2 files changed, 13 insertions, 0 deletions
diff --git a/data/sql/grid_alternatives.sql b/data/sql/grid_alternatives.sql
index 8d20a4bd..0b8746fa 100644
--- a/data/sql/grid_alternatives.sql
+++ b/data/sql/grid_alternatives.sql
@@ -138,6 +138,7 @@ VALUES
 -- Spain
 ('100800401.gsb','es_cat_icgc_100800401.tif','100800401.gsb','GTiff','hgridshift',0,NULL,'https://cdn.proj.org/es_cat_icgc_100800401.tif',1,1,NULL),
 ('SPED2ETV2.gsb','es_ign_SPED2ETV2.tif',NULL,'GTiff','hgridshift',0,NULL,'https://cdn.proj.org/es_ign_SPED2ETV2.tif',1,1,NULL),
+('EGM08_REDNAP.asc','es_ign_egm08-rednap.tif',NULL,'GTiff','geoid_like',0,NULL,'https://cdn.proj.org/es_ign_egm08-rednap.tif',1,1,NULL),
 -- Portugal
 ('DLx_ETRS89_geo.gsb','pt_dgt_DLx_ETRS89_geo.tif','DLx_ETRS89_geo.gsb','GTiff','hgridshift',0,NULL,'https://cdn.proj.org/pt_dgt_DLx_ETRS89_geo.tif',1,1,NULL),
 ('D73_ETRS89_geo.gsb','pt_dgt_D73_ETRS89_geo.tif','D73_ETRS89_geo.gsb','GTiff','hgridshift',0,NULL,'https://cdn.proj.org/pt_dgt_D73_ETRS89_geo.tif',1,1,NULL),
diff --git a/data/sql/grid_transformation_custom.sql b/data/sql/grid_transformation_custom.sql
index 38210c00..e04f3ace 100644
--- a/data/sql/grid_transformation_custom.sql
+++ b/data/sql/grid_transformation_custom.sql
@@ -84,3 +84,15 @@ INSERT INTO "grid_transformation" VALUES(
     NULL,
     'EPSG','8666','Geoid (height correction) model file','Icegeoid_ISN2016.gtx',
     NULL,NULL,NULL,NULL,NULL,NULL,NULL,0);
+-- Spain
+
+INSERT INTO "grid_transformation" VALUES(
+    'PROJ','EPSG_4937_TO_EPSG_5782','ETRS89 to Alicante height',
+    NULL,NULL,
+    'EPSG','9665','Geographic3D to GravityRelatedHeight (gtx)',
+    'EPSG','4937', -- source CRS (ETRS89 geographic 3D)
+    'EPSG','5782', -- target CRS (Alicante height)
+    'EPSG','2366', -- area of use: Spain - mainland onshore
+    NULL,
+    'EPSG','8666','Geoid (height correction) model file','EGM08_REDNAP.asc',
+    NULL,NULL,NULL,NULL,NULL,NULL,NULL,0);