Who is the operator of a space-based radionavigation system which is the base of the QZSS?
Quasi-Zenith Satellite System: The Quasi-Zenith Satellite System (QZSS) is a three-satellite regional time transfer system in development and the satellite-based augmentation system for the Global Positioning System that would be receivable within Japan. Global Positioning System: The Global Positioning System (GPS), originally Navstar GPS, is a space-based radionavigation system owned by the United States government and operated by the United States Air Force.
United States Air Force