DSC calls
98-171832-A Chapter 2: Operation 23
Session line:
The DSC Session line can be one of the following:
Session line Explanation
OWN DISTRESS The ship is in own distress. See also To send a
distress message on page 28.
DISTRESS RX You watch or participate in a distress
communication for another station in distress
DISTRESS RX (MOB) You watch or participate in an MOB distress
event involving one or more MOB devices
RELAY calls
(numerous)
You watch or participate in a distress
communication for another station in distress
ALL SHIPS TX/RX You have sent / received an all ships call
GROUP TX/RX You have sent / received a group call
INDIVIDUAL TX/RX You have either sent a call request to a station to
establish contact, or another station has made a
call to you to establish contact. The call needs a
reply.
TEST TX/RX You have either sent a SAFETY TEST call or you
have received a SAFETY TEST call from another
station that needs to be replied to.
POSITION TX/RX A position request was either sent or received.
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