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

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

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.

qrp radios, product announcements, reviews, news and more. low power amateur radio fun!

parks program for amateur radio, also known as parks on the air (pota), including a map and list of entities for the program.

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