Description


Page : 80

Sondrestrom Lidar Operation Log


Operator(s) : E.Gudmundsson
Purpose : Routine data collection
Date(s) : 980630 - 980630
File(s) : L9806300 - L9806302
Comments :
Logfile : l9806300.log

Setup:0


Page : 81
[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 : 82

Sondrestrom Lidar Operation Log


Log Sheet 1 of 1
Operators : E.Gudmundsson
Date(s) : 980630 - 980630
File(s) : L9806300 - L9806302
FilesTime [UT]CommentsCntSOpe
L980630000:27:04Start of experiment0
L980630000:48:44Rayleigh HG tweaked8580EG
L980630002:10:56-\\-6520EG
L980630002:14:01-||-0EG
L980630002:29:57Pausing program to optimize Halfwave plates6830EG
L980630002:33:28Taking data again1680EG
L980630002:34:42Adjusted Rayuleigh HG7090EG
L980630103:25:58Going to adjust Halfwave plates6600EG
L980630103:42:18Done adjusting6050EG
L980630103:56:10Tweeked HG5760EG
looks like I've managed to reduce the noise. Now we'll have
to see if the noise counts fall again later on!652
L980630105:19:47counts7480EG
L980630205:41:48Looks like the background upwards slope is levelling off!!7490EG
L980630206:05:18The Background is falling again! A bit Later than during6920EG
the last run. The difference in RX offset ifrom then is -16deg
L980630206:22:15Tweeked HG7340EG
L980630207:02:08The background just keeps on falling!!5940EG
L980630207:02:24Going to adjust halfwave plates5940EG
L980630207:15:41Changed the TX halfwave -4 deg RX untouched6380EG
L980630207:19:46Looks like the second noise valley is reached 6690EG
L980630207:35:32End of experiment6740EG