Amateur Radio
682 sites
https://eznec.com/
EZNEC is a widely used antenna modeling and analysis software package created by Roy Lewallen (W7EL), now available for free as EZNEC Pro+ v7.0. The site provides downloads, documentation, FAQs, and detailed information about the software's NEC-based calculation engines for modeling antenna radiation patterns and wire configurations.
https://sera.org/
SERA, the Southeastern Repeater Association, is the largest amateur radio repeater coordinating organization in the United States, serving ham radio operators across Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia. The site provides frequency coordination resources, band plans across multiple frequency ranges, a coordinated repeater database, and membership information for licensed amateur radio operators in the Southeast.
https://dx.qsl.net/
DX.QSL.NET is a dedicated hub for amateur radio DXing enthusiasts, offering a powerful log search engine to browse DX logs from around the world. Visitors can access dynamic propagation reports, Tropo Ducting information, and real-time DX spots via a chat interface, making it a practical toolkit for active DXers.
https://www.qsl.net/7n3wvm
MINOWA Makoto (7N3WVM) shares detailed homebrew QRP amateur radio projects built entirely from scratch at his shack in Chiba, Japan. Visitors will find construction guides for transceivers, antenna tuners, crystal filters, frequency markers, magnetic loop antennas, and various measurement tools, all documented in both Japanese and English.
https://qrz.com/cgi-bin/webcall
QRZ.com is the premier ham radio callsign lookup database, allowing operators to search for licensed amateur radio users by callsign, name, address, grid square, or county. Beyond the core database, the site offers logbooks, DX spotting, forums, exam practice, license renewals, and a bustling swap meet for ham radio gear.
https://eskimo.com/~bgudgel
Bob Gudgel's personal homepage centers on his amateur radio identity as K7IQ, with links to the Puget Sound Repeater Group and interests in Pacific Northwest audio electronics history including TAPCO and other defunct companies. The page also touches on vintage telephone switching, solar energy, and local Seattle-area connections, making it a charming slice of old-web hobbyist culture.
https://wm7d.net/
Mark Downing (WM7D) runs this ham radio hub featuring a searchable callsign database, real-time solar flux reports, and dedicated resource pages for Yaesu radios including the FT2000, FT920, and FT100. Visitors will also find DX cluster links, QSO maps, TR Log for Linux, and a curated collection of amateur radio links.
https://theworld.com/~jgarrett
John Garrett's quirky early-web homepage introduces himself with offbeat humor and references his work as a sound man, along with a link to listening to 'voices from outer space.' The site has a charmingly chaotic old-web personality with scattered sections labeled 'Things N Stuff' and 'Point and Click,' making it a fun time capsule of early internet personal pages.
https://www.qsl.net/k0usa
The Ak-Sar-Ben Amateur Radio Club is a ham radio club based in Omaha, Nebraska, serving the greater Council Bluffs area with activities including VE testing, Field Day, SKYWARN weather spotting, and ARES emergency communications. The club's homepage serves as a gateway to member resources, repeater info, hamfests, and ARRL-affiliated programming.
http://ham-radio.com/wa6cgr
Dave Glawson (WA6CGR) shares his extensive microwave radio projects, including transverters, amplifiers, and PLL systems published in Microwave Update and West Coast VHF/Microwave Conference proceedings. A valuable technical reference for hams interested in microwave experimentation, featuring contest reports from the ARRL 10 GHz and Up Contest and downloadable PDF articles.