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    User name V. Sulkosky

    Log entry time 14:49:53 on January16,2009

    Entry number 256353

    Followups:

    keyword=Gas Cerenkov Pedestal Changed

    The problem for the left HRS GC ADC sum started with run 5179 taken
    yesterday during day shift. Before this, the golden rootfile and
    current run agreed very well with each other. I looked closer at the
    individual ADC channels and found that for ADC #1 that the pedestal
    seems to have changed significantly.

    At the next opportunity, we should do a pedestal run for the left
    HRS to find out what happened to the left Gas Cerenkov pedestals.


    FIGURE 1