MF-HF Equip. and Comms:
MF-HF Addressing Modes:
Which of the following keystrokes or characters is sent as part of ARQ communications to request a direct TELEX call to a shore-based location?
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Correct AnswerDIRTLX023123456+
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MSG+
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GA+?
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ENTER
Tags: none
The DIRTLX command should be given to a coast station at what point in time?
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Immediately following the automatic exchange of answerbacks.
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Correct AnswerAfter receipt of the Go Ahead indication following the automatic exchange of answerbacks.
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After receipt of the Go Ahead indication followed by the automatic exchange of answerbacks.
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Sent at the beginning of the message to request a direct TELEX connection.
Tags: none
Which automatic TELEX command should be sent by a ship station during SITOR (NBDP) operations to properly address a weather report to the national weather authority?
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WX+ followed by the text of the report.
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OBS+ then MSG+ to indicate weather report.
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Correct AnswerOBS+ and then send the weather report.
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GA+? then OBS+ and then send the weather report.
Tags: none
Which of the following would be a valid automatic TELEX code and number for a request for a real-time TELEX connection to a shore-based TELEX terminal?
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DIRTLX then waits for MSG+ to dial 023419645+.
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DIRTLX23122445+.
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DIRTLX followed by GA+? and the TELEX number.
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Correct AnswerDIRTLX023424998+.
Tags: none
When requesting a direct TELEX connection to a vessel's Inmarsat-B terminal, (i.e. making a SITOR (NBDP) call to an Inmarsat-B unit) the GMDSS operator must:
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Correct AnswerDIRTLX, 0, Ocean Area Code, TELEX number, +.
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DIRTLX, 00, Ocean Area Code, TELEX number, +.
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DIRTLX, 0, Country code, TELEX number, +.
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DIRTLX, 00, Country code, TELEX number.
Tags: none
To correctly address a SITOR (NBDP) message and transmit it "live" to a shore-based office the GMDSS operator would dial which sequence:
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DIRTLX0051440344+
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Correct AnswerDIRTLX051440344+
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DIRTLX581440344+
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DIRTLX05811500260+
Tags: none
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