GMDSS. FCC Test 57

GMDSS. FCC Test 57

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The sequence ARQ, FEC, SFEC best corresponds to which of the following sequences?
FEC Sitor transmissions might be used to?
If the vessel is beyond range of NAVTEX broadcasts and the Sat-C system fails, the GMDSS operator must:
If the vessel is experiencing atmospheric interference with NAVTEX broadcasts, especially in the tropics, the GMDSS operator should:
If the vessel is within range of NAVTEX broadcasts and both the Inmarsat-C and the NAVTEX receiver are inoperative the GMDSS operator should:
Selective FEC communications (SFEC) are employed when:
FEC NBDP transmissions are normally used to?
Why must the GMDSS operator be able to set-up FEC & ARQ modes and differentiate between them?
Which of the following statements concerning SITOR communications is true?
The sequence BFEC, SFEC, ARQ best corresponds to which of the following sequences?
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