JRC jue-87, Instruction Manual, Page: 19 / 230

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I
IA5 .................................................................................... International Alphabet number 5
A standard alpha- numeric character set, also known as ASCII, based on 7-bit codes.
Supports both upper and lower case characters.
ID ................................................................................................................................. Identity
IF ....................................................................................................... Intermediate Frequency
IFU ........................................................................................... Intermediate Frequency Unit
IHO ..................................................................... International Hydrographic Organization
IME ...................................................................................... Internally Mounted Equipment
IMN .......................................................................................... INMARSAT Mobile Number
The number assigned by the national routing organization to an Inmarsat MES as its
identity number. An Inmarsat C maritime IMN has the format 4xxxxxxxx.
IMO ............................................................................ International Maritime Organization
INFO ..................................................................................................................... Information
INMARSAT ................................................ International Maritime Satellite Organization
The operator of global mobile satellite communications, part of the Inmarsat Ventures
Ltd group of companies.
Inmarsat C:
A digital system based on a low-cost MES with low power consumption. This system
provides global two-way store-and-forward messaging, distress alerting, EGC Safety
NET
TM
and Fleet NET
TM
, data reporting and polling.
I/O ....................................................................................................................... Input/Output
IOR ........................................................................................................ Indian Ocean Region
ISDN ............................................................................. Integrated Services Digital Network
ISO ............................................................ International Organization for Standardization
ITA .................................................................................... International Telegraph Alphabet
ITA2 ............................................................................... International Telegraph Alphabet 2
A standard alphanumeric character set, generally used for sending messages on the
international telex networks. The character set is based on 5-bit codes, also known as
telex format, or 5-bit packed.
ITU
..............................................................................
International Telecommunication Union
J
JASREP:
A vessel position-reporting system similar to AMVER, but operated by the Japanese
authorities.
K
Kbytes:
1024 bytes or 128 characters.
L
LCD .................................................................................................... Liquid Crystal Display
LED ........................................................................................................ Light Emitting Diode
LES ........................................................................................................... Land Earth Station
Land Earth Station. A fixed land station in the Inmarsat satellite communications system
acting as a gateway between the space segment and the terrestrial communication
networks.