Amateur Radio
682 sites
https://qsl.net/k3mx
The Tri-State DX Association (K3MX) is an amateur radio club based in Matamoras, Pennsylvania, serving operators near the New York and New Jersey borders with a focus on HF DX chasing and contesting. Founded in 1996, the club logs contest results like the Pennsylvania QSO Party and emphasizes emergency traffic handling, international goodwill, and good station engineering.
https://nerepeaters.com/
The New England Repeater Directory (NERD) is a volunteer-maintained database of amateur radio repeaters across the New England region, updated nightly to ensure accuracy. Visitors can search listings by location and band, plot results on Google Maps, and download the full database as a CSV file for use with radio programming software.
https://qsl.net/w0dk
The Boulder Amateur Radio Club (BARC) is a 501c non-profit educational organization based in Boulder, Colorado, offering monthly meetings, a weekly Wednesday night net, and an award-winning newsletter called BARC's Bark. The site covers club activities including Field Day, repeater information, VE testing, scholarships, and a junior ham program for newcomers to the hobby.
https://www.qsl.net/kc4gzx/kc4gzx/index.htm
KC4GZX is a ham radio enthusiast's site packed with homebrew DIY projects covering antennas, amplifiers, filters, transmitters, receivers, and test equipment. It also serves as a regional resource for Northeast Georgia amateur radio operators, featuring ham directories, repeater listings for multiple southeastern states, and hamfest schedules.
https://amsatnet.com/
The Houston AMSAT Net, run by KK5DO (Bruce Paige), is a weekly amateur radio net focused on satellite communications, meeting Tuesday evenings at 8PM Central and accessible via multiple repeaters and digital linking systems. The site covers AMSAT awards programs, satellite operator achievements, field day history, and resources for ham radio operators interested in communicating through amateur satellites.
http://fishpool.org.uk/
G4WIF shares a growing archive of home construction projects for amateur radio enthusiasts, covering topics like antennas, attenuators, and QRP test equipment. The site also references a co-authored book on simple test equipment for QRPers, with years of archived articles dating back to 2016.
https://qsl.net/fcg
The Frankford Communications Group (FCG) is a competitive amateur radio club based in the northeastern United States, known for its serious contesting focus and active membership. Visitors will find club news, contest results, member resources, and information about joining one of the most accomplished ham radio contest clubs in the country.
http://rfinq.com/
RF Inquiry Inc. is a Japanese company specializing in amateur and professional radio equipment, selling filters for RFI interference suppression, antennas from brands like OptiBeam and OM Power, and accessories for HF, VHF, and UHF operation. The site serves ham radio operators with a product catalog including bandpass filters, baluns, linear amplifiers, and noise reduction gear from well-known manufacturers.
https://kvarc.org/
The Kaw Valley Amateur Radio Club (KVARC), callsign W0CET, has been serving amateur radio operators in Topeka, Kansas since 1926. The site provides club members and prospective hams with meeting schedules, repeater information, licensing education resources, newsletters, and event calendars.
WA6CGR Home Page
NEW!
http://ham-radio.com/wa6cgr
Dave Glawson (WA6CGR) shares his extensive microwave radio projects, including transverters, amplifiers, and PLL systems published in Microwave Update and West Coast VHF/Microwave Conference proceedings. A valuable technical reference for hams interested in microwave experimentation, featuring contest reports from the ARRL 10 GHz and Up Contest and downloadable PDF articles.