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    User name R. Michaels

    Log entry time 04:12:55 on October 2,1999

    Entry number 27428

    keyword=Fast Feedback jumps

    Both we and MCC have noticed in the past hour that
    fast feedback causes occasional jumps in the beam
    position of order 0.5 mm. Then it corrects itself.
    Not too big, but it may actually be worse than having
    FFB off. Someone should decide.