Universal Space Network
Universal Space Network, Inc., or USN is an American company specializing in tracking, telemetry, and control of spacecraft. It is a subsidiary of Swedish Space Corporation, with four main sites and cooperative agreements with many others.[1] USN has been used by commercial satellite operations such as Sirius XM Radio[2] and scientific missions both in low Earth orbit (such as GALEX[3]) and in orbit around the Moon (such as Lunar Reconnaissance Orbiter[4]). USN has offered a 50% discount for their services for competitors for the Google Lunar X Prize.
External links
- Universal Space Network main site.
- Integrating a Global TT&C Network Paper from USN about integration with other networks.
References
- ^ "Near Earth Network (NEN) Users' Guide" (PDF). NASA. 2010. Archived from the original (PDF) on 2011-08-15. Chapter 6, Universal Space Network Stations.
- ^ "Universal Space Network to Provide Commercial Telemetry and Tracking for Sirius Satellite Radio". SpaceRef. 2009.
- ^ "Universal Space Network Commercial Antenna Network Evaluation (CANE) Overview" (PDF). 2002.
- ^ Mazarico, E; Goossens, SJ; Lemoine, FG; Neumann, GA; Torrence, MH; Rowlands, DD; et al. (2013). Improved Orbit Determination of Lunar Orbiters with Lunar Gravity Fields Obtained by the GRAIL Mission (PDF). 44th Lunar and Planetary Science Conference (2013). Vol. 1719. p. 2414.