7-A-090: MF-HF: ARQ Operation #3: Operating Codes & Procedures
7-90J1:
Which of the following keystrokes or characters is sent as part of ARQ communications to end the radio link?
BRK+
NNNN
KKKK
. . . . .
7-90J2:
Which of the following keystrokes or characters is sent as part of ARQ communications to signal the end of communications with a land based TELEX terminal?
KKKK
NNNN
BRK+
. . . . .
7-90J3:
What character(s) are transmitted to switch control from a station currently transmitting, over to the receiving station during ATOR communications in the ARQ mode?
+?
+
ENTER
END
7-90J4:
Which character(s) must follow most command codes to a coast station using ATOR?
+
#
*
GA+?
7-90J5:
Which character(s) are sent by the shore station to indicate it has shifted control to, and is awaiting instructions from, the vessel?
GA+?
WRU
KKKK
. . . . .
7-90J6:
All country codes which are transmitted by MF/HF SITOR are preceded by which character(s)?
0
00
+
DIR
Color key:
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● = Unseen
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● = Weak
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● = Review
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● = Learned
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● = Incorrect answer
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