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The Main Electronics Box (MEB) of the HAO coronagraph/polarimeterThe SMM satellite was launched in February, 1980 with a complex of instruments designed to study the active sun. The HAO instrument (c/p) operated satisfactorily until July when a series of partial failures began. This report describes analysis and resolution of problems up to the terminal failure on September 23, 1980. The MEB was replaced in orbit in April, 1984, restoring the observational capability of the c/p instrument. The process of trouble-shooting and restoration of the failed MEB at GSFC is described. Conclusions are presented regarding the cause of the failures encountered.
Document ID
19870004943
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Robert E Davis (Goddard Space Flight Center Greenbelt, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1985
Publication Information
Publication: Proceedings of the SMRM Degradation Study Workshop
Publisher: National Aeronautics and Space Administration
Subject Category
Spacecraft Design, Testing And Performance
Report/Patent Number
NASA-TM-89274
Meeting Information
Meeting: SMRM Degradation Study Workshop
Location: Greenbelt, MD
Country: US
Start Date: May 9, 1985
End Date: May 10, 1985
Sponsors: National Aeronautics and Space Administration
Accession Number
87N14376
Funding Number(s)
PROJECT: Satellite Servicing Project
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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IDRelationTitle19870004941Collected WorksProceedings of the SMRM Degradation Study Workshop
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