the american radio relay league (arrl) is the national association for amateur radio, connecting hams around the u.s. with news, information and resources.

eham.net is a web site dedicated to ham radio (amateur radio).

amateur (ham) radio website with information for those who want to be a ham radio operator, new ham and general information for the seasoned ham radio operator. license study material, practice tests, practice code, antenna design, lots of ham radio info for all.

the world's largest radio communications data management and media provider.

dx news. preferred source of ham radio news, dx peditions, video, articles, images for dxers.

qso/swl real time maps and lists

rigpix database - the source of information and pictures of radios, accessories and more