Satellite billed as the ‘future GPS’ begins key tests

L3Harris announced Jan. 26 it delivered the Navigation Technology Satellite-3 (NTS-3) to the U.S. Air Force and the spacecraft is now undergoing final tests in preparation for a planned launch in late 2023. NTS-3 is an experiment funded by the Air Force Research Laboratory that will broadcast positioning, navigation and timing (PNT) signals from geostationary Earth orbit. The goal is to demonstrate next-generation PNT technologies for the U.S. military and provide an alternative to GPS. More

(Source: SpaceNews - Jan 28)