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.
Ham-Shack.com is one of the largest sources of Amateur Radio information on the Internet. It provides new and potential hams with the information needed to get started in the hobby of Amateur Radio.
Usrepeaters.com - dedicated to Amateur Radio and HAM's everywhere, providing fast and accurate data regarding current Repeaters and their frequency information