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This section defines general and DSC terms related to this equipment.
● General terms
AMVER
Automated
Mutual-assistance
Rescue System
System that informs another ship of position
of distress ship operated in the United States.
ARQ
Automatic Repeat reQuest
When communicating interactive in the telex
mode, this ARQ is used.
CFEC
Collective Forward Error Correction
When broadcasting in the telex mode, this
CFEC is used.
DSC
Digital Selective Calling device
Used in routine calls, safety and urgency
calls, and distress calls for rescue requests.
GMDSS
Global Maritime Distress and Safety System.
GPS
Global Positioning system
IMO
International Maritime Organization
ITU
International Telecommunication Union
Establishes conventions and regulations for
all electrical wired and radio, land, sea, air,
and space communications. It contains
internal organizations such as ITU-R and
ITU-T.
ITU-R
The International Telecommunications Union
(ITU) radio communications department.
JASREP
Japanese Ship Reporting System
Ship position reporting system operated in
Japan.
Glossary of terms
Vessel
LT
Local time
MF/HF
Medium frequencies and high frequencies
(300 kHz to 30 MHz)
MMSI
Maritime Mobile Service Identity
The 9-digit Maritime Mobile Service Identity
number assigned to each ship and coast
station.
NBDP
Narrow Band Direct Printing
It is a generic name of the device used to
communicate in the telex mode.
NMEA
Maritime equipment transmission standard
established
by
Electronics Association.
PTT
Push to talk
RCC
Rescue Co-ordinate Center
RMS
Remote Maintenance System
Transmits
ship
temporarily stored in the VDR via Inmarsat to
land,
for
use
management of radio equipment.
RR
Radio Regulations
International regulations for radio transmission
established by the treaty of the ITU.
SELCAL Number(Selective Calling Number)
Selective Calling Number by NBDP.
It is the numbers of four digits (coast station)
or five digits (Ship station) used when the
other party is specified in the telex mode.
the
National
Marine
equipment
information
in
maintenance
and
xxi
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