Amateur Radio
682 sites
http://users.marktwain.net/aschmitz/home.html
KB0YKI's Radio Zone is Aaron Schmitz's amateur radio resource featuring antenna building hints, gamma match plans, repeater building guides, and online tools like a Yagi designer and J-Pole designer. The site also includes a QSL card maker, regional scanner frequencies, and a repeater map, making it a handy reference for ham radio hobbyists.
https://www.qsl.net/pkrs
The President Karami Radio Society (PKRS) is an internationally recognized amateur radio club based in Tripoli, Lebanon, operating under the callsign OD5RAK. The site covers club history, members, awards, technical resources, and eQSL information, offering a window into ham radio culture in northern Lebanon.
https://m0rvb.uk/
The personal landing page for M0RVB, a licensed amateur radio operator whose callsign spells out Mike Zero Romeo Victor Bravo. The site links out to his radio blog, a KiwiSDR receiver, and his presence on mastodon.radio, making it a hub for his ham radio online activity.
https://rep.pt/
The Rede dos Emissores Portugueses (REP) is Portugal's national amateur radio association, founded in 1926 and a member of the IARU since 1933, representing ham radio operators across Portugal, the Azores, and Madeira. The site offers a repeater network directory covering VHF/UHF FM, DMR, D-Star, Echolink, and more, alongside news, contests, licensing information, and regulatory resources from ANACOM.
https://qsl.net/ct1nmv
The Radio Scouting Department (Departamento de Rádio Escutismo) of the Moinhos de Vento Scout Group in Portugal claims to be the first Portuguese page dedicated to radio scouting, covering Jamboree-on-the-Air (JOTA), JOTI, QSL galleries, frequencies, repeaters, and amateur radio specialties for scouts. With dozens of sections including DXCC, IOTA, telegraphy, scout call books, and historical records, this is a rich resource for the intersection of amateur radio and the scouting movement.
http://wa1mba.org/
Tom WA1MBA has built a comprehensive resource dedicated to microwave amateur radio, covering everything from 10GHz rainscatter propagation to millimeter wave band projects, waveguide design, and LNA and quadrupler hardware builds. Active since 1996, the site features technical papers, conference presentations, RF connector guides, and a mailing list reflector for fellow microwave ham enthusiasts.
http://sm0vpo.altervista.org/
Harry Lythall (SM0VPO/G4VVJ) shares an extensive collection of homebrew amateur radio construction projects, covering everything from QRP transmitters and receivers to circuit boards, oscillators, and RF amplifiers. The site is a treasure trove for hands-on ham radio enthusiasts, packed with schematics, datasheets, calculators, and practical guides for building your own radio equipment.
https://fars.k6ya.org/
The Foothills Amateur Radio Society (FARS) serves amateur radio enthusiasts across the southern San Francisco Peninsula, including Los Altos, Palo Alto, and Mountain View. The site offers meeting schedules, repeater information, newsletters, membership management, educational resources, and details on special events like ARRL Field Day and the Electronics Flea Market.
http://arrl.org/
The American Radio Relay League (ARRL) is the official national membership organization for amateur radio operators in the United States, offering news, licensing resources, regulatory advocacy, and publications like QST magazine. A comprehensive hub for ham radio enthusiasts at every level, the site covers contests, digital networking, solar updates relevant to propagation, and community events.
http://kcaprs.org./
The Kansas City APRS Organization is a regional group dedicated to Automatic Packet Reporting System (APRS) activity in the Kansas City area. This site serves as the hub for local amateur radio operators interested in real-time digital position tracking and packet radio communications.