EPSG','3766','French Guiana - coastal area east of 54
 INSERT INTO "area" VALUES('EPSG','3767','Ireland - onshore','Ireland - onshore.',51.39,55.43,-10.56,-5.93,0);
 INSERT INTO "area" VALUES('EPSG','3768','New Zealand - North Island - Moturiki vcrs','New Zealand - North Island - Moturiki vertical CRS area.',-40.59,-37.52,174.57,177.26,0);
 INSERT INTO "area" VALUES('EPSG','3769','New Zealand - North Island - Taranaki vcrs','New Zealand - North Island - Taranaki vertical CRS area.',-39.92,-38.41,173.68,174.95,0);
-INSERT INTO "area" VALUES('EPSG','3770','Vietnam - DBSCL 02 and 03','Vietnam - Mekong delta blocks DBSCL 02 and 03.',9.34,11.03,104.25,107.11,0);
+INSERT INTO "area" VALUES('EPSG','3770','Vietnam - DBSCL 02 and 03','Vietnam - Mekong delta blocks DBSCL 02 and 03.',9.35,11.04,104.24,107.11,0);
 INSERT INTO "area" VALUES('EPSG','3771','New Zealand - North Island - Gisborne vcrs','New Zealand - North Island - Gisborne vertical CRS area.',-39.04,-37.49,176.41,178.63,0);
 INSERT INTO "area" VALUES('EPSG','3772','New Zealand - North Island - Hawkes Bay mc Napier vcrs','New Zealand - North Island - Hawkes Bay meridional circuit and Napier vertical crs area.',-40.57,-38.87,175.8,178.07,0);
 INSERT INTO "area" VALUES('EPSG','3773','New Zealand - North Island - Wellington vcrs','New Zealand - North Island - Wellington vertical CRS area.',-41.67,-40.12,174.52,176.56,0);
@@ -2983,7 +2983,7 @@ INSERT INTO "area" VALUES('EPSG','4003','Germany - East Germany - east of 13.5°
 INSERT INTO "area" VALUES('EPSG','4004','Australia - Northern Territory mainland','Australia - Northern Territory mainland onshore.',-26.01,-10.92,128.99,138.0,0);
 INSERT INTO "area" VALUES('EPSG','4005','Indonesia - Kalimantan W - coastal','Indonesia - west Kalimantan - onshore coastal area.',0.06,2.13,108.79,109.78,0);
 INSERT INTO "area" VALUES('EPSG','4006','Yemen - west of 42°E','Yemen - west of 42°E, onshore and offshore.',14.73,16.36,41.08,42.0,0);
-INSERT INTO "area" VALUES('EPSG','4007','Asia - Cambodia and Vietnam - onshore & Cuu Long basin','Cambodia - onshore; Vietnam - onshore and offshore Cuu Long basin.',7.99,23.33,102.14,110.0,0);
+INSERT INTO "area" VALUES('EPSG','4007','Asia - Cambodia and Vietnam - onshore & Cuu Long basin','Cambodia - onshore; Vietnam - onshore and offshore Cuu Long basin.',7.99,23.4,102.14,110.0,0);
 INSERT INTO "area" VALUES('EPSG','4008','Oman - mainland east of 54°E','Oman - mainland onshore east of 54°E.',16.89,26.42,54.0,59.91,0);
 INSERT INTO "area" VALUES('EPSG','4009','Oman - mainland','Oman - mainland onshore.',16.59,26.42,51.99,59.91,0);
 INSERT INTO "area" VALUES('EPSG','4010','Solomon Islands','Solomon Islands - onshore and offshore.',-16.13,-4.14,154.58,173.58,0);
@@ -2991,7 +2991,7 @@ INSERT INTO "area" VALUES('EPSG','4011','Tuvalu - onshore','Tuvalu - onshore.',-
 INSERT INTO "area" VALUES('EPSG','4012','Congo DR (Zaire) - Bas Congo east of 15°E','The Democratic Republic of the Congo (Zaire) - Bas Congo east of 15°E.',-5.87,-4.42,14.99,16.28,0);
 INSERT INTO "area" VALUES('EPSG','4013','Papua New Guinea - PFTB','Papua New Guinea - Papuan fold and thrust belt.',-8.28,-5.59,142.24,144.75,0);
 INSERT INTO "area" VALUES('EPSG','4014','Australia - Western Australia mainland','Australia - Western Australia mainland.',-35.19,-13.67,112.85,129.01,0);
-INSERT INTO "area" VALUES('EPSG','4015','Vietnam - mainland','Vietnam - mainland onshore.',8.5,23.33,102.14,109.52,0);
+INSERT INTO "area" VALUES('EPSG','4015','Vietnam - mainland','Vietnam - mainland onshore.',8.33,23.4,102.14,109.53,0);
 INSERT INTO "area" VALUES('EPSG','4016','South America -  onshore north of 45°S','South America - onshore north of 45°S excluding Amazonia.',-45.0,12.52,-81.41,-34.74,0);
 INSERT INTO "area" VALUES('EPSG','4017','Australia - SE Australia (ACT NSW)','Australia - Australian Capital Territory and New South Wales onshore.',-37.53,-28.15,140.99,153.69,0);
 INSERT INTO "area" VALUES('EPSG','4018','Congo DR (Zaire) - south and 29°E to 31°E','The Democratic Republic of the Congo (Zaire) - south of a line through Bandundu, Seke and Pweto and east of 29°E.',-13.46,-12.15,29.0,29.81,0);
@@ -3169,7 +3169,7 @@ INSERT INTO "area" VALUES('EPSG','4189','Cocos (Keeling) Islands - west of 96°E
 INSERT INTO "area" VALUES('EPSG','4190','Cocos (Keeling) Islands - east of 96°E','Cocos (Keeling) Islands - onshore and offshore east of 96°E.',-15.56,-8.47,96.0,100.34,0);
 INSERT INTO "area" VALUES('EPSG','4191','Australasia - Australia and Christmas Island - west of 108°E','Australia - offshore west of 108°E. Christmas Island - onshore and offshore west of 108°E.',-34.68,-8.87,102.14,108.01,0);
 INSERT INTO "area" VALUES('EPSG','4192','USA - Oregon - Bend-Klamath Falls','United States (USA) - Oregon - Bend-Klamath Falls area.',41.88,43.89,-122.45,-120.77,0);
-INSERT INTO "area" VALUES('EPSG','4193','Vietnam - west of 103°30''E onshore','Vietnam - onshore west of 103°30''E.',9.23,22.8,102.14,103.51,0);
+INSERT INTO "area" VALUES('EPSG','4193','Vietnam - west of 103°30''E onshore','Vietnam - onshore west of 103°30''E.',9.2,22.82,102.14,103.51,0);
 INSERT INTO "area" VALUES('EPSG','4194','Japan onshore excluding northern main province','Japan - onshore, excluding northern prefectures of ''main province'' (see remarks).',20.37,45.54,122.83,154.05,0);
 INSERT INTO "area" VALUES('EPSG','4195','USA - Oregon - Bend-Redmond-Prineville','United States (USA) - Oregon - Bend-Redmond-Prineville area.',43.76,44.98,-121.88,-119.79,0);
 INSERT INTO "area" VALUES('EPSG','4196','Australia and Macquarie - 156°E to 162°E','Australia including Lord Howe Island and Macquarie Islands - onshore and offshore between 156°E and 162°E.',-60.56,-14.08,156.0,162.01,0);
@@ -3191,9 +3191,9 @@ INSERT INTO "area" VALUES('EPSG','4211','USA - Oregon - Portland','United States
 INSERT INTO "area" VALUES('EPSG','4212','USA - Oregon - Salem','United States (USA) - Oregon - Salem area.',44.32,45.3,-123.73,-121.89,0);
 INSERT INTO "area" VALUES('EPSG','4213','USA - Oregon - Sweet Home-Sisters','United States (USA) - Oregon - Sweet Home-Santiam Pass-Sisters area.',44.1,44.66,-122.51,-121.69,0);
 INSERT INTO "area" VALUES('EPSG','4214','Papua New Guinea - mainland onshore','Papua New Guinea - mainland onshore.',-10.76,-2.53,140.85,150.96,0);
-INSERT INTO "area" VALUES('EPSG','4215','Vietnam - 103.5°E to 106.5°E onshore','Vietnam - between 103°30''E and 106°30''E, onshore.',8.5,23.33,103.5,106.51,0);
+INSERT INTO "area" VALUES('EPSG','4215','Vietnam - 103.5°E to 106.5°E onshore','Vietnam - between 103°30''E and 106°30''E, onshore.',8.33,23.4,103.5,106.51,0);
 INSERT INTO "area" VALUES('EPSG','4216','Papua New Guinea - North Fly','Papua New Guinea - North Fly area (between 5°04''S and 6°36''S and west of 141°32''E).',-6.6,-5.05,140.89,141.54,0);
-INSERT INTO "area" VALUES('EPSG','4217','Vietnam - east of 106.5°E onshore','Vietnam - onshore east of 106°30''E.',8.58,22.94,106.5,109.52,0);
+INSERT INTO "area" VALUES('EPSG','4217','Vietnam - east of 106.5°E onshore','Vietnam - onshore east of 106°30''E.',8.57,22.95,106.5,109.53,0);
 INSERT INTO "area" VALUES('EPSG','4218','Vietnam - Quang Ninh; Da Nang, Quang Nam; Ba Ria-Vung Tau, Dong Nai, Lam Dong','Vietnam - Quang Ninh province; Da Nang municipality and Quang Nam province; Ba Ria-Vung Tau, Dong Nai and Lam Dong provinces.',8.57,21.67,106.43,108.76,0);
 INSERT INTO "area" VALUES('EPSG','4219','USA - Iowa - Mason City','United States (USA) - Iowa - counties of Cerro Gordo; Chickasaw; Floyd; Hancock; Howard; Mitchell; Winnebago; Winneshiek; Worth.',42.9,43.51,-93.98,-91.6,0);
 INSERT INTO "area" VALUES('EPSG','4220','Equatorial Guinea - Bioko','Equatorial Guinea - Bioko onshore.',3.14,3.82,8.37,9.02,0);
diff --git a/data/sql/customizations.sql b/data/sql/customizations.sql
index 98633045..99891dc1 100644
--- a/data/sql/customizations.sql
+++ b/data/sql/customizations.sql
@@ -82,3 +82,16 @@ INSERT INTO "helmert_transformation" VALUES('PROJ','WGS84_TO_WGS84_G1150','WGS 8
 INSERT INTO "helmert_transformation" VALUES('PROJ','WGS84_TO_WGS84_G1674','WGS 84 to WGS 84 (G1674)','','Accuracy 2m','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4326','EPSG','9056','EPSG','1262',2.0,0,0,0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'',0);
 INSERT INTO "helmert_transformation" VALUES('PROJ','WGS84_TO_WGS84_G1762','WGS 84 to WGS 84 (G1762)','','Accuracy 2m','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4326','EPSG','9057','EPSG','1262',2.0,0,0,0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'',0);
 INSERT INTO "helmert_transformation" VALUES('PROJ','WGS84_TO_WGS84_TRANSIT','WGS 84 to WGS 84 (Transit)','','Accuracy 2m','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4326','EPSG','8888','EPSG','1262',2.0,0,0,0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'',0);
+
+--- Remove a few supersessions ---
+
+-- TODO: remove this once https://github.com/OSGeo/proj-datumgrid/issues/55 is dealt with
+-- The following supersessions are for geoid2012, replaced by geoid2018
+-- but we don't have geoid2018 yet as PROJ grids, so remove for now those
+-- supersessions
+-- INSERT INTO "supersession" VALUES('grid_transformation','EPSG','6326','grid_transformation','EPSG','9229','EPSG');
+-- INSERT INTO "supersession" VALUES('grid_transformation','EPSG','7646','grid_transformation','EPSG','9230','EPSG');
+-- INSERT INTO "supersession" VALUES('grid_transformation','EPSG','7647','grid_transformation','EPSG','9231','EPSG');
+DELETE FROM supersession WHERE superseded_table_name = 'grid_transformation' AND superseded_auth_name = 'EPSG' AND superseded_code = '6326';
+DELETE FROM supersession WHERE superseded_table_name = 'grid_transformation' AND superseded_auth_name = 'EPSG' AND superseded_code = '7646';
+DELETE FROM supersession WHERE superseded_table_name = 'grid_transformation' AND superseded_auth_name = 'EPSG' AND superseded_code = '7647';
diff --git a/data/sql/grid_transformation.sql b/data/sql/grid_transformation.sql
index 222cce34..38d8ae0a 100644
--- a/data/sql/grid_transformation.sql
+++ b/data/sql/grid_transformation.sql
@@ -276,7 +276,7 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9114','NAD27 to NAD83(CSRS)v3 (
 INSERT INTO "grid_transformation" VALUES('EPSG','9115','NAD27 to NAD83(CSRS)v4 (10)','Derived through NAD83(CSRS)v4.','Spatial referencing.','EPSG','9615','NTv2','EPSG','4267','EPSG','8246','EPSG','4535',1.5,'EPSG','8656','Latitude and longitude difference file','BC_27_05.GSB',NULL,NULL,NULL,NULL,NULL,NULL,'GeoBC-Can BC mainland',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','9116','NAD83 to NAD83(CSRS)v2 (6)','Derived through NAD83(CSRS)v2. Replaced by NAD83 to NAD83(CSRS) (7) (CT code 9117) for CRD, NAD83 to NAD83(CSRS) (8) (CT code 9118) for north Vancouver Island and NAD83 to NAD83(CSRS) (9) (CT code 9119) for mainland.','Spatial referencing.','EPSG','9615','NTv2','EPSG','4269','EPSG','8237','EPSG','2832',0.1,'EPSG','8656','Latitude and longitude difference file','BC_93_98.GSB',NULL,NULL,NULL,NULL,NULL,NULL,'GeoBC-Can BC CSRSv2',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','9117','NAD83 to NAD83(CSRS)v3 (7)','Derived through NAD83(CSRS)v3.','Spatial referencing.','EPSG','9615','NTv2','EPSG','4269','EPSG','8240','EPSG','4533',0.1,'EPSG','8656','Latitude and longitude difference file','CRD93_00.GSB',NULL,NULL,NULL,NULL,NULL,NULL,'GeoBC-Can BC CRD',0);
-INSERT INTO "grid_transformation" VALUES('EPSG','9118','NAD27 to NAD83(CSRS)v3 (8)','Derived through NAD83(CSRS)v3.','Spatial referencing.','EPSG','9615','NTv2','EPSG','4269','EPSG','8240','EPSG','4534',0.1,'EPSG','8656','Latitude and longitude difference file','NVI93_05.GSB',NULL,NULL,NULL,NULL,NULL,NULL,'GeoBC-Can BC NVI',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9118','NAD83 to NAD83(CSRS)v3 (8)','Derived through NAD83(CSRS)v3.','Spatial referencing.','EPSG','9615','NTv2','EPSG','4269','EPSG','8240','EPSG','4534',0.1,'EPSG','8656','Latitude and longitude difference file','NVI93_05.GSB',NULL,NULL,NULL,NULL,NULL,NULL,'GeoBC-Can BC NVI',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','9119','NAD83 to NAD83(CSRS)v4 (9)','Derived through NAD83(CSRS)v4.','Spatial referencing.','EPSG','9615','NTv2','EPSG','4269','EPSG','8246','EPSG','4535',0.1,'EPSG','8656','Latitude and longitude difference file','BC_93_05.GSB',NULL,NULL,NULL,NULL,NULL,NULL,'GeoBC-Can BC mainland',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','9120','NAD83(CSRS)v2 to NAD83(CSRS)v3 (1)','','Spatial referencing.','EPSG','9615','NTv2','EPSG','8237','EPSG','8240','EPSG','4533',0.1,'EPSG','8656','Latitude and longitude difference file','CRD98_00.GSB',NULL,NULL,NULL,NULL,NULL,NULL,'GeoBC-Can BC CRD',0);
 INSERT INTO "grid_transformation" VALUES('EPSG','9121','NAD83(CSRS)v2 to NAD83(CSRS)v3 (2)','','Spatial referencing.','EPSG','9615','NTv2','EPSG','8237','EPSG','8240','EPSG','4534',0.1,'EPSG','8656','Latitude and longitude difference file','NVI98_05.GSB',NULL,NULL,NULL,NULL,NULL,NULL,'GeoBC-Can BC NVI',0);
@@ -310,6 +310,12 @@ INSERT INTO "grid_transformation" VALUES('EPSG','9175','NAD83(NSRS2007) to PRVD0
 INSERT INTO "grid_transformation" VALUES('EPSG','9176','NAD83(NSRS2007) to VIVD09 height (1)','Uses Geoid09 hybrid model. Replaced by Geoid12 model (CT code 7647).','Derivation of approximate gravity-related heights from GPS observations.','EPSG','9665','Geographic3D to GravityRelatedHeight (US .gtx)','EPSG','4893','EPSG','6642','EPSG','3330',0.05,'EPSG','8666','Geoid (height correction) model file','g2009p01.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Vir 09',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','9228','RGSPM06 to Danger 1950 height (2)','Accuracy 0.01m to 0.05m within onshore area. Replaces RGSPM06 to Danger 1950 height (1), CT code 9137.','Derivation of gravity-related heights from GPS observations.','EPSG','1073','Geographic3D to GravityRelatedHeight (IGN2009)','EPSG','4466','EPSG','5792','EPSG','1220',0.05,'EPSG','8666','Geoid (height correction) model file','RASPM2018.mnt',NULL,NULL,NULL,NULL,NULL,NULL,'IGN-SPM',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9229','NAD83(2011) to NAVD88 height (3)','Uses Geoid18 hybrid model. Replaces 12B model. See information source for further information.','Derivation of approximate gravity-related heights from GPS observations.','EPSG','9665','Geographic3D to GravityRelatedHeight (US .gtx)','EPSG','6319','EPSG','5703','EPSG','1323',0.015,'EPSG','8666','Geoid (height correction) model file','g2018u0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-US Conus 18',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9230','NAD83(2011) to PRVD02 height (2)','Uses Geoid18 hybrid model. Replaces 12B model. See information source for further information.','Derivation of approximate gravity-related heights from GPS observations.','EPSG','9665','Geographic3D to GravityRelatedHeight (US .gtx)','EPSG','6319','EPSG','6641','EPSG','3294',0.015,'EPSG','8666','Geoid (height correction) model file','g2018p0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Pri 12B',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9231','NAD83(2011) to VIVD09 height (2)','Uses Geoid18 hybrid model. Replaces 12B model. See information source for further information.','Derivation of approximate gravity-related heights from GPS observations.','EPSG','9665','Geographic3D to GravityRelatedHeight (US .gtx)','EPSG','6319','EPSG','6642','EPSG','3330',0.015,'EPSG','8666','Geoid (height correction) model file','g2018p0.bin',NULL,NULL,NULL,NULL,NULL,NULL,'NGS-Vir 18',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9232','ISN93 to ISN2016 (1)','Grid transformation based on Kriging between ISN93 and ISN2016. Accuracy is better than 5 cm in stable areas but can be around 25 cm in areas that have suffered deformation due to earthquake or volcanic eruption.','Spatial referencing.','EPSG','9615','NTv2','EPSG','4659','EPSG','8086','EPSG','1120',0.05,'EPSG','8656','Latitude and longitude difference file','ISN93_ISN2016.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'LMI-Isl',0);
+INSERT INTO "grid_transformation" VALUES('EPSG','9233','ISN2004 to ISN2016 (1)','Grid transformation based on Kriging between ISN2004 and ISN2016. Accuracy is better than 5 cm in stable areas but can be around 25 cm in areas that have suffered deformation due to earthquake or volcanic eruption.','Spatial referencing.','EPSG','9615','NTv2','EPSG','5324','EPSG','8086','EPSG','1120',0.05,'EPSG','8656','Latitude and longitude difference file','ISN2004_ISN2016.gsb',NULL,NULL,NULL,NULL,NULL,NULL,'LMI-Isl',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);
diff --git a/data/sql/helmert_transformation.sql b/data/sql/helmert_transformation.sql
index 6a7fceea..792a9bf2 100644
--- a/data/sql/helmert_transformation.sql
+++ b/data/sql/helmert_transformation.sql
@@ -966,8 +966,8 @@ INSERT INTO "helmert_transformation" VALUES('EPSG','7836','Pulkovo 1942(58) to A
 INSERT INTO "helmert_transformation" VALUES('EPSG','7892','SHGD2015 to WGS 84 (1)','SHGD2015 is realized by ITRF2008 at epoch 2015.0 and can be considered coincident with WGS 84 at epoch 2015.0 Accuracy 3 cm at 1/1/2015 then degrades by 3 cm/yr from 1/1/2015 depending upon epoch of WGS 84 due to motion of the Nubian Plate','For military purposes only. Accuracy 25m in each axis.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','7886','EPSG','4326','EPSG','3183',1.0,0.0,0.0,0.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ENRD-Shn Hel',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','7893','Astro DOS 71 to SHGD2015 (1)','Derived at 19 stations, RMS = 12cm. May be used as an approximate transformation to WGS 84 - see code 7894.','Medium Accuracy transformation to St Helena Geodetic Datum 2015.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4710','EPSG','7886','EPSG','3183',0.15,-323.65,551.39,-491.22,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ENRD-Shn Hel 0.15m',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','7894','Astro DOS 71 to WGS 84 (2)','Parameter values from Astro DOS 71 to SHGD2015 (1) (tfm code 7893). Assumes SHGD2015 and WGS 84 can be considered the same to within the accuracy of the transformation.','For applications requiring an accuracy of better than 1 metre.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4710','EPSG','4326','EPSG','3183',1.0,-323.65,551.39,-491.22,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ENRD-Shn Hel',0);
-INSERT INTO "helmert_transformation" VALUES('EPSG','7895','Astro DOS 71 to SHGD2015 (2)','Derived at 19 stations, RMS = 6cm. Note: Because of the large rotations about the Y- and Z-axes this transformation is not reversible. For the reverse transformation use SHGD2015 to Astro DOS 71 (2) (code 7896).','High Accuracy transformation to St Helena Geodetic Datum 2015. Not reversible - see remarks.','EPSG','9606','Position Vector transformation (geog2D domain)','EPSG','4710','EPSG','7886','EPSG','3183',0.1,-112.854,12.27,-18.913,'EPSG','9001',2.1692,16.8896,17.1961,'EPSG','9104',-19.54517,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ENRD-Shn Hel 0.1m',0);
-INSERT INTO "helmert_transformation" VALUES('EPSG','7896','SHGD2015 to Astro DOS 71 (2)','Derived at 19 stations, RMS = 6cm. Note: Because of the large rotations about the Y- and Z-axes this transformation is not reversible. For the reverse transformation use Astro DOS 71 to SHGD2015 (2) (code 7895).','High Accuracy transformation from St Helena Geodetic Datum 2015. Not reversible - see remarks.','EPSG','9606','Position Vector transformation (geog2D domain)','EPSG','4710','EPSG','4710','EPSG','3183',0.1,112.771,-12.282,18.935,'EPSG','9001',-2.1692,-16.8896,-17.1961,'EPSG','9104',19.54517,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ENRD-Shn Hel 0.1m Rev',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','7895','Astro DOS 71 to SHGD2015 (2)','Derived at 19 stations, RMS = 6cm. Note: Because of the large rotations about the Y- and Z-axes this transformation is not reversible. For the reverse transformation use SHGD2015 to Astro DOS 71 (2) (code 9226).','High Accuracy transformation to St Helena Geodetic Datum 2015. Not reversible - see remarks.','EPSG','9606','Position Vector transformation (geog2D domain)','EPSG','4710','EPSG','7886','EPSG','3183',0.1,-112.854,12.27,-18.913,'EPSG','9001',2.1692,16.8896,17.1961,'EPSG','9104',-19.54517,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ENRD-Shn Hel 0.1m',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','7896','SHGD2015 to Astro DOS 71 (2)','Derived at 19 stations, RMS = 6cm. Note: Because of the large rotations about the Y- and Z-axes this transformation is not reversible. For the reverse transformation use Astro DOS 71 to SHGD2015 (2) (code 7895).','High Accuracy transformation from St Helena Geodetic Datum 2015. Not reversible - see remarks.','EPSG','9606','Position Vector transformation (geog2D domain)','EPSG','4710','EPSG','4710','EPSG','3183',0.1,112.771,-12.282,18.935,'EPSG','9001',-2.1692,-16.8896,-17.1961,'EPSG','9104',19.54517,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ENRD-Shn Hel 0.1m Rev',1);
 INSERT INTO "helmert_transformation" VALUES('EPSG','7897','St. Helena Tritan to SHGD2015 (1)','Derived at 19 stations, RMS = 5cm. May be used as an approximate transformation to WGS 84 - see code 7898.','High Accuracy transformation to St Helena Geodetic Datum 2015.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','7881','EPSG','7886','EPSG','3183',0.05,-0.077,0.079,0.086,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ENRD-Shn Hel',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','7898','St. Helena Tritan to WGS 84 (1)','Parameter values from Tritan St. Helena to SHGD2015 (1) (tfm code 7897). Assumes Tritan St. Helena and SHGD2015 can be considered the same to within the accuracy of the transformation.','For applications requiring an accuracy of better than 1 metre.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','7881','EPSG','4326','EPSG','3183',1.0,-0.077,0.079,0.086,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ENRD-Shn Hel',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','7932','ITRF89 to ETRF89 (1)','Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m.','Definition of ETRF89.','EPSG','1053','Time-dependent Position Vector tfm (geocentric)','EPSG','4911','EPSG','7914','EPSG','1298',0.0,0.0,0.0,0.0,'EPSG','1033',0.0,0.0,0.0,'EPSG','1031',0.0,'EPSG','1028',0.0,0.0,0.0,'EPSG','1034',0.11,0.57,-0.71,'EPSG','1032',0.0,'EPSG','1030',1989.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'EUREF-Eur',0);
@@ -992,7 +992,7 @@ INSERT INTO "helmert_transformation" VALUES('EPSG','7950','ITRF2005 to ETRF2000
 INSERT INTO "helmert_transformation" VALUES('EPSG','7951','ITRF2008 to ETRF2000 (1)','Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m.','Realization of ETRS89 from ITRF2008 through ETRF2000.','EPSG','1053','Time-dependent Position Vector tfm (geocentric)','EPSG','5332','EPSG','7930','EPSG','1298',0.0,52.1,49.3,-58.5,'EPSG','1025',0.891,5.39,-8.712,'EPSG','1031',1.34,'EPSG','1028',0.1,0.1,-1.8,'EPSG','1027',0.081,0.49,-0.792,'EPSG','1032',0.08,'EPSG','1030',2000.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'EUREF-Eur 2000',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','7960','PZ-90.11 to ITRF2008 (1)','','Geodesy.','EPSG','1066','Time-specific Coordinate Frame rotation (geocen)','EPSG','7679','EPSG','5332','EPSG','1262',0.004,-0.003,-0.001,0.0,'EPSG','9001',0.019,-0.042,0.002,'EPSG','1031',0.0,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,2010.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'MTD-Rus',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','7961','WGS 84 (G1150) to PZ-90.02 (1)','','Geodesy.','EPSG','1066','Time-specific Coordinate Frame rotation (geocen)','EPSG','7660','EPSG','7677','EPSG','1262',0.17,0.36,-0.08,-0.18,'EPSG','9001',0.0,0.0,0.0,'EPSG','1031',0.0,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,2002.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'MTD-Rus',0);
-INSERT INTO "helmert_transformation" VALUES('EPSG','8048','GDA94 to GDA2020 (1)','Scale difference in ppb where 1/billion = 1E-9. Derivation excluded Cocos, Christmas and Macquarie Islands but is applied there. See codes 8444-46 for equivalents using NTv2 method. See code 8447 for alternative including distortion model for Aus only.','Conformal transformation of GDA94 coordinates that have been derived through GNSS CORS.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4283','EPSG','7844','EPSG','4177',0.01,61.55,-10.87,-40.19,'EPSG','1025',-39.4924,-32.7221,-32.8979,'EPSG','1031',-9.994,'EPSG','1028',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','8048','GDA94 to GDA2020 (1)','Scale difference in ppb where 1/billion = 1E-9. See CT codes 8444-46 for NTv2 method giving equivalent results for Christmas Island, Cocos Islands and Australia respectively. See CT code 8447 for alternative including distortion model for Australia only.','Conformal transformation of GDA94 coordinates that have been derived through GNSS CORS.','EPSG','9607','Coordinate Frame rotation (geog2D domain)','EPSG','4283','EPSG','7844','EPSG','4177',0.01,61.55,-10.87,-40.19,'EPSG','1025',-39.4924,-32.7221,-32.8979,'EPSG','1031',-9.994,'EPSG','1028',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ICSM-Aus',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','8049','ITRF2014 to GDA2020 (1)','Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. Derived at 109 stations of the Australian Reginal GNSS network (ARGN).','Geodesy. RMS residuals 26mm north, 12mm east and 179mm vertical, maximum residuals 49mm north, 24mm east and 464mm vertical.','EPSG','1056','Time-dependent Coordinate Frame rotation (geocen)','EPSG','7789','EPSG','7842','EPSG','4177',0.001,0.0,0.0,0.0,'EPSG','1025',0.0,0.0,0.0,'EPSG','1031',0.0,'EPSG','1028',0.0,0.0,0.0,'EPSG','1027',1.50379,1.18346,1.20716,'EPSG','1032',0.0,'EPSG','1030',2020.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'GA-Aus',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','8069','ITRF88 to ITRF2014 (1)','Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. Derived by IERS from previously published information.','Geodesy','EPSG','1053','Time-dependent Position Vector tfm (geocentric)','EPSG','4910','EPSG','7789','EPSG','1262',0.01,-25.4,0.5,154.8,'EPSG','1025',-0.1,0.0,-0.26,'EPSG','1031',-11.29,'EPSG','1028',-0.1,0.5,3.3,'EPSG','1027',0.0,0.0,-0.02,'EPSG','1032',-0.12,'EPSG','1030',2010.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'IERS-Wld',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','8070','ITRF89 to ITRF2014 (1)','Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. Derived by IERS from previously published information.','Geodesy','EPSG','1053','Time-dependent Position Vector tfm (geocentric)','EPSG','4911','EPSG','7789','EPSG','1262',0.01,-30.4,-35.5,130.8,'EPSG','1025',0.0,0.0,-0.26,'EPSG','1031',-8.19,'EPSG','1028',-0.1,0.5,3.3,'EPSG','1027',0.0,0.0,-0.02,'EPSG','1032',-0.12,'EPSG','1030',2010.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'IERS-Wld',0);
@@ -1011,7 +1011,7 @@ INSERT INTO "helmert_transformation" VALUES('EPSG','8258','ITRF94 to NAD83(CSRS9
 INSERT INTO "helmert_transformation" VALUES('EPSG','8259','ITRF96 to NAD83(CSRS)v2 (1)','Jointly derived by Canada and US at 12 North American VLBI stations. Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. See tfm code 6864 for US equivalent.','Geodesy. Defines NAD83(CSRS98) = NAD83(CSRS)v2 and is therefore treated as errorless.','EPSG','1053','Time-dependent Position Vector tfm (geocentric)','EPSG','4917','EPSG','8233','EPSG','1061',0.0,0.991,-1.9072,-0.5129,'EPSG','9001',-25.79,-9.65,-11.66,'EPSG','1031',0.0,'EPSG','1028',0.0,0.0,0.0,'EPSG','1042',-0.0532,0.7423,0.0316,'EPSG','1032',0.0,'EPSG','1030',1997.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'NRC-Can CSRSv2',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','8260','ITRF97 to NAD83(CSRS)v3 (1)','Concatenation of joint Canada-US transformation NAD83>ITRF96 (see tfm code 8259) and IGS value for ITRF96>ITRF97 transformation. Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. See tfm 6865 for US equivalent.','Geodesy. Defines NAD83(CSRS)v3 and is therefore treated as errorless.','EPSG','1053','Time-dependent Position Vector tfm (geocentric)','EPSG','4918','EPSG','8238','EPSG','1061',0.0,0.9889,-1.9074,-0.503,'EPSG','9001',-25.915,-9.426,-11.599,'EPSG','1031',-0.935,'EPSG','1028',0.0007,-0.0001,0.0019,'EPSG','1042',-0.067,0.757,0.031,'EPSG','1032',-0.192,'EPSG','1030',1997.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'NRC-Can CSRSv3',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','8261','ITRF2000 to NAD83(CSRS)v4 (1)','Concatenation of joint Canada-US NAD83>ITRF96 tfm (code 8259) with IGS value of ITRF96>ITRF97 and IERS tfm ITRF97>ITRF2000. Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. See tfm code 6866 for US equivalent.','Geodesy. Defines NAD83(CSRS)v4 and is therefore treated as errorless.','EPSG','1053','Time-dependent Position Vector tfm (geocentric)','EPSG','4919','EPSG','8242','EPSG','1061',0.0,0.9956,-1.9013,-0.5214,'EPSG','9001',-25.915,-9.426,-11.599,'EPSG','1031',0.615,'EPSG','1028',0.0007,-0.0007,0.0005,'EPSG','1042',-0.067,0.757,0.051,'EPSG','1032',-0.182,'EPSG','1030',1997.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'NRC-Can CSRSv4',0);
-INSERT INTO "helmert_transformation" VALUES('EPSG','8262','ITRF2005 to NAD83(CSRS)v5 (1)','Concatenation of joint Canada-US NAD83>ITRF96 transformation (code 8259) with IGS value for ITRF96>ITRF97 and IERS transformations ITRF97>ITRF2005. Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m.','Geodesy. Defines NAD83(CSRS)v5 and is therefore treated as errorless.','EPSG','1053','Time-dependent Position Vector tfm (geocentric)','EPSG','4896','EPSG','8248','EPSG','1061',0.0,0.9963,-1.9024,-0.5219,'EPSG','9001',-25.915,-9.426,-11.599,'EPSG','1031',0.775,'EPSG','1028',0.0005,-0.0006,-0.0013,'EPSG','1042',-0.067,0.757,0.051,'EPSG','1032',-0.102,'EPSG','1030',1997.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'NRC-Can CSRSv5',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','8262','ITRF2005 to NAD83(CSRS)v5 (1)','Concatenation of joint Canada-US NAD83>ITRF96 transformation (code 8259) with IGS value for ITRF96>ITRF97 and IERS transformations ITRF97>ITRF2005. Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m.','Geodesy. Defines NAD83(CSRS)v5 and is therefore treated as errorless.','EPSG','1053','Time-dependent Position Vector tfm (geocentric)','EPSG','4896','EPSG','8248','EPSG','1061',0.0,0.9963,-1.9024,-0.5219,'EPSG','9001',-25.915,-9.426,-11.599,'EPSG','1031',0.775,'EPSG','1028',0.0005,-0.0006,-0.0013,'EPSG','1042',-0.067,0.757,0.051,'EPSG','1032',-0.102,'EPSG','1030',1997.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'NRC-Can CSRSv5',1);
 INSERT INTO "helmert_transformation" VALUES('EPSG','8264','ITRF2008 to NAD83(CSRS)v6 (1)','Concatenation of joint Canada-US transformation NAD83>ITRF96 (code 8259) with IGS tfm ITRF96>97 and IERS tfms ITRF97>2008. Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. See tfm code 7807 for US equivalent.','Geodesy. Defines NAD83(CSRS)v6 and is therefore treated as errorless.','EPSG','1053','Time-dependent Position Vector tfm (geocentric)','EPSG','5332','EPSG','8250','EPSG','1061',0.0,0.99343,-1.90331,-0.52655,'EPSG','9001',-25.91467,-9.42645,-11.59935,'EPSG','1031',1.71504,'EPSG','1028',0.00079,-0.0006,-0.00134,'EPSG','1042',-0.06667,0.75744,0.05133,'EPSG','1032',-0.102,'EPSG','1030',1997.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'NRC-Can CSRSv6',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','8265','ITRF2014 to NAD83(CSRS)v7 (1)','Concatenation of joint Canada-US tfm NAD83>ITRF96 (see tfm code 8259) with IGS value for ITRF96>ITRF97 and IERS values for ITRF97>ITRF2014 transformations. Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m.','Geodesy. Defines NAD83(CSRS)v7 and is therefore treated as errorless.','EPSG','1053','Time-dependent Position Vector tfm (geocentric)','EPSG','7789','EPSG','8253','EPSG','1061',0.0,1.0053,-1.9092,-0.5416,'EPSG','9001',-26.7814,0.4203,-10.9321,'EPSG','1031',0.37,'EPSG','1028',0.0008,-0.0006,-0.0014,'EPSG','1042',-0.0667,0.7574,0.0513,'EPSG','1032',-0.07,'EPSG','1030',2010.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'NRC-Can CSRSv7',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','8270','Saint Pierre et Miquelon 1950 to WGS 84 (2)','Replaces Saint Pierre et Miquelon 1950 to WGS 84 (1) (code 1923) from March 2006.','Accuracy +/- 0.5 to 1 metre.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4638','EPSG','4326','EPSG','3299',1.0,11.363,424.148,373.13,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'IGN-Spm 2017',0);
@@ -1166,6 +1166,8 @@ INSERT INTO "helmert_transformation" VALUES('EPSG','9189','WGS 84 to IG05/12 Int
 INSERT INTO "helmert_transformation" VALUES('EPSG','9223','WGS 84 to ETRS89 (2)','Parameter values derived from ITRF2008 to ETRF2000 (1), code 7951, as a time-specific transformation @2014.81, assuming ITRF2008 = WGS 84 (G1762) = WGS 84 and ETRF2000 = ETRS89.','Oil and gas exploration and production.','EPSG','1065','Time-specific Position Vector transform (geocen)','EPSG','4936','EPSG','4978','EPSG','4566',0.1,0.054,0.051,-0.085,'EPSG','9001',0.0021,0.0126,-0.0204,'EPSG','9104',0.0025,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,2014.81,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'ONE-Deu/Nld 2014.81',1);
 INSERT INTO "helmert_transformation" VALUES('EPSG','9224','ED50 to ETRS89 (15)','Parameter values from ED50 to WGS 84 (36) assuming that ETRS89 is equivalent to WGS 84 at epoch 1989.00..','Oil and gas exploration and production..','EPSG','9606','Position Vector transformation (geog2D domain)','EPSG','4230','EPSG','4258','EPSG','4566',1.0,-157.89,-17.16,-78.41,'EPSG','9001',2.118,2.697,-1.434,'EPSG','9104',-5.38,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ONE-Ger Nsea',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','9225','WGS 84 to ETRS89 (2)','Parameter values derived from ITRF2008 to ETRF2000 (1), code 7951, as a time-specific transformation @2014.81, assuming ITRF2008 = WGS 84 (G1762) = WGS 84 and ETRF2000 = ETRS89.','Oil and gas exploration and production.','EPSG','1065','Time-specific Position Vector transform (geocen)','EPSG','4978','EPSG','4936','EPSG','4566',0.1,0.054,0.051,-0.085,'EPSG','9001',0.0021,0.0126,-0.0204,'EPSG','9104',0.0025,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,2014.81,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'ONE-Deu/Nld 2014.81',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','9226','SHGD2015 to Astro DOS 71 (2)','Derived at 19 stations, RMS = 6cm. Note: Because of the large rotations about the Y- and Z-axes this transformation is not reversible. For the reverse transformation use Astro DOS 71 to SHGD2015 (2) (code 7895).','High Accuracy transformation from St Helena Geodetic Datum 2015. Not reversible - see remarks.','EPSG','9606','Position Vector transformation (geog2D domain)','EPSG','7886','EPSG','4710','EPSG','3183',0.1,112.771,-12.282,18.935,'EPSG','9001',-2.1692,-16.8896,-17.1961,'EPSG','9104',19.54517,'EPSG','9202',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ENRD-Shn Hel 0.1m Rev',0);
+INSERT INTO "helmert_transformation" VALUES('EPSG','9227','ITRF2005 to NAD83(CSRS)v5 (1)','Concatenation of joint Canada-US NAD83>ITRF96 transformation (code 8259) with IGS value for ITRF96>ITRF97 and IERS transformations ITRF97>ITRF2005. Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m.','Geodesy. Defines NAD83(CSRS)v5 and is therefore treated as errorless.','EPSG','1053','Time-dependent Position Vector tfm (geocentric)','EPSG','4896','EPSG','8247','EPSG','1061',0.0,0.9963,-1.9024,-0.5219,'EPSG','9001',-25.915,-9.426,-11.599,'EPSG','1031',0.775,'EPSG','1028',0.0005,-0.0006,-0.0013,'EPSG','1042',-0.067,0.757,0.051,'EPSG','1032',-0.102,'EPSG','1030',1997.0,'EPSG','1029',NULL,NULL,NULL,NULL,NULL,'NRC-Can CSRSv5',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','10085','Trinidad 1903 to WGS 84 (2)','Parameter values provided to EOG by Trinidad Ministry of Energy and Energy Industries. Used by EOG offshore Trinidad (including Pelican, Kiskadee and Ibis fields) since 1996.','Oil exploration.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4302','EPSG','4326','EPSG','1339',3.0,-61.0,285.2,471.6,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EOG-Tto Trin',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','10086','JAD69 to WGS 72 (1)','Derived in 1977 through Transit observations at 2 stations by US DMA.','For military mapping.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4242','EPSG','4322','EPSG','3342',15.0,48.0,208.0,382.0,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'SD-Jam',0);
 INSERT INTO "helmert_transformation" VALUES('EPSG','10089','Aratu to WGS 84 (5)','Used by ExxonMobil for block BMS1. See WGS 84 (13) (tfm code 5051) which Petrobras now recommends for the area.','Oil exploration.','EPSG','9603','Geocentric translations (geog2D domain)','EPSG','4208','EPSG','4326','EPSG','2962',7.0,-163.466,317.396,-147.538,'EPSG','9001',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'EXM-Bra Santos',0);
diff --git a/data/sql/metadata.sql b/data/sql/metadata.sql
index 15a103de..ce7100f1 100644
--- a/data/sql/metadata.sql
+++ b/data/sql/metadata.sql
@@ -1,2 +1,2 @@
-INSERT INTO "metadata" VALUES('EPSG.VERSION', 'v9.8.2');
-INSERT INTO "metadata" VALUES('EPSG.DATE', '2019-09-23');
+INSERT INTO "metadata" VALUES('EPSG.VERSION', 'v9.8.3');
+INSERT INTO "metadata" VALUES('EPSG.DATE', '2019-10-11');
diff --git a/data/sql/supersession.sql b/data/sql/supersession.sql
index 47db088d..e1d39e08 100644
--- a/data/sql/supersession.sql
+++ b/data/sql/supersession.sql
@@ -196,3 +196,7 @@ INSERT INTO "supersession" VALUES('grid_transformation','EPSG','5506','grid_tran
 INSERT INTO "supersession" VALUES('grid_transformation','EPSG','5503','grid_transformation','EPSG','9133','EPSG');
 INSERT INTO "supersession" VALUES('grid_transformation','EPSG','5505','grid_transformation','EPSG','9188','EPSG');
 INSERT INTO "supersession" VALUES('grid_transformation','EPSG','5508','grid_transformation','EPSG','9187','EPSG');
+INSERT INTO "supersession" VALUES('grid_transformation','EPSG','9137','grid_transformation','EPSG','9228','EPSG');
+INSERT INTO "supersession" VALUES('grid_transformation','EPSG','6326','grid_transformation','EPSG','9229','EPSG');
+INSERT INTO "supersession" VALUES('grid_transformation','EPSG','7646','grid_transformation','EPSG','9230','EPSG');
+INSERT INTO "supersession" VALUES('grid_transformation','EPSG','7647','grid_transformation','EPSG','9231','EPSG');