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Summary of the CTS Transient Event Counter data after one year of operationThe environmental charging of satellite surfaces during geomagnetic substorms is the apparent cause of a significant number of anomalous events occurring on geosynchronous satellites since the early 1970's. Electromagnetic pulses produced in connection with the differential charging of insulators can couple into the spacecraft harness and cause electronic switching anomalies. An investigation conducted to determine the response of the spacecraft surfaces to substorm particle fluxes makes use of a harness transient detector. The harness transient detector, called the Transient Event Counter (TEC) was built and integrated into the Canadian-American Communications Technology Satellite (CTS). A description of the TEC and its operational characteristics is given and the obtained data are discussed. The data show that the satellite surfaces appear to be charged to the point that discharges occur and that the discharge-induced transients couple into the wire harnesses.
Document ID
19780035657
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Stevens, N. J.
(NASA Lewis Research Center Cleveland, OH, United States)
Klinect, V. W.
(NASA Lewis Research Center Cleveland, Ohio, United States)
Gore, J. V.
(NASA Lewis Research Center Cleveland, Ohio; Department of Communications, Communications Research Centre, Ottawa, Canada)
Date Acquired
August 9, 2013
Publication Date
December 1, 1977
Subject Category
Spacecraft Instrumentation
Accession Number
78A19566
Distribution Limits
Public
Copyright
Other

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