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    User name V. Sulkosky

    Log entry time 21:38:07 on October 29, 2007

    Entry number 210522

    keyword=BPM Pedestals

    While waiting for beam, the shift crew took two BPM pedestal runs for the
    left and right HRS. The run numbers are 1475 and 1476 for the left, and
    20259 and 20260 for the right. From my understand, the raster was on for
    1475 and 20259, however this has no impact on the pedestals.

    Here is the analysis for the pedestals. The results are consistent with
    each other for the two left arm runs and for the two right arms runs. I
    have updated the databases that spot_L and spot_R use with the values
    below. I have also updated the CSR BPM and raster databases with these
    values.

    Run #1475:
    BPMA Mean Sigma BPMB Mean Sigma
    ---------------------------------------------------------
    Antenna #1 1539 7.6 #1 1334 7.6
    Antenna #2 1295 7.6 #2 1409 6.4
    Antenna #3 1308 8.3 #3 1357 5.7
    Antenna #4 1406 9.4 #4 1410 6.7

    Run #1476:
    BPMA Mean Sigma BPMB Mean Sigma
    ---------------------------------------------------------
    Antenna #1 1540 9.0 #1 1345 8.9
    Antenna #2 1297 9.6 #2 1410 6.7
    Antenna #3 1311 10.5 #3 1358 5.8
    Antenna #4 1409 12.1 #4 1411 7.0

    Run #20259:
    BPMA Mean Sigma BPMB Mean Sigma
    ---------------------------------------------------------
    Antenna #1 528 12.6 #1 429 12.2
    Antenna #2 471 12.9 #2 361 12.1
    Antenna #3 378 13.6 #3 498 11.5
    Antenna #4 397 13.0 #4 467 11.7

    Run #20260:
    BPMA Mean Sigma BPMB Mean Sigma
    ---------------------------------------------------------
    Antenna #1 528 12.5 #1 430 12.0
    Antenna #2 472 12.8 #2 362 12.0
    Antenna #3 378 13.4 #3 498 11.3
    Antenna #4 399 12.8 #4 468 11.5


    A copy of this log entry has been emailed to: brads@jlab.org,camsonne@jlab.org