BeiDou-1 is an experimental regional navigation system, which consists of four satellites (three working satellites and one backup satellite). The satellites themselves were based on the Chinese DFH-3 geostationary communications satellite and had a launch weight of 1,000 kilograms (2,200 pounds) each. COUNT 5
QSN1 What is the BeiDou-1? ANS1 an experimental regional navigation system QSN2 The BeiDou-1 is made up of how may satellites? ANS2 four QSN3 How many satellites in the BeiDou-1 system is used for back up? ANS3 one QSN4 What were the BeiDou-1 system satellites based on? ANS4 the Chinese DFH-3 geostationary communications satellite QSN5 How much did each satellite for the BeiDou-1 system weigh? ANS5 1,000 kilograms (2,200 pounds) each