Gmdss : Element 7 - 343/600 |
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Which frequency/mode is authorized for use internationally for Maritime Safety Information transmissions? |
A) 4125.0 kHz using simplex mode |
B) 4209.5 kHz using FEC mode |
C) 4209.5 kHz using ARQ mode |
D) 4125.0 kHz using FEC mode |
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