measurement with old tennelec specAmps, do not use for efficiency!

Detector: 90
Source: Ba-133 weak source
Distance: 167.5mm
Start time: 13:39:30 15.03.2020
Stop time: 13:50:55 15.03.2020

file name: run032_xxxx.lmd
avrg. rate: 150Hz
dead-time:  1.5%