Frequency Lists
AirNav
Amateur Radio Repeater Database
KB8NDS's Radio Page
KBrews Storm Spotting Frequencies
Long Island Area Scanning Resources
North American Railroad Radio Frequencies
Scanner Frequencies
World Aeronautical Database

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Repeaters
The Allegheny Highlands Repeater Association
Bluemont Repeater Group
The Cactus Intertie System
Cheyenne Mountain Repeater Group
Colorado Connection Repeaters
Colorado Repeater Association
The Independent Repeater Association
The Mid-Atlantic FM and Repeater Council
Network Engineers Repeater Association
The North-South UHF Repeater System
Outback RptrLink
SouthEastern Repeater Association
The Target Link System

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Internet Radio
EchoLink
eQSO
IRLP
W4MQ's Remote Base