Measurements of SEU and total dose in geostationary orbit under normal and solar flare conditions

Details Measurements of SEU and total dose in geostationary orbit under normal and solar flare conditions Measurements of SEU and total dose in geostationary orbit under normal and solar flare conditions

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991itns...38.1686a&link_type=abstract

(1991 IEEE Annual Conference on Nuclear and Space Radiation Effects, 28th, San Diego, CA, July 15-19, 1991, Proceedings. A92-240

Computer Science

6

Dosimeters, Geosynchronous Orbits, Radiation Dosage, Single Event Upsets, Solar Activity Effects, Solar Flares, Ground Tests, Meteosat Satellite, Random Access Memory, Spaceborne Experiments, Synchronous Satellites

Scientific paper

The Meteosat-3 Radiation Effects Experiment includes two 256-kb SRAMs configured for SEU detection and a RADFET array for dose measurement. SEU rates and doses are enhanced during solar flares. Two years of orbital data are compared with ground tests and prediction. The measured background dose is found to be lower than prediction. The measured solar flare dose agrees well with prediction. The view angle of the RADFETs was insufficient to allow the relative efficiency of low-Z/high-Z shielding to be verified.

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