Amateur Radio
682 sites
https://daily.hamweekly.com/
Amateur Radio Daily, run by K4HCK, is a regularly updated news aggregator pulling in the latest stories, events, and announcements from the ham radio world. Visitors will find coverage of Hamvention awards, DX expeditions, digital conferencing events, and tools like FCC radio databases and Reverse Beacon Network explorers.
http://rfinq.com/
RF Inquiry Inc. is a Japanese company specializing in amateur and professional radio equipment, selling filters for RFI interference suppression, antennas from brands like OptiBeam and OM Power, and accessories for HF, VHF, and UHF operation. The site serves ham radio operators with a product catalog including bandpass filters, baluns, linear amplifiers, and noise reduction gear from well-known manufacturers.
https://mods.dk/
mods.dk is a comprehensive database of over 6,000 modification and repair articles for amateur radio equipment, covering major brands like Icom, Kenwood, Yaesu, and Motorola. Hobbyists can find instructions for extending transmit/receive ranges, improving packet modem performance, and getting more out of their HAM radio gear.
https://www.qsl.net/dx1cw
The official web home of CW Philippines (Communications World of Amateurs Philippines Inc.), a ham radio club based in Manila that documents DXpeditions to Philippine islands including Batan, Marinduque, and Lubang. The site features expedition photo galleries, contest results, QSL information, membership resources, and articles about amateur radio culture and leadership in the Philippines.
http://f5ad.free.fr/
Built by French radio amateur André Ducros (callsign F5AD), this extensive site covers amateur radio antennas, amateur television (ATV), and ham radio licensing with over 616 pages and 2648 images. It includes 1205 practical antenna descriptions ranging from shortwave to microwave, technical documentation, and resources for ATV transmission, making it a remarkable reference archive for French-speaking radio amateurs.
https://www.vkham.com/
VKHam is a comprehensive Australian amateur radio resource hub run by VK2CA, featuring over 12,000 QSL card images, a directory of 1800+ VK callsigns, repeater maps for all Australian states, and an extensive electronics and kit manual library. Visitors can look up VK callsigns, browse DX information, access frequency and Morse code references, and even post classified ads for ham radio equipment.
https://ocraces.org/
OCRACES is the official site for the County of Orange Radio Amateur Civil Emergency Service, an auxiliary communications unit operating under the Orange County Sheriff's Department Emergency Management Division. Visitors can find membership information, net schedules, past events, and details about how trained amateur radio operators provide voice, video, and data emergency communications during disasters.
http://blog.marxy.org/
Peter Marks (VK2ZZC) runs this long-running blog blending amateur radio experimentation, particularly FreeDV digital voice modes, with regular technology commentary for ABC Radio's Nightlife program. Visitors will find net reports, homebrew radio projects, and tech takes on AI, Apple, and social media policy alongside links to the amateur radio community.
https://qsl.net/sidxa
The Swan Island DX Association is an informal club of amateur radio operators in the Raleigh, North Carolina area united by the pursuit of DX contacts and QSL card collecting. The site includes meeting details, member photos spanning multiple years at local restaurants, links to DX bulletins, and a history of the CIA clandestine radio station on Swan Island that inspired the club's name.
https://amsatnet.com/
The Houston AMSAT Net, run by KK5DO (Bruce Paige), is a weekly amateur radio net focused on satellite communications, meeting Tuesday evenings at 8PM Central and accessible via multiple repeaters and digital linking systems. The site covers AMSAT awards programs, satellite operator achievements, field day history, and resources for ham radio operators interested in communicating through amateur satellites.