SPRE Home Page
- The Spartan Packet Radio Experiment (SPRE) is an Amateur Radio (Ham radio) communications experiment. The primary mission was to test satellite tracking using amateur packet radio and Global Positioning System (GPS). SPRE was developed and built by the University of Maryland Amateur Radio Association (UMARA) with assistance from NASA, volunteer engineers, and volunteer software professionals.
- The SPACEWARN bulletin is intended to serve as an international communication mechanism for the rapid distribution of information on satellites and space probes.
NAVSTAR GPS Timing Operations
- NAVSTAR GPS Timing Operations, USNO GPS Data & Information Files Global Positioning System Overview Current GPS Constellation, GPS Time Transfer Operations, GPS & Glonass Satellite Visibility
- The home of Soci?t? Europ?enne des Satellites.
- European Telecommunications Satellite Organization
- AMSAT is a worldwide group of Amateur Radio Operators who share a common interest in building, launching and communicating with each other through non-commercial Amateur Radio satellites.
HF Beacon tracker
- This Windows program will identify the 18 worldwide NCDXF/IARU International Beacon Stations and display each, as they become active
n just 3 minutes, you will know if a band is really open
- FTV is an MS-DOS program used to receive images from Weather Satellites and Terrestrial Facsimile Stations, text transmissions from radio telex services, Morse code, as well as Amateur Radio FAX, SSTV, RTTY and CW signals. It can also be used to transmit FAX and SSTV. No external hardware, other than a radio, is required, as all the necessary signal processing is implemented in software.