Description

Page : 73

Sondrestrom Lidar Operation Log

Operator(s) : E.Gudmundsson
Purpose : Routine data collection
Date(s) : 980625 - 980625
File(s) : L9806250 - L9806252
Comments :
Logfile : l9806250.log

Setup:0

Page : 74
[Variables]
Rayleigh Power=590mJ

[0]
90% PMT Iris=not_installed
Rayleigh System=On
Dye System=Off
Daystar=In
Polerizer=In
HalfWave Plates=Tracking

Logsheet:0

Page : 75

Sondrestrom Lidar Operation Log

Log Sheet 1 of 1
Operators : E.Gudmundsson
Date(s) : 980625 - 980625
File(s) : L9806250 - L9806252

Files	Time [UT]	Comments	Cnt	S	Ope
L9806250	00:42:07	Start of experiment	411	0	EG
L9806250	01:28:54	Rayleigh HG adjusted	840	0	EG
L9806250	02:33:38	So far So good bacground ca 20 counts	739	0	EG
L9806250	02:47:26	Tweeked HG	713	0	EG
L9806250	02:58:24	There is perhaps something up there around 82km, the		0	EG
		integrated profile shows a consistent peek	763
L9806251	05:32:30	I don't get it. Why is the background falling again????	776	0	EG
L9806251	05:41:02	A definite drop in background!!!!????	777	0	EG
L9806252	05:48:53	End of experiment	781	0	EG