1. JD, UT times are for start of "main"
2. Durations - from start to finish of "main" spike/dip
3. Channels seen are scaler channels where event is obvious
a. aslt - AirShower layer low threshold (patches)
b. asht - AirShower layer high threshold
c. orht - Outrigger high threshold
d. mt6, ..., mt40 - 6-pmt multiplicity, ...,