AAIC Accounting Authority Identification Code

AF Audio Frequency

AH Ampere Hours

AM Amplitude Modulation

AMSA Australian Maritime Safety Authority

ARQ Automatic Request Query

ATU Antenna Tuning Unit

AUSREP Australian Ship Reporting System

CC Coast Charge

CES Coast Earth Station

CNID Closed Network Identifier

COSPAS Space System for Search of Distress Vessels

DCE Data Circuit (Terminal) Equipment

DNID Data Network Identifier

DSC Digital Selective Calling

DTE Data Terminal Equipment

EGC Enhanced Group Calling

EPIRB Emergency Position Indicating Radio Beacon

FEC Forward Error Correction

FM Frequency Modulation

GF Gold Franc

GMDSS Global Maritime Distress and Safety System

HF High Frequency

H3E Single Side Band Full Carrier

I Current

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