试题详情

卫星向GPS发射信号频率是:

AL1(1783.74MHZ)L2(1575.42MHZ)

B L1(1783.74MHZ)L2(1227.60MHZ)

C L1(1575.42MHZ)L2(1227.60MHZ)

D L1(1574MHZ)L2(1854MHZ)