Which of the following frequencies is normally used for distress and safety communications? A. 4209.5 kHz B. 490 kHz C. 518 kHz D. 2174.5 kHz

Which of the following frequencies is normally used for distress and safety
communications?
A. 4209.5 kHz
B. 490 kHz
C. 518 kHz
D. 2174.5 kHz
by

1 Answer

Answer :

D. 2174.5 kHz
by

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