| Northern Lights Software Associates: Nova for Windows tracks an unlimited number of satellites in real time. |
| Amateur Radio Satellite Tracking 2003: Portal site listing a wide variety of information related to satellite tracking, including satellite list and news. |
| AMSAT: Information regarding amateur radio satellite communications. Also available are Keplerian elements in several formats, updated weekly. |
| AO-10: Information about AO-10, including status updates on a periodic basis. |
| CelesTrak: Keplerian elements for most satellites in low-earth orbit. Also includes historical archives dating back to 1980 and information about satellite tracking. |
| 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. |
| FODtrack Satellite Tracking Interface: Construction tips to build a amateur radio satellite tracking dual-axis rotor controller using a PIC16F877 IC. |
| G-Predict: Free, real-time satellite tracking and orbit prediction software. |
| Heavens Above: Real-time satellite, ISS, and Space Shuttle orbital pass information, maps, star and charts. |
| LogSat: Advanced software, with features including antenna radiation maps for optimal satellite coverage. |
| MSFC: Real-time Satellite Tracking: Two-dimensional and three-dimensional applets showing the positions of over 700 satellites. Also includes a sighting guide and public-use images of the whereabouts of several popular satellites. |
| N2YO Satellite tracking Interface: Web-based realtime satellite mapping tool tracking many amateur satellites. |
| Orbitron - Satellite Tracking System: Shows positions of satellites at any given moment in real or simulated time. Free download (Cardware). [multi-language] |
| P3D Article by KA0SNL: Discusses main design goal of making satellite operations less complex and less expensive for operator on the ground. Includes photographs. |
| Project Oscar: International amateur satellite organization - web site contains info about amateur satellites, operating information, status of individual satellites and an online tracking application. |
| 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. |
| Safety Track: Global Positioning System for law enforcement, private and commercial users to track vehicles. Complete information, plus a demo. |
| Satellite Frequency Guide: A tabular guide to amateur radio satellite frequencies. |
| Satellite Index Project: Graphical and real-time information on satellite locations. |
| Satellite Tracking Prediction Form: Satellite tracking pass predictions includes by state listings, and related resources. |
| SatScape: Windows tracking software; features include 3D maps and can track several hundred satellites simultaneously. |
| SatSignal & WXtrack: Satellite tracking and decoding software, including WXtrack, WXtrackGL, SatSignal, GeoSatSignal, and the HRPT Reader is available for download. |
| Southern Africa Amateur Radio Satellite Association: Resource includes visual and RF satellite contact schedules. [English] |
| Timestep Weather Satellite Systems: Hardware/software products to receive data from weather satellites, for the amateur radio enthusiast |
| UK Satellite Feeds: Satellite feeds, listings, and free channels across Europe. |
| WinOrbit Home Page: Free satellite tracking software for Windows 3.x. |
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