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    User name gilman

    Log entry time 12:55:50 on February 11,1999

    Entry number 13675

    This entry is a followup to: 13609

    keyword=trigger inefficiency

    The last big jumps in T1/T2 and T3/T4 are related to momentum
    changes in the spectrometers, and so are not a problem, but we do not know
    about the slow change in T3/T4. It is currently sitting at 12%.

    The usual suspicion is helium is slowly killing phototubes.