what is globalstar (mobile satellite service)
Globalstar Globalstar is a low Earth orbit (LEO) satellite constellation for satellite phone and low-speed data communications, somewhat similar to the Iridium satellite constellation and Orbcomm satellite systems. A Globalstar second-generation constellation will consist of 24 Low Earth Orbiting (LEO) satellites.[1]
Geodetic datum The Global Positioning System (GPS) uses the World Geodetic System 1984 (WGS 84) to determine the location of a point near the surface of the Earth.