22.11.2019,00:00:00,$HST:STX(logfile)
22.11.2019,08:11:42,$HST:XY plot selected
22.11.2019,08:11:46,$HST:XY plot hidden
22.11.2019,08:11:46,$HST:XYZ plot selected
22.11.2019,08:11:51,$HST:XYZ plot hidden
23.11.2019,00:00:00,$HST:Midnight -> memo cleared
23.11.2019,00:00:00,$HST:EOF(logfile)