Amateur Radio
682 sites
http://drseti.com/
The personal website of Dr. H. Paul Shuch, N6TX, an aerospace engineer and educator best known as 'Dr. SETI' for his work in the Search for Extra-Terrestrial Intelligence. Beyond SETI and radio astronomy, the site weaves together his interests in amateur radio, EME (Earth-Moon-Earth) communication, folk and filk music, poetry, and Vietnam veteran experiences.
https://realhamradio.com/
K8CU's amateur radio station site features well-documented technical construction projects including high-power GS35B RF amplifiers, HF log periodic antennas, GPS frequency standards, and Six meter equipment. Vintage receiver restoration, mobile RFI solutions, and detailed technical articles make this a rich resource for serious radio amateurs worldwide.
http://qsl.at/
DokuFunk is the world's largest archive dedicated to the history of radio and electronic media, based in Vienna with worldwide membership and over six million objects in its collection. The organization focuses on both broadcast radio and amateur radio history, preserving QSL cards and other radio-related artifacts under the motto 'No future without origins.'
https://naqcc.info/
The North American QRP CW Club (NAQCC) is a free-to-join nonprofit organization dedicated to promoting low-power amateur radio operation using Morse Code and simple wire antennas. Members can participate in contests, sprints, challenges, and CW nets, with resources to help hams of all skill levels improve their CW speed and proficiency.
http://ibiblio.org/modena/hamradio.html
Steve Modena (AB4EL) built this focused ham radio link archive hosted on ibiblio, collecting mailing list digests, USENET archives, and FAQs across specialized topics like QRP, boatanchors, Collins radios, glowbugs, Heathkit, homebrew, and the 160-meter topband. A handy centralized gateway for vintage and low-power radio enthusiasts looking to dig into discussion archives and community resources from the late 1990s and early 2000s.
http://t-hunter.org/
The Southern California Transmitter Hunters is a club dedicated to amateur radio direction finding (RDF), where participants use specialized antenna equipment to track down hidden transmitters. The site covers upcoming hunts, past results, equipment guides, hunt boundaries, and stories from the field, making it a rich resource for the local ham radio foxhunting community.
http://monitoringtimes.com/html/mtswlprimer1.html
A beginner's guide to shortwave radio listening from Monitoring Times, written by Ken Reitz, covering how to choose the right receiver across price ranges from budget portables to professional communications receivers. The article walks newcomers through buying new versus used equipment, notable brands like Sony, Sangean, and Grundig, and even vintage shortwave sets worth hunting down at ham fests.
https://www.qsl.net/w8ea
The Licking County Contest Group (LCCG) is a club of amateur radio operators in Licking County, Ohio who gather around the competitive side of the hobby. The site links to contest resources like ARRL Contests and the KA9FOX DX Library, and serves as a memorial to longtime local ham Otto Geyer, W8EA.
https://www.qsl.net/dl4mea
Günter Köllner (DL4MEA) shares his extensive ham radio station based near Munich, Germany, with a focus on VHF, UHF, SHF, and EME (Earth-Moon-Earth) communication across multiple bands from 144MHz up to 5760MHz. Nearly all of his equipment is homemade, and the site details his rigs, antennas, worked squares maps, and beacon operations including the experimental beacon DB0FAI.
https://amrad.org/
AMRAD, the Amateur Radio Research and Development Corporation, is a technical ham radio club based in Fairfax, Virginia, focused on cutting-edge projects like weak signal detection, low frequency (LF) experimentation, software-defined radio (SDR), and spread spectrum research. The site serves as a hub for members and enthusiasts alike, featuring project documentation, newsletters, forums, and meeting information for this long-running research-oriented amateur radio organization.