Amateur Radio
681 sites
http://bozonets.com/
Bozo Net is a VHF/UHF amateur radio community site centered around the Los Angeles and Central California ham radio scene, with a charming origin story about the 144.200 MHz national calling frequency and how the nickname 'Bozo' was born. The site covers topics like beacon info, HOA antenna restrictions, tower raising, and links to ARRL legislative efforts affecting amateur radio operators.
http://zl2ctm.blogspot.com/2025/01/40m-pelican-case-ssb-trabsceiver.html
Charlie Morris (ZL2CTM) documents his amateur radio homebrew experiments, including this detailed post on building a 40m SSB transceiver housed in a Pelican case, complete with Arduino code for the Si5351 VFO and LCD control. The blog covers hands-on RF construction projects with schematics, code snippets, and supporting YouTube videos, making it a great resource for homebrewers interested in building their own transceivers.
https://ctdxcc.org/
The Central Texas DX and Contest Club (CTDXCC) is an ARRL-affiliated club based in Austin, Texas, uniting amateur radio operators passionate about DXing and radiosport contesting. The site features member rosters, contest scores, trophy cases, DXCC and WAZ totals, meeting schedules, and a rich club history spanning decades of ham radio activity.
https://www.qsl.net/smcara/club_members.html
The St. Mary's County Amateur Radio Association (SMCARA) has been supporting amateur radio operators in southern Maryland since 1956, and this page presents their full club membership roster with call signs, license classes, and ARRL/volunteer examiner status. With 62 members listed and resources for becoming a ham radio operator, the site offers a solid look at an active regional ham radio club.
https://dx4win.com/
DX4WIN is a logging and DX management software site for amateur radio operators, focused on tools to track contacts and DX entities. The site uses a frames-based layout typical of early web design, suggesting it has been around since the early days of the internet.
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://yb0ah.tripod.com/
H.K. Ardiwinata (YB0AH) built this Indonesian amateur radio resource covering homebrew electronics, circuit diagrams, and equipment manuals collected from personal experience and other ham radio sites. It features sections on basic electronics, ham equipment manuals, and electronics circuit diagrams, making it a useful reference for Indonesian ham radio enthusiasts.
https://www.qsl.net/w4llo/links.htm
The Key West Amateur Radio Club maintains this extensive links directory covering nearly every corner of the amateur radio hobby, from DX clusters and contesting clubs to propagation, licensing, and emergency communications resources. Compiled in collaboration with the Northern Berkshire Amateur Radio Club (NoBARC), it offers hundreds of categorized links spanning antennas, QSL cards, packet radio, shortwave, and more.
http://hamradio.de/
Hamradio.de is a German-language community hub for amateur radio enthusiasts, offering a fleamarket for used equipment, forums, contesting resources, club directories, and software. With sections dedicated to awards, DX, and contests, it serves as a comprehensive gathering point for the German-speaking ham radio community.
http://bcares.org/
The Benton County Amateur Radio Emergency Service (BCARES) connects licensed ham radio operators in Benton County, Oregon who volunteer to provide emergency communications support for the Sheriff's Office and other local agencies during disasters. The site covers the group's capabilities including packet radio, voice, Morse code, and amateur television, and also lists upcoming license classes and examinations for those looking to join.