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    User name Yi Qiang

    Log entry time 12:03:06 on April 29, 2009

    Entry number 269723

    This entry is a followup to: 269557

    Followups:

    keyword=NMR Cross Calibration of Vertical- and Transverse-

    Yesterday's calibration may not be accurate due to the 180 reverse of the
    phase for transverse spin measurement.

    NMR#1: 11:39: Transverse 16.46 mV (X ch)
    NMR#2: 11:41: Vertical 9.444 mV (X ch)
    NMR#3: 11:43: Transverse 16.13 mV (X ch)
    NMR#4: 11:44: Vertical 9.327 mV (X ch)
    NMR#5: 11:46: Transverse 15.86 mV (X ch)
    NMR#6: 11:48: Vertical 9.130 mV (X ch)

    NMR_v/NMR_t = (NMR2 + NMR4 + 0.4*NMR6)/(0.4*NMR1 + NMR3 + NMR5) = 0.581