The six different types of anomalous events occurred on two DSCS II satellites. The total number of events, over 100, and the long operational period, nearly 3 years, permits some statistical analyses to be performed. Correlation of occurrences of particular types of anomalies with equinoxes and seasons of the year are consistent with a spacecraft charging model. On the other hand, an interesting correlation of occurrences with days of the week has been found. Finally, a long term diminution in the frequency of occurrence of events has been observed, and is discussed in terms of environmental activity, material degradations and the need for more data.


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    Title :

    Spacecraft charging anomalies on the DSCS II, launch 2 satellites


    Contributors:


    Publication date :

    1977-02-24


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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