A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Mission type | OSCAR |
---|---|
Operator | University of Surrey |
COSPAR ID | 1981-100B |
SATCAT no. | 12888 |
Spacecraft properties | |
Launch mass | 54 kilograms (119 lb) |
Start of mission | |
Launch date | 6 October 1981, 11:27 | UTC
Rocket | Delta 2310 D-157 |
Launch site | Vandenberg SLC-2W |
Orbital parameters | |
Reference system | Geocentric |
Regime | Low Earth |
Perigee altitude | 372 kilometres (231 mi) |
Apogee altitude | 374 kilometres (232 mi) |
Inclination | 97.6° |
Period | 92 minutes |
UoSAT-1, also known as UoSAT-OSCAR 9 (UO-9), was a British amateur radio satellite which orbited Earth. It was built at the University of Surrey and launched into low Earth orbit on 6 October 1981. It exceeded its anticipated two-year orbital lifespan[1] by six years, having received signals on 13 October 1989,[2] before re-entering the atmosphere.
This was the first of several UoSAT satellites; followed by UoSAT-2.
Mission
Like its successor UoSAT-2 it carried a CCD camera and a Digitalker speech synthesiser,[1] and transmitted telemetry data on a 145.826 MHz beacon at 1200 baud using asynchronous AFSK.[3]
The Astrid package sold by British firm MM Microwave,[4] consisting of a fixed frequency VHF receiver set and software for the BBC Micro, could display the telemetry frames from either UoSAT-1 or UoSAT-2.[1] UoSAT-1's solar arrays were of an experimental design reused for UoSAT-2.[1]
Computers and Data Processing
The primary computer for the satellite was the RCA 1802 microprocessor.[5] A secondary microprocessor was also employed, the "F100L" (a Ferranti 16-bit processor). Memory was 16K of DRAM.
References
- ^ a b c d Cook, Mike (June 1986). "Way into the world of satellite telemetry: Mike Cook reviews the Astrid telemetry package". The Micro User. 4 (4). Stockport, UK: Database Publications: 100–1. ISSN 0265-4040.
- ^ Bopp, Matthias (2 October 2010). "Homepage DD1US / Sounds from Space". Retrieved 13 October 2010.
- ^ "Amateur Satellite Summary - UoSAT-OSCAR-11". AMSAT. Retrieved 17 January 2014.
- ^ Webb, Stephen R. (16 January 2008). "Even More FAQs". Archived from the original on 2 August 2009. Retrieved 13 October 2010.
- ^ "The COSMAC 1802 and AMSATs, OSCARs and UoSATs".
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