Amateur Radio
682 sites
http://bratsatv.org/
The Baltimore Radio Amateur Television Society (BRATS) is a non-profit amateur radio club based in Baltimore, Maryland, focused on ATV (amateur television) repeaters, emergency communications, and public service. The site features club news, meeting announcements, technical writeups on their ATV repeater revival project, and information on joining the organization.
https://metrocor.net/
MetroCor is the Metropolitan Coordination organization for amateur radio repeaters covering New York City, New Jersey, and surrounding counties, maintaining an extensive database of coordinated frequencies across bands from 10 meters through 23 centimeters. The site publishes detailed repeater coordination tables listing hundreds of callsigns, output and input frequencies, PL tones, and coordination status for the greater NYC metro area.
https://qth.com/sos
The Sultans of Shwing is the group page for ham radio operators Mike K9NW, Chad WE9V, and Scott KA9FOX, centered around their legendary annual parties at the Dayton Hamvention stretching back to 1995. The site features years of party photos, links to contesting and DX resources, and the irreverent humor of the ham radio contest community.
https://dk7ih.de/
DK7IH is Peter Baier's deep-dive engineering site dedicated to building 'hardware defined' ham radio transceivers the old-school way, with analog filters, mixers, and amplifiers rather than software-defined approaches. Dozens of detailed project write-ups cover QRP SSB transceivers, multiband portables, handheld rigs, and homebrew designs spanning HF bands from 1.8 to 28 MHz.
https://qsl.net/rmnarc
The Rocky Mountain Navy Amateur Radio Club (K0USN) is a military-themed ham radio club founded in 1999 to honor active duty, retired, and separated Navy personnel while promoting amateur radio operation and technical training. The site lists club officers with their callsigns and military ranks, and links to pages covering upcoming events, members in action, and contest victories.
https://n5oak.org/links
The Oak Hill Amateur Radio Club (N5OAK) is an Austin, Texas-based ham radio club dedicated to keeping amateur radio alive and active in the Central Texas area. Their links page curates a rich collection of resources covering getting licensed, contesting, propagation tools, YouTube educators, and connections to other local and regional radio clubs.
https://w0ne.org/
The Winona Amateur Radio Club (WARC) is an ARRL-affiliated club based in Winona, Minnesota, founded in 1945 and serving local ham radio enthusiasts with repeaters, nets, and emergency preparedness resources. Visitors will find club news, event calendars, QSL card verification tools, a remote station, SKYWARN information, and membership details.
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://w5ac.tamu.edu/
W5AC is the Texas A&M University Amateur Radio Club, founded in 1912, making it one of the oldest university radio clubs in existence. The site covers club meetings, repeater information, nets, field day events, emergency communications, and free license exam sessions open to students and the public.
http://james.ahlstrom.name/pcr1000
James Ahlstrom shares his Python-based control software for the Icom PCR-1000 wideband radio receiver, covering the full 100 kHz to 1.3 GHz tuning range. The page includes setup instructions for Windows and Linux, download links for dependencies like pyserial and pywin32, and a practical explanation of how PC-controlled radio software works.