definition for: #SEIAD

Remeasuring the Entire Planet as a Community in a Single Day 📣WHAT IS IT? On the day of the solstice June 20, 2017, geospatial professionals around the world and members of Land Surveyors United (a global support network for land surveyors) will be simultaneously recording survey grade GNSS/GPS data from thousands of points around the globe, in order to promote awareness of and a better public understanding of the surveying profession. Measurements made on this day will serve as comparative data from prior events and to expand upon the database of logged points.