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Radio Sputnik 3, 4, 5, 6, 7, 8 (RS 3, 4, 5, 6, 7, 8)

RS 3 [ISS Reshetnev]

Radio Sputnik 3 to 8 (RS 3 to 8) was a series of Soviet amateur radio satellites.

RS-3 and 4 were developed by the amateur radio club of the DOSAAF (Dobrovol'noe Obshchestvo Sodeistviia Armii, Aviatsii i Flotu), an organization responsible for paramilitary training of Soviet youth. The other were developed by the Radio Sputnik group.

The satellite structures were provided by NPO Prikladnoi Mekhaniki (NPO PM) based on the Strela-1M tactical store-dump satellites.

RS-3 and RS-4 were experimental satellites and did not contain transponders for general use. The remaining satellites contained Mode A linear transponders.

RS-5 and RS-7 both contained autotransponders called ROBOTS. These ROBOTS made it possible to carry on a CW telegraphy contact with the spacecraft. A typical communication with the ROBOT would be initiated by the radio amateur on the ROBOT uplink frequency and the satellite would respond with a short message and issue a QSO number.

All six satellites were launched together on a dedicated Kosmos-3M rocket from Plesetsk.

Nation: USSR
Type / Application: Amateur radio communication
Operator: DOSAAF (#3, 4); Radio Sputnik group (#5 - 8)
Contractors: NPO Prikladnoi Mekhaniki (NPO PM) (bus)
Equipment:
Configuration:
Propulsion: None
Power: Solar cells, batteries
Lifetime: 1 year
Mass: 77 kg
Orbit:
Satellite COSPAR Date LS Launch Vehicle Remarks
Radio Sputnik 3 (RS 3) 1981-120A 17.12.1981 Pl LC-132/2 Kosmos-3M with RS 4, RS 5, RS 6, RS 7, RS 8
Radio Sputnik 4 (RS 4) 1981-120B 17.12.1981 Pl LC-132/2 Kosmos-3M with RS 3, RS 5, RS 6, RS 7, RS 8
Radio Sputnik 5 (RS 5) 1981-120C 17.12.1981 Pl LC-132/2 Kosmos-3M with RS 3, RS 4, RS 6, RS 7, RS 8
Radio Sputnik 6 (RS 6) 1981-120D 17.12.1981 Pl LC-132/2 Kosmos-3M with RS 3, RS 4, RS 5, RS 7, RS 8
Radio Sputnik 7 (RS 7) 1981-120E 17.12.1981 Pl LC-132/2 Kosmos-3M with RS 3, RS 4, RS 5, RS 6, RS 8
Radio Sputnik 8 (RS 8) 1981-120F 17.12.1981 Pl LC-132/2 Kosmos-3M with RS 3, RS 4, RS 5, RS 6, RS 7