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Element 7: GMDSS Radio Operating Practices

effective 8/01/2006

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7-A-057: HF MSI

7-057A: Which HF SITOR mode would be selected to receive MSI broadcasts from high seas shore stations:

FEC

AM

RTTY

ARQ



7-057B: The U.S. Coast Guard communications station providing HF MSI broadcast coverage for NAVAREA IV is:

NMF (Boston)

NOJ (Kodiak)

NMC (San Francisco)

NMO (Honolulu)



7-057C: The U.S. Coast Guard communications station providing HF MSI (Maritime Safety Information) broadcast coverage for NAVAREA XII is:

NMO (Honolulu)

NMA (Miami)

NMF (Boston)

NMR (San Juan)



7-057D: Frequencies for receiving HF MSI (Maritime Safety Information) are:

Specified HF NBDP frequencies

The same as used for NAVTEX

The same as used for general TELEX using FEC

Specified HF voice frequencies



7-057E: Which frequency/mode is authorized for use internationally for Maritime Safety Information transmissions?

4209.5 kHz using FEC mode

4125.0 kHz using simplex mode

4209.5 kHz using ARQ mode

4125.0 kHz using FEC mode



7-057F: How many frequencies are assigned specifically for HF MSI broadcasts?

8

6

5

7





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