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- Vortex_(satellite) abstract "Vortex, previously known as Chalet, was a class of spy satellite operated by the United States during the 1980s and 1990s to collect signals intelligence (SIGINT) from high Earth orbit. The Vortex satellites were operated by the National Reconnaissance Office for the United States Air Force and listened to radio transmissions originating from Earth or space. The intercepted data is believed to have been fed into and analyzed by the National Security Agency ECHELON system.The satellites each had a mass of approximately 1,800 kilograms and are operated from non-stationary geosynchronous orbits. Each reportedly carried a 38-meter-diameter umbrella-like reflecting dish to collect radio signals from Earth. At least six launch attempts were made of Chalet/Vortex satellites between 1978 and 1989. The Chalet/Vortex satellites replaced the older generation of Canyon satellites, and were superseded by the larger, more capable Mercury satellites.".
- Vortex_(satellite) thumbnail SIGINT_Vortex.jpg?width=300.
- Vortex_(satellite) wikiPageExternalLink log.
- Vortex_(satellite) wikiPageExternalLink overview.htm.
- Vortex_(satellite) wikiPageExternalLink news.369.
- Vortex_(satellite) wikiPageExternalLink spacecraftDisplay.do?id=1978-058A.
- Vortex_(satellite) wikiPageExternalLink spacecraftDisplay.do?id=1979-086A.
- Vortex_(satellite) wikiPageExternalLink spacecraftDisplay.do?id=1981-107A.
- Vortex_(satellite) wikiPageExternalLink spacecraftDisplay.do?id=1984-009A.
- Vortex_(satellite) wikiPageExternalLink spacecraftDisplay.do?id=1988-077A.
- Vortex_(satellite) wikiPageExternalLink spacecraftDisplay.do?id=1989-035A.
- Vortex_(satellite) wikiPageExternalLink chalet.htm.
- Vortex_(satellite) wikiPageExternalLink Chalet_Vortex.html.
- Vortex_(satellite) wikiPageExternalLink androart.htm.
- Vortex_(satellite) wikiPageID "30860609".
- Vortex_(satellite) wikiPageLength "4727".
- Vortex_(satellite) wikiPageOutDegree "50".
- Vortex_(satellite) wikiPageRevisionID "628253185".
- Vortex_(satellite) wikiPageWikiLink Canyon_(satellite).
- Vortex_(satellite) wikiPageWikiLink Cape_Canaveral_Air_Force_Station.
- Vortex_(satellite) wikiPageWikiLink Cape_Canaveral_Air_Force_Station_Space_Launch_Complex_40.
- Vortex_(satellite) wikiPageWikiLink Category:National_Reconnaissance_Office_satellites.
- Vortex_(satellite) wikiPageWikiLink Category:SIGINT_satellites.
- Vortex_(satellite) wikiPageWikiLink Central_Intelligence_Agency.
- Vortex_(satellite) wikiPageWikiLink ECHELON.
- Vortex_(satellite) wikiPageWikiLink Encyclopedia_Astronautica.
- Vortex_(satellite) wikiPageWikiLink Federation_of_American_Scientists.
- Vortex_(satellite) wikiPageWikiLink Geosynchronous_orbit.
- Vortex_(satellite) wikiPageWikiLink International_Designator.
- Vortex_(satellite) wikiPageWikiLink Jonathans_Space_Report.
- Vortex_(satellite) wikiPageWikiLink Kilogram.
- Vortex_(satellite) wikiPageWikiLink Magnum_(satellite).
- Vortex_(satellite) wikiPageWikiLink Mercury_(satellite).
- Vortex_(satellite) wikiPageWikiLink National_Reconnaissance_Office.
- Vortex_(satellite) wikiPageWikiLink National_Security_Agency.
- Vortex_(satellite) wikiPageWikiLink OPS_0441.
- Vortex_(satellite) wikiPageWikiLink OPS_1948.
- Vortex_(satellite) wikiPageWikiLink OPS_4029.
- Vortex_(satellite) wikiPageWikiLink OPS_9454.
- Vortex_(satellite) wikiPageWikiLink Parabolic_reflector.
- Vortex_(satellite) wikiPageWikiLink Reconnaissance_satellite.
- Vortex_(satellite) wikiPageWikiLink Satellite_Catalog_Number.
- Vortex_(satellite) wikiPageWikiLink Signals_intelligence.
- Vortex_(satellite) wikiPageWikiLink Titan_(rocket_family).
- Vortex_(satellite) wikiPageWikiLink Titan_34D.
- Vortex_(satellite) wikiPageWikiLink Transtage.
- Vortex_(satellite) wikiPageWikiLink USA-31.
- Vortex_(satellite) wikiPageWikiLink USA-37.
- Vortex_(satellite) wikiPageWikiLink United_States.
- Vortex_(satellite) wikiPageWikiLink United_States_Air_Force.
- Vortex_(satellite) wikiPageWikiLink File:SIGINT_Vortex.jpg.
- Vortex_(satellite) wikiPageWikiLinkText "Chalet".
- Vortex_(satellite) wikiPageWikiLinkText "VORTEX".
- Vortex_(satellite) wikiPageWikiLinkText "Vortex (satellite)".
- Vortex_(satellite) wikiPageWikiLinkText "Vortex 4".
- Vortex_(satellite) wikiPageWikiLinkText "Vortex 6".
- Vortex_(satellite) wikiPageWikiLinkText "Vortex".
- Vortex_(satellite) wikiPageWikiLinkText "Vortex_(satellite)#Launches".
- Vortex_(satellite) wikiPageUsesTemplate Template:NRO_satellites.
- Vortex_(satellite) wikiPageUsesTemplate Template:US_Reconnaissance_Satellites.
- Vortex_(satellite) subject Category:National_Reconnaissance_Office_satellites.
- Vortex_(satellite) subject Category:SIGINT_satellites.
- Vortex_(satellite) hypernym Satellite.
- Vortex_(satellite) type ArtificialSatellite.
- Vortex_(satellite) type Redirect.
- Vortex_(satellite) comment "Vortex, previously known as Chalet, was a class of spy satellite operated by the United States during the 1980s and 1990s to collect signals intelligence (SIGINT) from high Earth orbit. The Vortex satellites were operated by the National Reconnaissance Office for the United States Air Force and listened to radio transmissions originating from Earth or space.".
- Vortex_(satellite) label "Vortex (satellite)".
- Vortex_(satellite) sameAs Q7941910.
- Vortex_(satellite) sameAs m.025yhr_.
- Vortex_(satellite) sameAs Q7941910.
- Vortex_(satellite) wasDerivedFrom Vortex_(satellite)?oldid=628253185.
- Vortex_(satellite) depiction SIGINT_Vortex.jpg.
- Vortex_(satellite) isPrimaryTopicOf Vortex_(satellite).