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The Spartan Packet Radio Experiment (SPRE) was an Amateur Radio communications experiment that flew on the Space Shuttle Endeavour's STS-72 mission as part of NASA's Spartan/OAST-Flyer spacecraft in January 1996. The experiment was intended to test the tracking of satellites via amateur packet radio (Automatic Packet Reporting System), and was designed and built by the Amateur Radio Association at the University of Maryland (W3EAX). Required GPS data for the experiment was provided by another portion of the Spartan payload. The operating mode was FM, AFSK 1200 baud packet radio, transmitted at 145.550 MHz.

References

1. "STS-72". Archived from the original on 20 December 2016. Retrieved 22 January 2009.
2. ^ "IARU AMSAT frequency coordinator appointed". 9 December 1995. Archived from the original (TXT) on 21 August 1999.
3. Unknown
4. McCaughey, Ken. "Spartan Packet Radio Experiment (SPRE)". Archived from the original on 25 November 2010. Retrieved 22 January 2009.

External links

• W3EAX Website at the Wayback Machine (archived 20 July 2011)
• Photos and More Information at the Wayback Machine (archived 25 November 2010)

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• Packet radio
• Global Positioning System
• Space Shuttle program
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