Well Known Text
 
WKT Version 2
COORDINATEOPERATION["CSRN2025 (NAD83 2011) to COH88 2025 (NAVD88) height (3)",VERSION["NGS-US Conus 18"],SOURCECRS[GEOGCRS["CSRN epoch 2025.0 (NAD83 2011)",DATUM["California Spatial Reference Network epoch 2025.0 (NAD83 2011)",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7019]],ANCHOREPOCH[2025],ID["EPSG",1414]],CS[ellipsoidal,3,ID["EPSG",6423]],AXIS["Geodetic latitude (Lat)",north,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]],AXIS["Geodetic longitude (Lon)",east,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]],AXIS["Ellipsoidal height (h)",up,LENGTHUNIT["metre",1,ID["EPSG",9001]]],ID["EPSG",10909]]],TARGETCRS[VERTCRS["COH88 2025 (NAVD88) height",VDATUM["Derived California Orthometric Heights of 1988 epoch 2025",ID["EPSG",1416]],CS[vertical,1,ID["EPSG",6499]],AXIS["Gravity-related height (H)",up],LENGTHUNIT["metre",1,ID["EPSG",9001]],GEOIDMODEL["CSRN2025 (NAD83 2011) to COH88 2025 (NAVD88) height (3)",ID["EPSG",10927]],ID["EPSG",10918]]],METHOD["Geographic3D to GravityRelatedHeight (NGS bin)",ID["EPSG",1134]],PARAMETERFILE["Geoid (height correction) model file","g2018u0.bin",ID["EPSG",8666]],OPERATIONACCURACY[0.015],ID["EPSG",10927]]


