Ships sailing in _________ are able to receive and print out EGC messages.
A. a fixed area or NavArea in any ocean region
B. a NavArea or weather forecast area
C. area covered by Inmarsat satellites
D. anywhere of the world
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For COSPAS-SARSAT system, _________ usually transmit initial COSPAS-SARSAT alert.
A. RCC
B. MCC
C. EPIRB
D. MRCC
All the distress message should be preceded by _________
A. PAN PAN
B. SECURITE
C. MAYDAY
D. MEDICO
_________ is (are) frequency (frequencies) can be used for routine DSC calling between ships, and between ship and shore respectively.
A. 2177 kHz.
B. 2177 kHz and 2189.5 kHz used in pairs only.
C. 156.525 Mhz.
D. 2177 kHz/2177 kHz and 2177 kHz/2189.5 kHz used in pairs.
The frequency 2174.5 kHz in NBDP service is used for _________.
A. Distress and safety traffic using narrow-band direct-printing telegraphy exclusively
B. Transmissions of information regarding the safety of navigation and weather warnings
C. Distress and safety traffic in radiotelephony
D. Transmissions of the international NAVTEX system
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