3 articles
BeiDou
BeiDou, formally the BeiDou Navigation Satellite System (北斗导航系统), is China's independently built and operated satellite navigation system, the third after GPS and GLONASS, providing global positioning, navigation, and timing services since 2020.
BeiDou B1C/B2a signals
B1C and B2a are the two modernized open-service civil signals of China's BeiDou-3 satellites, designed at 1575.42 MHz and 1176.45 MHz for interoperability with GPS and Galileo.
BeiDou-3
BeiDou-3 (北斗三号), also written BDS-3, is China's third-generation global satellite navigation constellation, completed in 2020 as the third independent global system after GPS and GLONASS.