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Glosario de abreviaturas (orden alfabético) - 5/8

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 Telecommunications Union

JASREP Vessel positioning-reporting system similar to AMVER, but
operated by the Japanese Authorities.

Kbyte 1024 Bits or 128 characters.

LES Land Earth Station (generic name of CES -Coast Earth
Station-).
LF Low Frequency

LL Land Line Charge

LMES Land Mobile Earth Station

Log-In The action performed on an Inmarsat C SES to inform the
NCS in an Ocean Region that the SES is available for
communications.

LORAN-C A positioning-fixing system, based on chains of shore-based
low-frequency radio transmissions.
LRC Long Range Certificate

LUT Cospas-Sarsat Local User Terminal

MCC Cospas-Sarsat Mission Control Centre

MERSAR Merchant Ship Search and Rescue Manual
MES Mobile Earth Station. The generic name used instead of SES
(Ship Earth Station) and applicable to both maritime and land
mobile-satellite communications.

Message channel

A communications channel used by a SES to send message
data through a CES to a required destination.

MET Meteorological Information
METAREA Meteorological Area corresponding to the NAVAREAS defined
by IMO.

MF Medium Frequency (300 - 3999 Khz)

MID Maritime Identification Digits

MMSI Maritime Mobile Service Identity

Modem Modulator-Demodulator, a device used to transmit digital data