EPSG_3058: "+proj=tmerc +lat_0=0 +lon_0=-8.5 +k=1 +x_0=50000 +y_0=-7800000 +ellps=intl +towgs84=982.6087,552.753,-540.873,32.39344,-153.25684,-96.2266,16.805 +units=m +no_defs +type=crs" = '+proj=tmerc +lat_0=0 +lon_0=-8.5 +k=1 +x_0=50000 +y_0=-7800000 +ellps=intl +towgs84=982.6087,552.753,-540.873,32.39344,-153.25684,-96.2266,16.805 +units=m +no_defs +type=crs'
Helle 1954 / Jan Mayen Grid
metre171.24,-9.17,70.75,-7.87