Launching Next has discovered 2 amateur radio startups.
American Radio Relay League ARRL - The national association for AMATEUR RADIO
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting to hams around the U.S. with news, information and resources.
Callsign Database by QRZ.COM
World's leading amateur radio callsign database news, technical articles, QSL routes, online Logbook, discussion forums, practice licence exam tests, and technical data about ham radio.