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    User name pzhu

    Log entry time 17:58:02 on March22,2012

    Entry number 367268

    keyword=calibrated bpm

    attached is the slow raster shape in bpm, left is fastbus ADC,right is happex. I don't know why bpm B is not a circle, it is not like the calibration problem, the top part shape is most like a circle, but the botton part shape is not. maybe it is because of the auto gain problem of BPMB.

    FIGURE 1