题目内容

Which frequency does COSPAS-SARSAT EPIRB use for transmission of distress signals?

A. 156.525 MHz
B. 406 MHz
C. 1.6 GHz
D. 121.5 MHz

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If a ship, in accordance with the requirements of regulation 7.1.2, is fitted with a VHF radio installation, shall, while it is at sea, maintain a continuous watch on:

A. VHF CH16
B. VHF CH70.
C. 2,187.5 KHz.
D. All of these. B

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Signals from the SART are detected on which shipboard equipment?

A. S-band navigation radar.
B. VHF-FM Channel 70 watch receiver.
C. X-band navigation radar.
D. GPS receiver.

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In the GMDSS, for which purposes is the frequency band 406-406.1 MHz used?

A. For handling of distress traffic by aeronautical radio stations.
B. For radio traffic regarding the safety of navigation exclusively.
C. For satellite emergency position-indicating beacons exclusively.
D. For distress and safety traffic in radio telephony.

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What priority code is associated with routine calls made via INMARSAT-B?

A. 0
B. 1
C. 2
D. 3

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Which frequency does COSPAS-SARSAT EPIRB use for transmission of distress signals?

A. 156.525 MHz B. 406 MHz C. 1.6 GHz D. 121.5 MHz

If a ship, in accordance with the requirements of regulation 7.1.2, is fitted with a VHF radio installation, shall, while it is at sea, maintain a continuous watch on:

Signals from the SART are detected on which shipboard equipment?

In the GMDSS, for which purposes is the frequency band 406-406.1 MHz used?

What priority code is associated with routine calls made via INMARSAT-B?

A. 156.525 MHz
B. 406 MHz
C. 1.6 GHz
D. 121.5 MHz