Gas pocket: ON (thinkness unknown, since the TPC pressure is >200 mbar)

Fields: drift 200 V/cm, extraction 2.8 kV/cm

Threshold: 1600 ADC below baseline

Trace length: 200us total, 100 us pre-trigger

Threshold extend:  5x16 = 80ns

TPC Pressure: >200 mbarg

SiPM HV: 65 V

Comment: compare to Run 873, 875