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Ionosfernaya Stantsiya 1, 2

Ionosfernaya #2 (Kosmos 381)

The Ionosfernaya Stantsiya satellites were ionospheric topside sounder involving the downward vertical pulse probing of the ionosphere. A variety of instruments were used and the result stored on board for subsequent readout while in radio visibility of measuring centers on earth:

  • Cosmic Ray Detector
  • VLF Receiver
  • Solar Ultraviolet (3 - 1500 A)
  • Space Radiation Detector
  • High Frequency Impedance Probe

The payload was controlled by some unspecified means to prevent disorderly spinning of the satellite. Other sensors determined its precise position in orbit and angular position in relation to the sun and the earth's magnetic field.

One satellite was lost in a launch failure, while the second one reached orbit on 2. December 19170, named Kosmos 381. It operated until mid January 1971.

Nation: USSR
Type / Application: Science, ionosphere
Contractors: OKB-10 (NPO Prikladnoi Mekhaniki, NPO PM)
Equipment: Mayak transmitter
Configuration: KAUR-1
Power: Solar cells, batteries
Lifetime: 2 months (#2)
Mass: 710 kg
Orbit: 985 km × 1023 km, 74
Satellite COSPAR Date LS Launch Vehicle Remarks
Kosmos (318) (Ionosfernaya Stantsiya #1) 1969-F15 27.12.1969 Pl LC-132/1 F Kosmos-3M
Kosmos 381 (Ionosfernaya Stantsiya #2) 1970-102A 02.12.1970 Pl LC-132/2 Kosmos-3M


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