Amateur Radio
682 sites
https://ik3qar.it/rtty/1
IK3QAR's technical page covers RTTY digital radio operation, focusing on FSK and AFSK interface circuits with detailed wiring diagrams for connecting a PC soundcard to a transceiver. The site addresses practical problems like ground loop interference and signal reentry, offering schematics and tips for rigs including the Kenwood TS940.
http://seboldt.net/k0jd
K0JD's Ham Homebrew Site is a personal amateur radio page by the operator behind the callsign K0JD, focused on homebrewing radio equipment and DIY ham radio projects. The frames-based layout is a classic hallmark of old-web personal pages dedicated to the ham radio hobby.
https://qsl.net/w6ci
Larry Marshall, callsign W6CI, shares his passion for amateur radio through this classic hobbyist homepage hosted on QSL.net, a dedicated ham radio web community. Visitors will find multiple photo albums, an introduction to the world of ham radio, and a glimpse into Larry's life as a licensed operator based in Fontana, California.
https://wt4ra.org/
The Western Tidewater Radio Association (WTRA) is an ARRL-affiliated amateur radio club serving Isle of Wight, Surry, and Southampton Counties in Virginia. The site lists upcoming events like QSO parties, flea markets, and Field Day, plus club resources including repeater info, ARES emergency communications, membership rosters, and weather service links.
https://www.qsl.net/ema-arrl/clublist.html
A comprehensive directory of amateur radio clubs across Eastern Massachusetts, organized under the ARRL Eastern Massachusetts section. Visitors will find dozens of clubs listed by name with links, spanning general, repeater, packet, contest, school, and company club categories.
https://w3eax.umd.edu/
W3EAX is the Amateur Radio Association at the University of Maryland, a student club with roots going back to 1933 and an ARRL-affiliated callsign. Their well-equipped shack includes HF, UHF/VHF, Amateur Television, and satellite gear, plus a full electronics workbench for hands-on radio experience.
https://kb9ocq.tripod.com/CW
A reference page by KB9OCQ dedicated to Morse code (CW) abbreviations and Q-signals used in amateur radio communication. It covers everything from common shorthand like TU and B4 to a full table of Q-codes with their question and statement meanings, making it a handy quick-reference for ham radio operators.
https://w9cva.org/
The Chippewa Valley Amateur Radio Club (CVARC) is a Wisconsin-based ham radio club offering licensing classes, repeater networks, hamfests, and member resources for both newcomers and seasoned operators. The site features club news, ongoing projects like a remote SDR receiver and a permanent club station, equipment sales, and links to their extensive repeater infrastructure across the region.
https://contestcalendar.com/
Run by Bruce Horn (WA7BNM), this comprehensive calendar tracks amateur radio contests worldwide, offering 8-day, 5-week, 12-month, and perpetual views alongside rules summaries, log submission deadlines, and historical data going back to 2005. Hams can customize the calendar to display only their preferred contests and even subscribe to a weekly email digest, making it an essential reference for the contesting community.
http://wadenaham.org/
The Wadena Area Amateur Radio Club serves ham radio enthusiasts in the Wadena, Minnesota region, providing a community hub for local operators. This club site connects members and promotes amateur radio activity in the area.