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Universal Space Network : ウィキペディア英語版 | 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.〔(【引用サイトリンク】url=http://esc.gsfc.nasa.gov/assets/files/453-UG-002905(2).pdf ) Chapter 6, Universal Space Network Stations.〕 USN has been used by commercial satellite operations such as Sirius XM Radio〔(【引用サイトリンク】title=Universal Space Network to Provide Commercial Telemetry and Tracking for Sirius Satellite Radio )〕 and scientific missions both in low earth orbit (such as GALEX〔(【引用サイトリンク】title=Universal Space Network Commercial Antenna Network Evaluation (CANE) Overview )〕) and in orbit around the moon (such as Lunar Reconnaissance Orbiter and GRAIL.). USN has offered a 50% discount for their services for competitors for the Google Lunar X Prize. ==See also==
*(Universal Space Network ) main site. *(Integrating a Global TT&C Network ) Paper from USN about integration with other networks.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Universal Space Network」の詳細全文を読む
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