题目内容

RegardingEPIRB,whichisfalse？（）

A. Vessel information recovered from the digital encoded message provided by the satellite EPIRB.
B. Doppler shift of EPIRB signal is measured.
C. Information received from EPIRBs is time-tagged and transmitted to any Local User Terminal in the satellites view.
D. EPIRB works in the HF bands

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