Telstar 3
| Telstar 3 (301/302/303) | |
|---|---|
| Start date | July 28, 1983 August 30, 1984 June 17, 1985 |
| Launcher |
Delta 3920 Space Shuttle Space Shuttle |
| Launch site |
LC-17A LC-39A LC-39A |
| Manufacturer | Hughes |
| model | HS-376 |
| lifespan | ten years |
| operator | AT&T |
| Playback information | |
| Transponder | 24 C-band |
| Transponder performance | 8.5 W (TWTA) |
| Bandwidth | 36 MHz |
| EIRP | CONUS: 34 dBW |
| Others | |
| Electrical power | 917 watts |
| position | |
| First position | 96 ° West 86 ° West 125 ° West |
| Actual position | 23.0 ° |
| List of geostationary satellites | |
Telstar 3 was the name of three American communications satellites that were launched by AT&T , reviving the name of the earlier Telstar satellites.
After the success of the Telstar 1 and 2 satellites, these geostationary satellites made it possible to transmit television, radio and telephone connections between the USA, Alaska, Hawaii, Puerto Rico and some islands.
The spin-stabilized, cylindrical satellites were built by Hughes Space and Communications on the basis of their HS-376 satellite bus, which achieved a total length of 6.83 m in space thanks to an extendable hollow cylinder equipped with additional solar cells. The solar cells initially delivered a total of 917 watts of power. The diameter was 2.16 m, the mass at the start was 1225 kg, in orbit at 653 kg. The transmission took place via 24 C-band transponders. The planned service life is ten years.
The launch of Telstar 301 (Telstar 3A, later Arabsat 1E) took place on July 28, 1983 with a Delta 3920 rocket. Telstar 302 followed on August 30, 1984 and Telstar 303 on June 17, 1985, each with a space shuttle .
Web links
- Gunter's Space Page: Telstar-3 (English)
- Boeing: Telstar 3 ( Memento from October 4, 2012 in the Internet Archive ) (English)
Individual evidence
- ↑ tbs-satellite: Telstar 301
- ↑ Telstar 3 in the NSSDCA Master Catalog (English)