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Antique Radio Schematics - Specializes in antique radio schematics, circuit diagrams and service data for vintage tube radios. Carries information for American, Canadian and European antique radios.

UN DX Contest 2010 - The Kazakhstan Federation of Radio sport and Radio amateur (KFRR) and Ministry of Tourism and Sport of the Republic of Kazakhstan are announcing the First UN DX CONTEST All world-wide radio amateurs having the amateur radio licence are invited to participation. Contest period: 12.00 UTC 22 May – 12.00 UTC 23 May 2010 Bands: 160m, 80m, 40m, 20m, 15m, 10m. Modes: CW and SSB

1 X 1 Special Event Calls - A Special Event Call Sign is an amateur station call sign with a one-by-one call sign format that may be reserved for assignment to stations operating in conjunction with these short-term events.

K7AR DX NorthWest Web Cluster - Web cluster sponsored by K7AR

YC5NBX Jaka Priority listing - Simple Homebrew HAM blog from indonesia

Azteca Amateur Radio Club - Come with us and enjoy our voice chat from Chicago, spanish and english.

K¤ARF Keeping Amateur Radio Fun - Keeping the fun in amateur radio with portable operating events and some contesting. Located in central Minnesota, U.S.A.

The DK5YA VHF Page - Concentrating on VHF DX, Aurora, Meteorscatter, TEP, Sporadic E, EME, VHF DXpeditions. Daily updates.

EB5ADX Enrique - Personal web site WebAPRS and more, in spanish.

IW1AU Gian Maria - My ham spirit, my publications and my home-made!

N6HB Bob - N6HB Amateur Radio Contesting homepage. Details the history of Amateur Radio station N6HB. Ham radio with a contesting slant. Many related links and fun stuff!

QRZ.RU Russian HamRadio Server - Free Russian hamradio server special for radiofanats from CIS. Search engine on callsigns, electronic circuits and hamradio programs in www powered with knowledge base.

Spectral - High End isopole VHF & UHF antennas for Amateur, Commercial and Military applications.

Amateur Radio Astronomy - A radio-telescope project observing the natural radio emissions of neutral hydrogen atoms throughout space.

EME, SETI, Radio Astronomy, DSP, and Radio Amateurs - Site dedicated to amateur radio astronomy, providing information on Earth-Moon-Earth (EME) communication, the Search for Extra-Terrestrial Intelligence

F4DAY technical website - ATV and high speed data signalling projects

RWonline Radio World Newspaper - Covers Europe, the Middle East, Africa, Asia, Canada, the Caribbean and the Pacific Region

Dave's Web Shop - C & Ku band satellite equipment - LNBs & LNBFs - MPEG-2 dvb receivers - dishes & More.

BJS Communications - Specializing in c.b. and related equipment.

Radioswl the world of radio - Ari sections, software, Marconi experiments, home-made, several link to other om-swl, by swl I1-5562/SP

WSJT High Speed Meteorscatter - "Software uses four-tone frequency-shift keying for meteor scatter. WSJT stands for ""Weak Signal communications, by K1JT"", and plans call for the program to include more than one communication mode."

XASTIR - Xastir is program for receiving and plotting APRS™ position packets. Development is a collaborative effort of programmers and amateur radio enthusiasts from around the world. Xastir supports many map formats and is highly customizable. Xastir runs on Windows/MacOSX/Linux/FreeBSD/Solaris/Lindows. It supports 125 map formats, several types of TNC's and weather stations, Festival speech synthesizer, AX.25 networking (Soundmodem/Baycom/SCC!) and seven languages!.

Beam Aim - Draws a world map centered on your QTH. Type in a DX station's call sign to get the beam aim azimuth and distance to the station.

DXCluster for iPhone - DXCluster let you know in real time who is on the frequencies and where it was listened the last time. It let you create filters to only see which frequency/CQ Zone/ITU Zone and/or Country and after that you can have an alarm corresponding to a specific Zone or a specific country that raise a popup

Interface for MS_DSP - Minimal interface circuits for receiver and transmitter audio, also for PSK31