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    User name M.Olson

    Log entry time 08:01:20 on December14,2006

    Entry number 190713

    keyword=Owl Shift Summary

    OWL SHIFT SUMMARY

    0000: Run 1485 in progress (production-style running on dummy target)

    0109: End run 1485 (0.376 C) (beam down for QE measurement)

    0114: Start run 1486

    0253: Lost vertical fast raster magnet. End run 1486 (0.395 C)

    0255: Paged on-duty technician

    0310: Paged on-duty technician

    0320: Called on-duty technician at home

    0325: On duty technician called back, indicated raster magnet is outside his area. I paged Bob Micheals, who participated in last fix of this problem (05NOV06).

    0335: Left voicemail on cell phone of run coordinator, informing him of the loss of the vertical raster.

    0355: Spoke with run coordinator, suggested I page Jack Segal, who participated in the last fix of this problem.

    0420: Run coordinator calling Bob Michaels at home.

    0445: Bob Micheals contacted at 0430. He is coming in to look for spare unit. He suggested I try paging William Gunning, but his pager number appears to be out of service.

    0454: Started run 1487 (cosmics) at Elena's request.

    0500-0545 Bob and I located and installed spare raster driver.
    See Bob's halog entry for details

    0600: End run 1487 (cosmics), asking for beam.

    0607: Beam coming back up

    0611: Beam-spot test, run 1488 (target out)
    prescale ps8 to "4", short run to observe beam spot using spot++

    0619: spot++ for test run appears same as 1485 (before problem).
    Beam positions look good on Hall A tools as well.

    0620: Putting He3 target back in and returning to production running.

    0630: He3 target in, beam coming back up

    0632: Start run 1489, He3 production

    0700: End run 1489
    (! PRESCALES STILL SET TO DUMMY TARGET VALUES) Resetting prescales for He3 running

    0705: Start run 1490 (prescalers reset to He3 values)

    0800: Run 1490 in progress, good stable beam upon resumption of He3 production running.