Run summary plots for the early morning of 8/2/01.  Threshold step size was 0.002, which allowed tighter control of the event rate to 60 events/minute than 0.001 did.  Data transfer ran simultaneously without causing overflows.

 

The large event at 00:30.  Most events look just like this, this is just much larger.

Spectrum at 00.49.  The white spikes persisted from the start of the run at 00:19 through 00:49