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Space


Geyser-Potok

Two other Russian telecommunications systems have been operating in GEO for many years aboard Kosmos spacecraft. Beginning with Kosmos 1366 in 1982, the Potok data relay system has primarily supported military and government users. Potok transponders are hosted on Geyser satellites and utilize a unique, hexagonal phased-array antenna. The principal ground stations for the Potok system are located at Nakhodka and in the Moscow regionat Konakovo. From Geyser spacecraft positioned at 80 degrees E and 13.5 degrees W, the Potok system is designed for document and digital data transmissions in C-band. A third GEO slot at 168 degrees W has not yet been opened. Mobile and stationary transmitter/receiver stations are used with antenna diameters of 2.6-3 m as well as compact phased-array antennas. In 1992 Russian officials offered the Geyser-Potok system for commercial international use under the name Sokol (References 303-307).

On 21 September 1994, the eighth of the Geyser spacecraft was launched under the name of Kosmos 2291. The vehicle quickly moved to 80 degrees E, joining Kosmos 2085. In September, 1993, Kosmos 2085's previous companion had begun drifting off station after its mission of five years had apparently been terminated. Thus, at the end of 1994 the Potok constellation had been restored to its normal 4-satellite complement: Kosmos 2085 and 2291 at 80 degrees E and Kosmos 1888 and 2172 at 13.5 degrees W.



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Page last modified: 10-04-2016 19:05:52 ZULU