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320:, Martin M. as a Russian spy. During the investigation, Austrian counterintelligence found a small suitcase. It had radio-communication equipment built into it so that Martin M. was able to connect to Strela-3 satellites and receive and send encrypted messages. The authorities also found a list of times when the satellite was positioned over Austria.
257:"): they remember the received messages and then resend them after the scheduled time, or by a command from the Earth. Some sources state the satellites are capable of only three months of active operation, but through coordination with others they can serve for about five years. The satellites are used for transmission of
328:
The following observations were published in 2011: On 244.512 MHz a Strela-satellite generates a 0.5s long 'trigger pulse' every 60 seconds; the purpose is to activate ground based transmitters waiting to send a message. Satellites were identified by measuring the time of closest approach using
281:(reentered 17 November 1964), were launched on 18 August 1964. Five different types of Strela satellites (six if one counts the Rodnik aka Strela-3M satellites) have been launched, designated
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In 2018 Austrian counterintelligence authorities identified an officer of the
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301:(1985-2010). Strela satellites are also used for the civilian
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390:"Satellite Catalog Number index (updated Jan 2008)"
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646:Communications satellites of the Soviet Union
597:"U.S. Satellite Destroyed in Space Collision"
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651:Military equipment introduced in the 1960s
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545:"Russische Spionage: Wie im Kalten Krieg"
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373:"2009 Iridium-Cosmos Collision Factsheet"
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305:program. The current version of Strela,
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571:"Satellite Radio Frequencies - Strela"
16:Communications satellite constellation
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595:Iannotta, Becky (11 February 2009).
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502:. Gunter Dirk Krebs. 30 January 2009
480:. Gunter Dirk Krebs. 30 January 2009
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458:. Gunter Dirk Krebs. 30 January 2009
436:. Gunter Dirk Krebs. 30 January 2009
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414:. Gunter Dirk Krebs. 30 January 2009
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621:Encyclopedia Astronautica - Strela
342:At 16:56 UTC on 10 February 2009,
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371:Brian Weeden (10 November 2010).
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145:Data rate of up to 64 kb/s)
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249:. These satellites operate as
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269:The first three satellites,
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245:constellation operating in
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378:. Secure World Foundation.
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641:Communications satellites
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346:, a retired Strela-2M,
337:Accidents and incidents
87:Military communications
261:messages and images.
522:"Strela-3M (14F132)"
478:"Strela-2M (11F610)"
434:"Strela-1M (11F625)"
636:Military satellites
456:"Strela-2 (11F610)"
412:"Strela-1 (11F610)"
392:. Jonathan McDowell
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500:"Strela-3 (17F13)"
212:(civil satellites)
201:Related spacecraft
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601:. Retrieved
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133:transponders
111:solar panels
83:Applications
57:Soviet Union
43:Manufacturer
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603:11 February
599:. Space.com
551:(in German)
506:12 February
484:12 February
462:12 February
440:12 February
418:12 February
396:12 February
344:Kosmos 2251
241:) military
206:Derivatives
188:Operational
160:Design life
630:Categories
359:References
354:satellite.
352:Iridium 33
324:Technology
318:Bundesheer
180:Production
528:10 August
307:Strela-3M
295:Strela-2M
287:Strela-1M
279:Kosmos 40
275:Kosmos 39
271:Kosmos 38
259:encrypted
251:mailboxes
154:Low Earth
127:Equipment
117:Batteries
580:14 April
555:13 April
299:Strela-3
291:Strela-2
283:Strela-1
65:Operator
265:History
227:Russian
163:5 years
311:Rodnik
303:Gonets
239:Soviet
233:, for
231:Стрела
223:Strela
210:Gonets
185:Status
150:Regime
141:D band
135:(NATO
60:Russia
47:NPO PM
33:Strela
22:Strela
376:(PDF)
235:Arrow
106:Power
605:2009
582:2021
557:2021
530:2012
508:2009
486:2009
464:2009
442:2009
420:2009
398:2009
131:UHF
77:VKO
73:GRU
69:VKS
632::
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329:a
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225:(
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137:B
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