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    User name Templon

    Log entry time 20:33:01 on October13,2000

    Entry number 50323

    This entry is a followup to: 50307

    keyword=tdc are stable to 0.2 ns level across tcl

    fit analysis of SL-S1-L2 tdc spectra with gates across tcl spectrum.
    In all "good" regions of tcl, peaks come at same place in tdc spectrum.
    In bad region, they are shifted by about 13 ns.
    Ratio of large peak to small peak is
    7.7 (ul panel, small values of tcl)
    10.1 (ur panel, intermediate values)
    7.5 (ll panel, large values of tcl but not in spike).

    FIGURE 1