|Manufacturer||NPO Prikladnoi Mekhaniki|
|Country of origin||Russia|
|Operator||RKA (Until 1996)
Gonets SatCom (1996-Present)
|Design life||5 years|
|Launch mass||233 to 280 kilograms (514 to 617 lb)|
|Power||40 Watts from solar panels|
(NATO B/D band)
Data rate up to 64kb/s
Gonets (Russian Гонец, Messenger) is a Russian civilian low Earth orbit communication satellite system. It consists of a number of satellites, derived from Strela military communication satellites. The first two satellites, which were used to test and validate the system, were launched by a Tsyklon-3 carrier rocket from the Plesetsk Cosmodrome on 13 July 1992, and were designated Gonets-D. The first operational satellites, designated Gonets-D1, were launched on 19 February 1996. After launch, the first three satellites were given military Kosmos designations, a practice which was not continued with the other satellites.
Ten operational satellites and two demonstration spacecraft have been placed in orbit. A further three were lost in a launch failure on 27 December 2000. A new series of modernised Gonets satellites, Gonets-D1M, will supplement and eventually replace the satellites which are currently in orbit. A single first D1M satellite was launched by a Kosmos-3M rocket on 21 December 2005. A second D1M satellite was launched by a Rokot carrier rocket on 8 September 2010.
As of 2016[update], the Gonets orbit group comprises 12 second-generation spacecraft “Gonets-M” and 1 first-generation “Gonets-D1”. The orbital group performs the task of direct communication with subscribers at any point of the globe. With such a number of spacecraft in the Gonets orbit group, the system provides communication with waiting time characteristics as indicated in the following table.
|City,location||lat.(deg.)||Session probability=0,9 WT, min||Session probability=0,8 WT, min||Session probability=0,7 WT, min|
|Fuli, Vietnam / Vitoria, Brazil||20° / -20°||19.47||14.97||8.85|
|Yerevan, Armenia / Wellington, New Zealand||40° / -40°||17.79||12.04||6.08|
|Belgorod, Russia / Isla Duque de York, Chile||50° / -50°||15.00||8.19||2.17|
|Vyborg, Russia / Orcadas Antarctic Station||60° / -60°||5.64||1.78||0.00|
|Kara Gate Straight, Barencts Sea / Novolazarevskaya Station, Antarctic||70° / -70°||3.45||0.00||0.00|
|Gall Island, North Arctic Ocean / Antarctic Kunlun Station||80° / -80°||0.00||0.00||0.00|
|North Pole / Amundsen–Scott South Pole Station||90° / -90°||0.00||0.00||0.00|
Technical characteristics of subscriber terminals 0.3 - 0.4 GHz
|Transmitter power||8-10 W|
|Positioning accuracy by GPS/GLONASS||up to 10 m|
|Power supply||AC 220 V, DC 12 V|
|Bitrates: "Subscriber - Satellite"||2.4 – 9.6 kbit/s|
|Bitrates: "Satellite - Subscriber"||9.6 - 76.8 kbit/s|
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