Amateur Radio
682 sites
https://rarclub.net/
The Richmond Amateur Radio Club (RARC) is a Virginia-based ham radio organization with sections covering licensing resources, club repeaters, nets, and public service events. Notable activities include Field Day operations, satellite workshops, balloon chase teams, and volunteer coordination for local community events like the Monument Avenue 10k.
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://trac.org.tr/
TRAC (Türkiye Radyo Amatörleri Cemiyeti) is the official national amateur radio society of Turkey, founded in 1962, serving licensed ham radio operators across the country with regional chapters and representatives. The site offers callbook lookups, VHF/UHF contest results, QSL bureau services, repeater information, EchoLink and APRS guides, and resources for obtaining an amateur radio license in Turkey.
http://smallwonderqrp.blogspot.com/2019/04/fiero-compact-qrp-ssbcw-transceiver.html
K.P.S. Kang's blog dedicated to QRP (low power) radio transceiver design, featuring detailed technical write-ups on homebrew SSB/CW transceivers like the FIREO, which uses an innovative FM limiter circuit for speech compression. A must-read for ham radio enthusiasts interested in minimalist radio construction and RF engineering theory.
https://lcwo.net/
LCWO.net, created by Fabian Kurz (DJ5CW), is a comprehensive web-based platform for learning Morse code (CW) using the Koch method, with interactive exercises, progress tracking, and a global community of learners. The site features user highscores, forums, user groups, and multilingual support across dozens of languages, making it a go-to resource for ham radio operators worldwide.
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.
http://wd5gnr.com/
WD5GNR is a ham radio operator and electronics enthusiast who shares a wealth of resources on microcontrollers, Basic Stamp and PIC projects, 68HC11 tips, and homebrew electronics. The site features free online tutorials, monthly projects, gadget reviews, electronics calculators, and links to parts suppliers, making it a genuine hub for hobbyist engineers and radio operators.
http://srgclub.org/
Karl Shoemaker (AK2O) runs this ham radio resource dedicated to the SRG Club's 147.20 MHz repeater network covering Eastern Washington and Northern Idaho, with linking to Seattle. The site dives into technical repeater building topics including flat audio, operational amplifiers, PCB work, receiver audio boards, and repeater controllers.
https://journal.seefar.dev/
Chris Farnham (W1YTQ) keeps this detailed journal covering Parks on the Air activations, antenna builds, QRP transceiver projects, and field operations across locations like Minute Man National Park and Peddocks Island. With over forty posts exploring CW/Morse Code operating, Reverse Beacon Network activity, and hands-on radio adventures, it is a rich resource for anyone interested in portable and outdoor amateur radio.
https://hexkit.com/
Ron Mott (W4RDM) runs HexKit.com, a small operation fabricating baseplate kits, hubs, and components for homebrew Hex Wire Beam, Moxon, and Spiderbeam amateur radio antennas. Over 1,700 homebrew hex beam builds have used HexKit baseplates worldwide, making this a well-regarded niche resource for DIY antenna builders.