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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.

Radio Kits - Mailing list for people interested in building radio and electronics equipment from kits or from scratch. Frequent topics include shortwave radio receivers, construction techniques, and ham radio project.

EH Antenna Systems - Provide information relative to a new antenna concept. AM Broadcast antennas and amateur radio prototypes

Electron Tubes - Electron tubes and vacuum tubes for industry

SARA - Society of Amateur Radio Astronomers - International non-profit amateur group dedicated to observing the radio sky and sharing technical information.

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

Amateur Radio Astronomy in North Yorkshire - Amateur radio-telescope project of a retired seafarer.

Amateur SETI - Links, files and programs supporting the development of amateur SETI and radio astronomy as hobbies.

Basics of Radio Astronomy - This workbook was developed to support training for the Goldstone-Apple Valley Radio Telescope, but is a resource applicable to all radio astronomy.

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

Introduction to Radio Astronomy - Starting point for some basic facts about radio astronomy, what radio astronomers do, how radio telescopes work, and the kinds of research done with radio telescopes.

Nation River Observatory - A fully automated amateur observatory operating near Ottawa, Ontario, Canada.

Pisgah Astronomical Research Institute - Non-profit public foundation dedicated to providing research and educational access to optical and radio astronomy. Located in Rosman, North Carolina.

Radio Astronomy at the University of Indianapolis - Site provides educational information about radio astronomy. Radiotelescope data from their project is posted on the Web in real time.

Radio-Sky Publishing - Resources for amateur radio astronomers, teachers, and students.

SETI League - A non-profit educational and scientific organization devoted to privatizing the Search for Extra-Terrestrial Intelligence.

Arecibo Observatory - The largest radio telescope in the world.

ATNF - Australia Telescope National Facility - Operates the Australia Telescope, a set of radio telescopes in New South Wales. These telescopes are used, individually or together, to study objects in the Universe ranging from the remains of dead stars to entire galaxies.

Australia Telescope Compact Array Home Page - This is the main page for the Berkeley-Illinois-Maryland Association (BIMA)

Caltech Submillimeter Observatory (CSO) - A 10.4-meter diameter, submillimeter spectrum telescope. Situated at the top of Mauna Kea, Big island, Hawaii.

Hoka Electronics Italia - Decoding and data analyzer software

Atlas software for DX hunters Priority listing - Electronic World atlas for radio amateurs. DXCC and province prefixes, CQ and ITU Zones in the rectangular and azimuthal projections, continuous zoom and scrolling, Gray Line, city and island index, unique hierarchical prefix database. COM/OLE Automation for easy integration with 3-rd party programs.

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!.

Multi-SETI@Home Monitor - A graphical add-on package to monitor seti@home activity that may be running on multiple computers over a network or multiple instances on the same computer. Runs on Windows or Linux.

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.