Tselina

Tselina were a series of military SIGINT satellites originally developed in the former Soviet Union and used in the past Russian military. These satellites could pinpoint the exact location of objects emitting radio signals. They could even identify the type of emitter, its operational modes, and its activity level. This function proved valuable for detecting potential military operations by monitoring increased radio communication activity. By providing early warning of such activity, Tselina offered valuable intel that might not have been obtainable through other means.

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Wikidata
reconnaissance satellite, Russia, Soviet Union, 
Russia, artificial satellite of the Earth, Dong Fang Hong 2, Ekran, reconnaissance satellite, -2, -D, Zelina-O, Zelina-OK, Zelina-OM, Zelina-R, 

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Location: KML, Cluster Map, Maps,

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  Tselina-2 ⓘ
  

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  Tselina-D ⓘ
  model of Soviet signals intelligence satellite

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  Zelina-O ⓘ
  

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  Zelina-OK ⓘ
  

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  Zelina-OM ⓘ
  

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  Zelina-R ⓘ
  

Frameless

Type	Subtype	Date	Description	Notes	Source
class	space object		Tselina-2	Tselina	Wikidata
class	space object		Tselina-D	Tselina	Wikidata
class	space object		Zelina-O	Tselina	Wikidata
class	space object		Zelina-OK	Tselina	Wikidata
class	space object		Zelina-OM	Tselina	Wikidata
class	space object		Zelina-R	Tselina	Wikidata