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Long March 3C launches Beidou-21 satellite | NASASpaceFlight.com
"The new satellite – now named as BDS M3-S (Beidou-21) – uses a new bus that feature a phased array antenna for navigation signals and a laser retroreflector, with a launch mass 1,014 kg."
"The new satellite – now named as BDS M3-S (Beidou-21) – uses a new bus that feature a phased array antenna for navigation signals and a laser retroreflector, with a launch mass 1,014 kg."