网站简介：Worldwide DX is an online Amateur Radio & CB Radio forum website with dedicated members who discuss the use and modification of Ham Radio, CB Radio, Antennas, and equipment for use on HF, VHF, UHF, as well as CB.
网站简介：Manual for getting started with VOACAP, an ionospheric prediction software program.
网站简介：Information on lodging, directions, schedules, FAQ, and event history.
网站简介：Contains links, downloads and maps of activity in the United States.
网站简介：Dedicated to helping D-STAR users, with basic to detailed technical information. Offers FAQ, list of nets, product reviews and links.
网站简介：Information on the United Kingdom amateur radio repeater networks from the RSGB Emerging Technology Co-ordination Committee. Links, channel frequency tables and operational status.
网站简介：Provides information about KWARC, dates of its annual flea market, club roster, DX and radio mods links and swap shop.
网站简介：Offers a collection of antenna plans for HF and VHF bands, with assembling instructions, drawings and pictures.
网站简介：TAPR is an international non-profit educational research and development organization focused on the issues of amateur radio wireless digital communications.
网站简介：News and articles pertaining to ham radio. Includes links, list of clubs and writer's guide.
网站简介：A How To place for mobile amateur radio operators.
网站简介：Paul Herrman with information on solar propagation. Sierra Vista, Arizona.
网站简介：Italian amateur presents ham radio related links organized by topic.
网站简介：A Windows program to plot and measure a rotating beam antenna's polar diagram.
网站简介：An online ham radio magazine devoted to DXing and contesting. [Italian and English]
网站简介：RTTY and MMSSTV freeware software programs by JE3HHT, Makoto (Mako) Mori.
网站简介：Windows based general logging, contest-specific, and ham exam software.
网站简介：Practice examinations for United States FCC Amateur and Commercial Radio Exam candidates. Also offers customizable Morse Code practice.
网站简介：View flash cards for all current question pools, or take practice tests for United States amateur radio licenses. The site keeps statistics on your answers to help gauge progress. [Free registration required]
网站简介：SOTA is an award scheme for radio amateurs and shortwave listeners that encourages portable operation in mountainous areas. There are awards for activators (those who ascend to the summits) and chasers (who either operate from home, a local hilltop or are even activators on other summits).
网站简介：Exists to promote and serve the needs of the AM community. Includes AM Press/Exchange Online publication, and the AM Radio Email Reflector.
网站简介：NASA information including television, orbital and satellite tracking and weather.
网站简介：Manuals and schematics by brand name. Accepts manuals for inclusion in the archive.
网站简介：RigReference.com is a site designed for and by Ham Radio enthusiasts (hams). RigReference.com provides information about amateur radio equipment (rigs) and allows and encourages members to share their opinions about these rigs.
网站简介：Includes QSL manager and information, IOTA, log search, and tips and schemes for RTTY.