Coordinate transformations to SHGD2015

The EPSG Geodetic Parameter Dataset defines official transformations from 2 coordinate reference systems to SHGD2015 (EPSG:7886). Each page lists the published parameters, accuracy and area of use, with a free in-browser converter.

• Astro DOS 71 → SHGD2015±0.1 m
• St. Helena Tritan → SHGD2015±0.05 m