Web Directory

» AMSAT
   Information regarding amateur radio satellite communications. Also available are Keplerian elements in several formats, updated weekly.
   http://www.amsat.org/

» AO-10
   Information about AO-10, including status updates on a periodic basis.
   http://www.cstone.net/~w4sm/AO-10.html

» CelesTrak
   Keplerian elements for most satellites in low-earth orbit. Also includes historical archives dating back to 1980 and information about satellite tracking.
   http://www.celestrak.com/

» Clarke Belt Calculator
   Given a file with satellites' Two-Line Element (TLE) you can calculate a list with the azimuth, elevation and range for any point on earth.
   http://www.golombek.com/sat/

» G-Predict
   Free, real-time satellite tracking and orbit prediction software.
   http://groundstation.sourceforge.net/gpredict/

» Heavens Above
   Real-time satellite, ISS, and Space Shuttle orbital pass information, maps, star and charts.
   http://www.heavens-above.com/

» LogSat
   Advanced software, with features including antenna radiation maps for optimal satellite coverage.
   http://www.logsat.com/

» Orbitron - Satellite Tracking System
   Shows positions of satellites at any given moment in real or simulated time. Free download (Cardware). [multi-language]
   http://www.stoff.pl

» P3D Article by KA0SNL
   Discusses main design goal of making satellite operations less complex and less expensive for operator on the ground. Includes photographs.
   http://www.amsat.org/amsat/features/ka0snl/p3d1.html

» Project Oscar
   International amateur satellite organization - web site contains info about amateur satellites, operating information, status of individual satellites and an online tracking application.
   http://www.projectoscar.net

» Real-time ISS Shuttle Data
   NASA information on the International Space Station's whereabouts, Keplerian elements for the ISS and Shuttle, and sighting prediction information.
   http://spaceflight.nasa.gov/realdata/index.html

» SatScape
   Windows tracking software; features include 3D maps and can track several hundred satellites simultaneously.
   http://www.satscape.co.uk

» Satellite Index Project
   Graphical and real-time information on satellite locations.
   http://www.roestmann.com/

» Satellite Tracking Prediction Form
   Satellite tracking pass predictions includes by state listings, and related resources.
   http://www.bester.com/satpasses.html

» Southern Africa Amateur Radio Satellite Association
   Resource includes visual and RF satellite contact schedules. [English]
   http://www.amsatsa.org.za/

» Timestep Weather Satellite Systems
   Hardware/software products to receive data from weather satellites, for the amateur radio enthusiast
   http://www.time-step.com/

» UK Satellite Feeds
   Satellite feeds, listings, and free channels across Europe.
   http://www.dxers.co.uk/

» WinOrbit Home Page
   Free satellite tracking software for Windows 3.x.
   http://www.sat-net.com/winorbit/