Amateur Radio
682 sites
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://lcra.org.co/
The Liga Colombiana de Radioaficionados (LCRA) is Colombia's national amateur radio organization, founded in 1933 and serving as a member society of the IARU. The site covers licensing procedures, reciprocal license applications, frequency bands, club history, diplomas, and official resolutions for Colombian ham radio operators.
https://m0pqa.com/
Pablo (M0PQA) runs this technical amateur radio blog covering hands-on projects like firmware recovery, AllStar node modifications, APRS gateways, and packet radio on Raspberry Pi. The posts are detailed and practical, making it a valuable reference for hams tackling real-world station challenges.
https://k3ltc.com/
Nate Berry's personal amateur radio page serves as a virtual QSL card for callsign K3LTC, a General class operator based in New York's FN30mu grid square. The site details his involvement with the Suffolk County Radio Club, activity on 2 meter and 70 centimeter bands, and even features an image transmitted via SSTV.
http://mndmr.net/
MNDMR.net is the home of Minnesota's first in-house DMR repeater CBRIDGE network, providing information about connected repeaters, talkgroups, and codeplugs for digital radio users in the region. The site serves the local amateur radio community with resources for the MNSTATE and MNTAC talkgroups on the Brandmeister network.
https://mnyarc.org/
MNYARC, the Minnesota Youth Amateur Radio Council, is a non-profit 501(c)3 organization dedicated to sponsoring and supporting youth-oriented amateur radio clubs and activities. The site covers events like JOTA, Skywarn Recognition Day, Girl Scout Jamboree participation, online VE licensing exams, and ham radio science projects for young operators.
https://www.qsl.net/iz7ath/web/02_brew/brew_eng.htm
IZ7ATH's homebrew section is a treasure trove of DIY amateur radio projects covering antennas, RF devices, shack accessories, and test instruments. Visitors will find detailed build guides for cubical quads, delta loops, linear amplifiers, baluns, antenna rotators, and beginner soldering tutorials all in one place.
https://oevsv.at/home
The ÖVSV (Österreichischer Versuchssenderverband) is the official national amateur radio organization of Austria, covering all nine regional associations and offering resources on licensing, operating modes, contests, and technical information. Visitors can find band plans, contest calendars, QSL card services, satellite radio info, and news about events like HAM RADIO Friedrichshafen and the organization's 100-year anniversary.
https://www.qsl.net/dl5dbm/HAM/hbrew.htm
DL5DBM's homebrew page is a technical treasure trove for amateur radio operators, featuring detailed documentation for self-built projects including a 1 KW 2-meter power amplifier, antenna preamps, transverters, baluns, and regulated power supplies. Projects span VHF, UHF, and 6-meter bands with downloadable schematics and guides in both English and German, making it a practical resource for hams who build their own equipment.
https://www.qsl.net/ve3fcg
The Festival City Amateur Radio Club (FCARC) serves amateur radio operators in the Stratford, Ontario area, listing their linked repeater system frequencies, IRLP node details, and APRS information. The site also offers a beginner's guide to ham radio, club information, and a curated collection of links for other hams including callsign search tools and dealer listings.