User name R. Michaels
Log entry time 10:43:31 on February 7,2000
Entry number 33024
keyword=T4 rateShift worried that the T4 rate was about = T3 rate.
But T4 look mostly correct (e.g. have no VDC hits).
Other triggers seem fine, too. Perhaps ~1% of T4 are
spurious in that they look like T3.
FIGURE 1
FIGURE 2
