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    User name Rondon

    Log entry time 22:01:13 on April18,2012

    Entry number 376339

    keyword=[target] Frequency and polarization

    The polarization seemed to had leveled off and started to decay, so when it was at -81% I increased the frequency to 140608 kHz, from ~140577. The change was too large, so when Pol = -80% I decreased back to 140590, resulting in pol. going back to the trend before the increase.

    Beam current was stable at 10+/-1 nA throughout the changes (see follow up entry)

    FIGURE 1