The following descriptions and abbreviations are used on the airport frequency page:
• Type—
Usage type: Public, Military or Private
• Frequency— Communication frequencies which may include restrictions:
Approach
Class C
TMA
Communication frequencies without restrictions:
ATIS
Center
Control
Multicom
Ramp
Navigation frequencies:
ILS
Arrival
Class B
CTA
Departure
Terminal
TRSA
ASOS
AWOS
Clearance
Gate
Ground
Helicopter
Pre-taxi
Radar
Other
Tower
Unicom
LOC
WPT PAGES
Airport Frequencies
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