Element 7: GMDSS Radio Operating Practices

effective 8/01/2006

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7-A-021: Call Signs & SELCALLS

7-21D1: A typical call sign for a large container ship under U. S. flag would be:

KBZY

WBX1469

NADN

KPH



7-21D2: What would the number 1090 indicate?

A coast station SITOR(NBDP)SELCAL number.

A ship DSC MMSI number.

A coast station DSC MMSI number.

A ship station SITOR(NBDP) number.



7-21D3: Which one of the following is a ship station SELCAL?

11243

1104

1502352

0230364973



7-21D4: Which of the following is the call sign for a U.S.C.G. coast station?

NMN

NERK

KPH

WCC



7-21D5: What type of station would be assigned the call sign WAB2174?

Tug boat

Container ship

Passenger ship

Bulk Tanker



7-21D6: What number will a ship station use to identify itself using SITOR?

Five digit SELCAL or 9 digit SELCAL number identical to MMSI.

Four digit SELCAL.

9 digit Inmarsat-B I. D. number.

9 digit Inmarsat-C I.D. number.





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Element 7: GMDSS Radio Operating Practices
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7-A-022: MMSI: Mid & Ship Station I.D. Numbers