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Information regarding amateur radio satellite communications. Also available are Keplerian elements in several formats, updated weekly.

Keplerian elements for most satellites in low-earth orbit. Also includes historical archives dating back to 1980 and information about satellite tracking.

Project led by students at Cuesta College to construct and operate a small amateur radio satellite.

Hints, tips and FAQs for getting started with the AO-40 amateur ham radio satellite. Tips on soundcard software and the PSK-1 modem. Receiving and decoding telemetry.

Real-time satellite, ISS, and Space Shuttle orbital pass information, maps, star and charts.

Nova for Windows tracks an unlimited number of satellites in real time.

International amateur satellite organization - web site contains info about amateur satellites, operating information, status of individual satellites and an online tracking application.

Graphical and real-time information on satellite locations.

Windows tracking software; features include 3D maps and can track several hundred satellites simultaneously.

Resource includes visual and RF satellite contact schedules. [English]