Add OSTN15 to QGIS 2.16

As you may be aware, the United Kingdom has a new transformation model that is OSTN15…..But why? What does it mean to the geospatial community? Without being too nerdy, tectonic plate movement means that the “model” surface (the geoid) is slowly moving from best fit for the coordinate system. It has been 13yrs since Ordnance […]