Before revision: EGNOS Comparison of systems System BeiDou Galileo GLONASS GPS NavIC QZSS Owner China European Union Russia United States India Japan Coverage Global Global Global Global Regional Regional Coding CDMA CDMA FDMA & CDMA CDMA CDMA CDMA Altitude – Period 12.88 h (12 h 53 min) 14.08 h (14 h 5 min) 11.26 h (11 h 16 min) 11.97 h (11 h 58 min) 23.93 h (23 h 56 min) 23.93 h (23 h 56 min) Rev./S.
After revision: EGNOS Comparison of systems System BeiDou Galileo GLONASS GPS NavIC QZSS Owner China European Union Russia United States India Japan Coverage Global Global Global Global Regional Regional Coding CDMA CDMA FDMA & CDMA CDMA CDMA CDMA Altitude Period 12.88 h (12 h 53 min) 14.08 h (14 h 5 min) 11.26 h (11 h 16 min) 11.97 h (11 h 58 min) 23.93 h (23 h 56 min) 23.93 h (23 h 56 min) Rev./S.