Universal Space Network Explained

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 (archived) main site.
• Integrating a Global TT&C Network Paper from USN about integration with other networks.

Notes and References

1. Web site: Near Earth Network (NEN) Users' Guide . https://web.archive.org/web/20110815200143/http://esc.gsfc.nasa.gov/assets/files/453-UG-002905(2).pdf . dead . 2011-08-15 . . 2010. Chapter 6, Universal Space Network Stations.
2. Web site: Universal Space Network to Provide Commercial Telemetry and Tracking for Sirius Satellite Radio . SpaceRef . 2009.
3. Web site: Universal Space Network Commercial Antenna Network Evaluation (CANE) Overview . 2002.
4. Improved Orbit Determination of Lunar Orbiters with Lunar Gravity Fields Obtained by the GRAIL Mission . 6 . Mazarico, E . Goossens, SJ . Lemoine, FG . Neumann, GA . Torrence, MH . Rowlands, DD . Smith, DE . Zuber, MT . amp . 44th Lunar and Planetary Science Conference (2013) . 1719 . 2414 . 2013 .