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NASA/NORAD number: 12888
Launch Date: 6 October 1981, Vandenberg AFB, Lompoc, CA.
Orbit type: Circular LEO, inclination 97.6 degreees, altitude 540 km
Weight: 60 kg
Stabilization: Magnetorquer, Gravity gradient
Payloads: Digitalker, CCD camera, Various experiments
Beacons: 145.825 MHz 350 mW FM, also 7, 14, 21, 29, 435.025, 2401 and 10470 MHz.
Telemetry: 105 channels. ASCII/Baudot teletype (AFSK).
Power: 17 W solar array, NiCd battery.

Notes: Built at University of Surrey (UK). First on-board computer (IHU - Integrated Housekeeping Unit) for battery and attitude management, remote control, and experiments. Re-entry 13 Oct 90 1200 UTC.

"UoSAT's Propagation Experiment", Bob Ruedisueli, W4OWA, Orbit, no. 9, January/February, 1982, p. 5.
Amsat Satellite Report, no. 192, December 15, 1989.
"The Satellite Experimenter's Handbook", 1st edition, Martin Davidoff, K2UBC, American Radio Relay League, Newington, CT, 1985.
"OSCAR at 25: The Amateur Space Program Comes of Age", Jan King, W3GEY, et al., QST, December 1986, p. 15.

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