website introduction：Includes news, searchable callsign database, license renewals and updates, DX spotting reports, APRS resources, clubs, solar report, and links.
website introduction：ARRL headquarters office in Newington, Connecticut. General amateur radio information, membership information, news, events schedule, coordinating organizations.
website introduction：Provides reference information including news, local frequencies, and a wiki.
website introduction：Amateur community portal featuring callsign lookup, product reviews, classifieds, news, articles, QSL managers, forums, propagation information, chat and surveys.
website introduction：.PDF datasheets for electronic components, including RF modules, transistors, integrated circuits, and amateur equipment.
website introduction：Email forwarding aliases at @qsl.net, available free to radio hams only. Also offer web hosting and other amateur radio related services.
website introduction：Design a free or pay eQSL card online, and send and receive eQSL cards.
website introduction：Produces communications equipment for marine, amateur and shortwave use.
website introduction：Global real-time APRS map view, updates automatically without reloading.
website introduction：A large collection of amateur radio (ham radio) links, organized in categories, includes shortwave radio topics as SWL and BCL,antenna homebrewing,police radio scanner,manufacturers shops and CB radio world. All links are reviewed by real ham radio operators and submitted on daily basis
website introduction：Web-based ham radio tools to produce DXCC league tables, expedition tools, log search services and most-wanted lists.
website introduction：Don presents amateur radio information for both novice and veterans in the United States, as well as information, tips and how to projects.
website introduction：Includes Java and CGI translators, alphabets, and FAQs.
website introduction：DX spots and propagation information from RADIO Arcala, CR2X, OH8X AND OH0X.
website introduction：Manufacturer of audio, video products, mini systems, personal and floor care small appliance and phones. Germany.
website introduction：Offers club history, licensing information, rules and regulations and a link to local chapters of the DARC. [English, German]
website introduction：This callsign database provides all information free to users. Also offers a forum.
website introduction：Devoted to amateur radio competitions (contests).
website introduction：Virtual amateur radio transceiver software for Windows, Mac or Linux systems.
website introduction：Amateur radio long distance contact information scoreboard and more
website introduction：Features archive of contest results with category and callsign, as well as other ham radio mailing lists.
website introduction：System to connect amateur radio operators to repeaters, simplex links, and other hams. Includes interface information, documentation, and node information.
website introduction：Database of old scanner frequencies for thousands of cities across the country.
website introduction：Provides DX news, guest posts, images and movies.
website introduction：Manuals include for Icom, Yaesu and Kenwood, in several languages. (.PDF)