Glossary

In the glossary, we explain key terms from our field of work in a concise and understandable manner.

ATC

Air Traffic Control

AU

Antenna Unit

COSPAS/SARSAT

COSPAS/SARSAT is an international, satellite-based search and rescue system for detecting and locating emergency beacons - EPIRB for ships, ELT for aircraft and PLB for personal use.

DCU

Display & Control Unit

MOB

Man Over Board

PLB

Personal Locator Beacon. The emergency radio beacons for personal use.

Squelch

A squelch is used in communication receivers to suppress noise, especially noise during breaks in transmission.

VDF

VHF Direction Finder

VTS

Vessel Traffic Service