Radio 4 (satellite)
| Radio 4 Radio Sputnik 4 RS-4 |
|
|---|---|
| Type: | Training satellite , amateur radio satellite |
| Country: |
 Soviet Union
|
| Operator: | DOSAAF |
| COSPAR-ID : | 1981-120D |
| Mission dates | |
| Dimensions: | 77 kg |
| Begin: | December 17, 1981 UTC |
| Starting place: | Plesetsk 32/2 |
| Launcher: | Cosmos-3M |
| Status: | inactive |
| Orbit data | |
| Rotation time : | 119.3 min |
| Orbit inclination : | 83.0 ° |
| Apogee height : | 1671.8 km |
| Perigee height : | 1642.9 km |
Radio 4 , Radio Sputnik 4 or RS-4 is a Soviet amateur radio satellite that was developed and built by the central radio club of the DOSAAF . Radio 4 (and also Radio 3 ) did not contain a transponder and was called an experimental satellite.
mission
The satellite was launched on December 17, 1981 together with RS-3 and RS-5 to RS-8 with a Russian Kosmos-3M launcher from the Plesetsk Cosmodrome in Russia. RS3A in Moscow was named as the command station.
Frequencies
- 29.360 MHz beacon 1
- 29.403 MHz beacon 2
literature
- Vern Riportella (WA2LQQ): Radio Sputnik's Alive in Orbit !!! in AMSAT Satellite Report 1981 # 23/24, December 31
- Martin Davidoff: The Radio Amateurs Satellite Handbook , The American Radio Relay League , 1998
- Hans-Uwe Fortier: VHF QTC. In Funkamateur , 1981, issue 12, page 619 and 1982, issue 2, page 100
Individual evidence
- ↑ Ciprian Sufitchi: Radio 4. March 31, 2019, accessed on March 31, 2019 (English).
- ↑ Gunter Krebs: Radio Sputnik 3, 4, 5, 6, 7, 8 (RS 3, 4, 5, 6, 7, 8). December 11, 2017, accessed March 31, 2019 .