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Glossary

A

ADF

Automatic Direction Finder

Navigation instrument that receives and interprets the NDB signal.

ATC

Air Traffic Control

ATM

Air Traffic Management

B

BSD

BSD license

See here for details.

F

FAA

Federal Aviation Administration

See here for details.

G

GPL

GNU Public License

See here for details.

N

NDB

Non-Directional Beacon

V

VOR

Very-high-frequency Omni Range

Beacon very usefull to navigation.