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    User name slifer

    Log entry time 18:14:15 on August 5,2003

    Entry number 109202

    keyword=Compensating coils

    The large vertical compensating coils are now connected. To do so, I needed to
    disconnect the longitudinal downstream coils. The large vertical coils
    should now provide a helmholtz field directed upward, while the small
    vertical coils will provide a helmholtz field pointing downward. The
    table below gives the correspondance between coils and the slider
    switch available from the Hall A General Tools.


    Power Supply..........Channel...................Coil
    ----------------------------------------------------------------
    MHC1H04A .......... 20 (BS04B10) ......... Transverse
    MHC1H04B .......... 29 (BS04B10) ......... Longitudinal upstream
    MHC1H04C ........... 5 (W202B13) ......... Large vertical coils
    MHC1H04D ........... 6 (W202B13) ......... Small vertical coils