American Radio Relay League
ARRLWeb, the American Radio Relay League's home on the World Wide Web.
American Radio Relay League - Great Lakes Division
ARRL coverage of Ohio, Kentucky and Michigan.
The Radio Amateur Satellite Corporation
Coal Fields Amateur Radio Emergency Network
Federal Communications Commission
The independent government agency charged with regulating interstate and international communications by radio, television, wire, satellite, and cable.
Kansas City APRS Working Group
Ten-Ten International Net
An organization of amateur radio operators dedicated to maintaining high levels of amateur radio communications on the 10-meter amateur band.
Tuscon Amateur Packet Radio
An international organization dedicated to amateur digital communications.
The W5YI Group
Primarily involved in amateur and commercial radio operator training and testing.