Acronyms Etc

Question 1

AAIC

Answer 1

Accounting Authority Identification Code

Question 2

AGC

Answer 2

Automatic gain control

Question 3

AIS

Answer 3

Automatic Identification System

Question 4

ALRS

Answer 4

Admiralty List of Radio Signals

Question 5

AM

Answer 5

Amplitude Modulation

see A3E and H3E

Question 6

AMVER

Answer 6

Automated Mutual-assistance Vessel Rescue System / position

Question 7

ARQ

Answer 7

The Telex mode used for one-to-one communications

Question 8

ATU

Answer 8

Antenna tuning unit

Question 9

CES

Answer 9

Coast Earth Station

Question 10

COSPAS-SARSAT

Answer 10

A satellite based, Distress Beacon locating system

Question 11

CQ

Answer 11

Call to All Stations

Question 12

DE

Answer 12

From / This is

Question 13

DSC

Answer 13

Digital Selective Calling

Question 14

EGC

Answer 14

Enhanced Group Calling

Question 15

EGC SAFETYNET

Answer 15

Satellite equivalent of Navtex

Question 16

EPIRB

Answer 16

Emergency Position Indicating Radio Beacon

Question 17

F1B, FSK or J2B

Answer 17

The radio mode used by Telex / DSC / Navtex etc

Question 18

F3E or FM

Answer 18

The transmitter mode used on VHF (Frequency Modulation)

Question 19

FEC

Answer 19

The Telex mode used for broadcast transmissions

Question 20

Footprint

Answer 20

The area on the earth within range of an Inmarsat satellite

Question 21

GHz

Answer 21

Gigahertz (1,000 MHz)

Question 22

GMDSS

Answer 22

Global Maritime Distress and Safety System

Question 23

GOC

Answer 23

General Operator’s Certificate

Question 24

GPS

Answer 24

Global Positioning System

Question 25

H3E

Answer 25

SSB Full Carrier incorrectly labelled as AM on some radios

Question 26

HF

Answer 26

High Frequency (3 - 30 MHz)

Question 27

IMO

Answer 27

International Maritime Organisation

Question 28

Inmarsat

Answer 28

The International Mobile Satellite Organisation

Question 29

IOR

Answer 29

Indian Ocean Region

Question 30

ITU

Answer 30

The International Telecommunications Union

Question 31

J3E

Answer 31

SSB Suppressed carrier or no carrier

Question 32

KHz

Answer 32

Kilohertz (1,000 Hz)

Question 33

KW

Answer 33

Kilowatt

Question 34

LES

Answer 34

Land Earth Station

Question 35

LF

Answer 35

Low Frequency (30 - 300 KHz)

Question 36

LSB

Answer 36

Lower Sideband

Question 37

LUT

Answer 37

Local User Terminal (Cospas / Sarsat LES equivalent)

Question 38

MES

Answer 38

Mobile Earth Station

Question 39

MF

Answer 39

Medium Frequency (300 - 3,000 KHz)

Question 40

MHz

Answer 40

Megahertz (1,000,000 Hz)

Question 41

MID

Answer 41

Medium Identification Digits

Question 42

MMSI

Answer 42

Maritime Mobile Service Identity

Question 43

MRCC

Answer 43

Maritime Rescue Coordination Centre

Question 44

MSI

Answer 44

Maritime Safety Information | Navigational and Weather warnings or messages

Question 45

Navarea

Answer 45

One of twenty-one sea areas for MSI

Question 46

Navtex

Answer 46

The system for the broadcast MSI by means of telex characters

Question 47

NCS

Answer 47

Network Coordination Station

Question 48

NNNN

Answer 48

Used instead of OUT for ending a Satellite C message

Question 49

NX

Answer 49

Navigational Warning Message

Question 50

Omni-directional

Answer 50

Radiates a signal with equal power in all directions

Question 51

RF

Answer 51

Radio Frequency

Question 52

RO

Answer 52

Radio Officer

Question 53

R/T

Answer 53

Radio Telephony, Speech or Voice

Question 54

RX

Answer 54

Receiver

Question 55

SAR

Answer 55

Search and Rescue

Question 56

SART

Answer 56

Search and Rescue Transponder

Question 57

SES

Answer 57

Ship Earth Station

Question 58

SOLAS

Answer 58

Safety of Life at Sea

Question 59

SSB

Answer 59

Single Sideband

Question 60

TX

Answer 60

Transmitter

Question 61

UTC

Answer 61

Universal Coordinated Time | has the same meaning as GMT

Question 62

UHF

Answer 62

Ultra High Frequency (300 - 3,000 MHz)

Question 63

VHF

Answer 63

Very High Frequency (30 - 300 MHz)

Question 64

WX

Answer 64

Weather