AAIC

Accounting Authority Identification Code

AC

Alternating Current

ADE

Above Deck Equipment

AF

Audio Frequency

AGC

Automatic Gain Control

AM

Amplitude Modulation

AMVER

Automated Mutual-Assistance Vessel Rescue System

AOR-E

Atlantic Ocean Region (East)

AOR-W

Atlantic Ocean Region (West)

ARCC

Aeronautical Rescue Coordinating Centre

ARQ

Automatic Repetition reQuest

ASCII

American Standard Code for Information Interchange

AUSREP

AMVER, operated by the Australian Authorities

A1A

Continuous wave telegraphy, Morse code

A2A

Telegraphy by the on-off a tone modulated carrier, Morse code: double sideband

A3A

Telephony using amplitude modulation: double sideband

BBER

Bulletin Board Error Rate

BDE

Below Deck Equipment

CC

Coast Charge

CCIR

International Radio Consultative Committee

CCITT

International Consultative Committee for Telegraph and Telephone

CEPT

Conference of European Postal and Telecommunications administrations

CES

Coast Earth Station (Inmarsat)

Ch

Channel

CQ

General call to all stations

CSS

Coordinator Surface Search

DE

Signal used in Morse telegraphy meaning «THIS IS…»

DF

Direction Finder

DSC

Digital Selective Calling

EGC

Enhanced Group Call (Inmarsat)

EPIRB

Emergency Position-Indicating Radio Beacon

ETA

Estimated Time of Arrival

ETD

Estimated Time of Departure

FAX

Facsimile

FEC

Forward Error Correction

FM

Frequency Modulation

FSK

Frequency Shift Keying

F1B

Telegraphy using frequency modulation (telex)

F3E

Telephony using frequency modulation

GA+

Go Ahead (telex)

GF

Gold Frank

GHz

GigaHertz

GMDSS

Global Maritime Distress and Safety System

GOC

General Operator's Certificate

GPS

Global Positioning System

G3E

Telephony using phase modulation

HF

High Frequency (3÷30 MHz)

HSD

High Speed Data

H2A

Telegraphy by the on-off keying of a tone modulated carrier, Morse code: single sideband, full carrier

H3E

Telephone using amplitude modulation: single sideband, full carrier

IAMSAR

International Aeronautical and Maritime Search and Rescue Manual

IBM

International Business Machines

IC

Integrated Circuit

ICAO

International Civil Aviation Organization

IF

Intermediate Frequency

IHO

International Hydrographic Organization

IMN

Inmarsat Mobile Number

IMO

International Maritime Organization

INMARSAT

INternational MARitime SATellite organization

IOR

Indian Ocean Region

ITA2

International Telegraph Alphabet 2

ITU

International Telecommunication Union

J3E

Telephone using amplitude modulation: single sideband suppressed carrier

JASREP

AMVER, operated by the Japanese Authorities

kHz

KiloHertz

КОСПАС/ SARSAT

КОсмическая Система Поиска Аварийных Судов/Search And Rescue Satellite Aided Tracking

kW

KiloWatt

LCD

Liquid Crystal Display

LES

Land Earth Station

LL

LandLine charge

LMES

Land-Mobile Earth Station

LSB

Lower Side Band

LUT

Local User Terminal (КОСПАС/SARSAT system)

MCC

Mission Control Centre (КОСПАС/SARSAT system)

MERSAR

MERchant ship Search And Rescue manual

MES

Mobile Earth Station

MF

Medium Frequency (300÷3000 kHz)

MHz

MegaHertz

MID

Maritime Identification Digits

MMSI

Maritime Mobile Service Identities

MRCC

Maritime Rescue Coordination Centre (RCC)

MS-DOS

MicroSoft Disk Operating System

MSI

Maritime Safety Information

NAVAREA

NAVigational AREA – short title of an area in the wold-wide navigational warning service

NAVTEX

NAVigational TEleX

NBDP

Narrow-Band Direct Printing

NCS

Network Co-ordination Station (Inmarsat)

NM

Nautical Mile

NOC

Network Operation Centre (Inmarsat)

OBS

Prefix for Meteorological telegrams

OCC

Operations Control Centre

OSC

On-Scene Commander

PC

Personal Computer

PCP

Programmable Communication Processor

POR

Pacific Ocean Region

PRN

PriNter

PSDN

Packet Switched Data Network

PSTN

Public Switched Telephone Network

R3E

Telephony using amplitude modulation: single sideband, reduced carrier

RAM

Random Access Memory

RCC

Rescue Coordinating Centre (MRCC)

ROC

Restricted Operator's Certificate

ROM

Read Only Memory

RT

Radio Telephony

RTM

Radio Telex Modem

RX

Receiver

SAR

Search And Rescue

SARSAT

Search And Rescue Satellite Aided Tracking

SART

Search And Rescue Transponder

SCANCOMM

Skanti Computerized Advanced Node for Communicating Maritime Messages

SDR

Special Drawing Right

SelCall

Selective Calling

SelFEC

Selective Forward Error Correction (telex)

SKANTI

SKANdinavisk TeleIndustry

SES

Ship Earth Station

SOLAS

Safety Of Life At Sea

SS

Ship Station charge (Mobile station charge)

SSB

Single Side Band

TEL

TELephone (voice) transmission via PSTN

TELEX

TELegraphic EXchange

TLX

store-and-forward TeLeX

TOR

Telex Over Radio

TRP

Transmitter Receiver Power supply

TV

TeleVision

TX

Transmitter, Transmission

UHF

Ultra High Frequency

USB

Upper Side Band

UTC

Universal Coordinated Time

VBTLX

Voice Bank and TeLeX transmission via PSTN and TELEX

VHF

Very High Frequency (30÷300 MHz)

VTS

Vessel Traffic Service

W

Watt

WARC

World Administrative Radio Conference

WMO

World Meteorological Organization

WRU

Who aRe yoU? (telex)

WT

Wireless Telegraphy (Morse)

WWNWS

World Wide Navigational Service

Wx