1 files changed, 5 insertions, 3 deletions
diff --git a/data/sql/concatenated_operation.sql b/data/sql/concatenated_operation.sql
index 557dd968..723b5323 100644
--- a/data/sql/concatenated_operation.sql
+++ b/data/sql/concatenated_operation.sql
@@ -13,7 +13,7 @@ INSERT INTO "concatenated_operation" VALUES('EPSG','5838','Lisbon (Lisbon) to WG
 INSERT INTO "concatenated_operation" VALUES('EPSG','6714','Tokyo to JGD2011 (1)','See Tokyo to JGD2011 (2) (code 6740) for areas other than northern Honshu.','Surveying, mapping and civil engineering.','EPSG','4301','EPSG','6668','EPSG','4170',NULL,'OGP-Jpn N Honshu',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','6739','NAD27 to NAD83(HARN) (22)','May be taken as approximate transformation NAD27 to WGS 84 - see code 8622.','Accuracy at 67% confidence level is 0.2m.','EPSG','4267','EPSG','4152','EPSG','1410',NULL,'NGS-Usa SD',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','6874','Tananarive (Paris) to WGS 84 (2)','Used by OMV.','For applications with an accuracy of 3m.','EPSG','4810','EPSG','4326','EPSG','3273',NULL,'OGP-Mdg',0);
-INSERT INTO "concatenated_operation" VALUES('EPSG','7811','NTF (Paris) to RGF93 (2)','Second step is an emulation using NTv2 method of geocentric Interpolation method described in tfm code 7810. Note that the grid file parameters are of opposite sign.','Approximation to better than 1m of transformation of coordinates referenced to NTF (Paris) to RGF93.','EPSG','4807','EPSG','4171','EPSG','3694',NULL,'IOGP-Fra NTv2',0);
+INSERT INTO "concatenated_operation" VALUES('EPSG','7811','NTF (Paris) to RGF93 (2)','Second step is an emulation (using the NTv2 method) of the geocentric Interpolation method described in tfm code 9337. Note that the grid file parameters are of opposite sign.','Approximation to better than 1m of transformation of coordinates referenced to NTF (Paris) to RGF93.','EPSG','4807','EPSG','4171','EPSG','3694',NULL,'IOGP-Fra NTv2',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','7965','Poolbeg height (ft(Br36)) to Malin Head height (1)','','Change of height to a different vertical reference surface for topographic mapping. Accuracy 0.1m.','EPSG','5754','EPSG','5731','EPSG','1305',NULL,'1',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','7967','Poolbeg height (ft(Br36)) to Belfast height (1)','','Change of height to a different vertical reference surface for topographic mapping and engineering survey. Accuracy 0.1m.','EPSG','5754','EPSG','5732','EPSG','1305',NULL,'1',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','7973','NGVD29 height (ftUS) to NAVD88 height (1)','','Change of height to a different vertical reference surface and unit. Accuracy 2cm.','EPSG','5702','EPSG','5703','EPSG','2950',NULL,'IOGP - US Conus W',0);
@@ -137,7 +137,7 @@ INSERT INTO "concatenated_operation" VALUES('EPSG','8581','PSD93 to WGS 84 (2)',
 INSERT INTO "concatenated_operation" VALUES('EPSG','8582','Old Hawaiian to WGS 84 (2)','Transformation steps are from Old Hawaiian to NAD83(HARN) (1) (code 8508) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.','Approximation at the +/- 1m level.','EPSG','4135','EPSG','4326','EPSG','1334',NULL,'EPSG-Usa Hi',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','8583','Puerto Rico to WGS 84 (2)','Transformation steps are from Puerto Rico to NAD83(HARN) (1) (code 4435) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.','Approximation at the +/- 1m level.','EPSG','4139','EPSG','4326','EPSG','3634',NULL,'EPSG-PRVI',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','8584','NAD27 to NAD83(CSRS98) (3)','Can be taken as an approximate transformation NAD27 to WGS 84 - see code 8585.','Accuracy 1-2 metres.','EPSG','4267','EPSG','4140','EPSG','2376',NULL,'EPSG-Can AB',1);
-INSERT INTO "concatenated_operation" VALUES('EPSG','8585','NAD27 to WGS 84 (36)','Steps based on concatenated transformation NAD27 to NAD83(CSRS) (3) (code 8635) assuming that NAD83(CSRS) is equivalent to WGS 84.','Approximation at the +/- 1m level.','EPSG','4267','EPSG','4326','EPSG','2376',NULL,'EPSG-Can AB',0);
+INSERT INTO "concatenated_operation" VALUES('EPSG','8585','NAD27 to WGS 84 (36)','Steps based on concatenated transformation NAD27 to NAD83(CSRS)v4 (3) (code 9336) assuming that NAD83(CSRS)v4 is equivalent to WGS 84.','Approximation at the +/- 1m level.','EPSG','4267','EPSG','4326','EPSG','2376',NULL,'EPSG-Can AB',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','8586','NAD27 to NAD83(HARN) (38)','May be taken as approximate transformation NAD27 to WGS 84 - see code 8592.','Accuracy at 67% confidence level is 0.2m.','EPSG','4267','EPSG','4152','EPSG','1374',NULL,'NGS-Usa AR',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','8587','NAD27 to NAD83(HARN) (39)','May be taken as approximate transformation NAD27 to WGS 84 - see code 8600.','Accuracy at 67% confidence level is 0.2m.','EPSG','4267','EPSG','4152','EPSG','1384',NULL,'NGS-Usa IA',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','8588','NAD27 to NAD83(HARN) (40)','May be taken as approximate transformation NAD27 to WGS 84 - see code 8608.','Accuracy at 67% confidence level is 0.2m.','EPSG','4267','EPSG','4152','EPSG','1392',NULL,'NGS-Usa MN',0);
@@ -187,7 +187,7 @@ INSERT INTO "concatenated_operation" VALUES('EPSG','8631','Garoua to WGS 84 (1)'
 INSERT INTO "concatenated_operation" VALUES('EPSG','8632','Kousseri to WGS 84 (1)','','Oil industry.','EPSG','4198','EPSG','4326','EPSG','2591',NULL,'EPSG-Cmr',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','8633','Yoff to WGS 84 (1)','Derived via WGS72. Can be used as a single positon vector transformation with parameter vaues of dX = -37 m, dY = +157 m, dZ = +89.5 m, rX = rY = 0 sec, rZ = 0.554 sec, dS = 0.219 ppm','Military purposes.','EPSG','4310','EPSG','4326','EPSG','1207',NULL,'EPSG-SEN',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','8634','Beduaram to WGS 84 (1)','Derived via WGS72BE. Can be used as a single positon vector transformation with parameter vaues of dX = -101 m, dY = -111 m, dZ = +188.9 m, rX = rY = 0 sec, rZ = 0.814 sec, dS = -0.38 ppm','Oil exploration.','EPSG','4213','EPSG','4326','EPSG','2771',NULL,'ELF-Ner SE',0);
-INSERT INTO "concatenated_operation" VALUES('EPSG','8635','NAD27 to NAD83(CSRS) (3)','Can be taken as an approximate transformation NAD27 to WGS 84 - see code 8585.','Accuracy 1-2 metres.','EPSG','4267','EPSG','4617','EPSG','2376',NULL,'EPSG-Can AB',0);
+INSERT INTO "concatenated_operation" VALUES('EPSG','8635','NAD27 to NAD83(CSRS) (3)','Can be taken as an approximate transformation NAD27 to WGS 84 - see code 8585.','Accuracy 1-2 metres.','EPSG','4267','EPSG','4617','EPSG','2376',NULL,'EPSG-Can AB',1);
 INSERT INTO "concatenated_operation" VALUES('EPSG','8636','Carthage (Paris) to WGS 84 (1)','','For military purposes.','EPSG','4816','EPSG','4326','EPSG','1618',NULL,'EPSG-Tun',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','8637','Lisbon (Lisbon) to WGS 84 (1)','','For applications to an accuracy of 2 metres.','EPSG','4803','EPSG','4326','EPSG','1294',NULL,'EPSG-Prt',1);
 INSERT INTO "concatenated_operation" VALUES('EPSG','8638','Makassar (Jakarta) to WGS 84 (1)','','Oil exploration.','EPSG','4804','EPSG','4326','EPSG','1316',NULL,'EPSG - Idn Sul SW',0);
@@ -210,3 +210,5 @@ INSERT INTO "concatenated_operation" VALUES('EPSG','8656','Mhast (offshore) to W
 INSERT INTO "concatenated_operation" VALUES('EPSG','8657','Egypt Gulf of Suez S-650 TL to WGS 84 (1)','Can be implemented as a single positon vector transformation with parameter vaues of dX = -123.0 m, dY = 98.0 m, dZ = 3.9 m, rX = rY = 0 sec, rZ = 0.814 sec, dS = -0.38 ppm. Replaced by Egypt Gulf of Suez S-650 TL to WGS 84 (2) (tfm code 15846).','Oil industry exploration and production between 1980 and 1984.','EPSG','4706','EPSG','4326','EPSG','2341',NULL,'OGP-Egy GoS',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','8659','Kertau (RSO) to WGS 84 (1)','Step 1 is necessary to rescale the grid units before using step 2.','For transformation of MRT68 RSO coordinates.','EPSG','4751','EPSG','4326','EPSG','1309',NULL,'OGP-Mys',0);
 INSERT INTO "concatenated_operation" VALUES('EPSG','9103','NAD27 to ITRF2014 (1)','For use with legacy data - see CT code 9104 for alternative for new areas. Note that steps 1 and 2 are documented in the geog2D domain, steps 3 and 4 in the geocentric domain. Steps 3 and 4 may be implemented in one operation using CT code 8970.','Oil and gas exploration and production.','EPSG','4267','EPSG','7789','EPSG','3357',NULL,'IOGP-Usa GoM legacy',0);
+INSERT INTO "concatenated_operation" VALUES('EPSG','9336','NAD27 to NAD83(CSRS)v4 (3)','Can be taken as an approximate transformation NAD27 to WGS 84 - see code 8585.','Accuracy 1-2 metres.','EPSG','4267','EPSG','8246','EPSG','2376',NULL,'EPSG-Can AB',0);
+INSERT INTO "concatenated_operation" VALUES('EPSG','9337','NTF (Paris) to RGF93 (1)','See transformation code 7811 for an alternative which uses the NTv2 method as an emulation of the geocentric interpolation in the second step.','Transformation of coordinates referenced to NTF (Paris) to RGF93.','EPSG','4807','EPSG','4171','EPSG','3694',NULL,'IOGP-Fra',0);