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    User name lkaufman

    Log entry time 04:43:50 on June17,2004

    Entry number 126040

    keyword=PITA feedback used to change PC voltages

    The IA setpoint had drifted to 3.75, so I decided to correct the charge asymmetry with PITA.  The new PC voltages are (IHWP in):

POS = 3.287
NEG = 7.302

This correction was done during run 2211.

Initially, I had the wrong sign, so there was a short time during this run where the charge asymmetry was around 200 ppm.

The IA is now sitting around 5 V and happily doing feedback.