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    User name M. Olson

    Log entry time 16:23:08 on August 6,2006

    Entry number 177741

    Followups:

    keyword=Closed loop3 JT by 0.5%

    At the beginning of the shift, the loop 3 high power heater was running approximately 175W with no beam on target. I closed the loop3 JT by 0.5% to bring the total heat load to 145-150W to economize on ESR cooling.

    Projected beam heating for 20uA is approximately 112W by calculation using LD3 cell parameters, so we will still have approximately 30W of overhead at 20uA.