UoSat-OSCAR 9
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UO-9 (aka AMSAT OSCAR-9, or the University of Surrey's UoSAT-1) was an amateur satellite built at the University of Surrey and launched into low Earth orbit on October 6, 1981. It exceeded its planned orbital lifespan by at least three years, being attested in June 1986, before re-entering the atmosphere. Like its successor UoSAT-2[1] it transmitted telemetry data on a 145.826MHz beacon at 1200 baud using asynchronous AFSK.[2] The Astrid package sold by British firm MM Microware, consisting of a fixed frequency VHF receiver set and software for the BBC Micro, could interpret the telemetry frames from either UoSAT-1 or UoSAT-2.
UoSAT-1's solar arrays were of an experimental design reused for UoSAT-2.[1]