Computer Science
Scientific paper
Dec 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990itns...37.1938h&link_type=abstract
(IEEE, DNA, JPL, et al., Annual Conference on Nuclear and Space Radiation Effects, 27th, Reno, NV, July 16-20, 1990) IEEE Transa
Computer Science
7
Heavy Ions, Latch-Up, Low Altitude, Polar Orbits, Single Event Upsets, Solar Activity Effects, Airborne/Spaceborne Computers, Atlantic Ocean, Cosmic Rays, Error Detection Codes, Random Access Memory
Scientific paper
The UoSAT-2 spacecraft, launched in 1984 into a polar orbit at an altitude of 700 km, has a number of systems which have been observed to experience single-event upsets at significant rates. During the year 1989, several solar flare events occurred which elevated the upset rates at high latitudes. The October 19 event, in particular, resulted in very high high-latitude upset rates. The data are separated and analyzed, deriving upset rates for the various memory devices under quiet cosmic-ray, South Atlantic anomaly, and solar flare conditions. The results of the heavy ion and proton testing of UoSAT memories undertaken in order to compare predictions and observations are presented.
Adams Laura
Daly E. J.
Harboe-Sorensen Reno
Underwood Craig I.
Ward James
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