Description


Page : 405

Sondrestrom Lidar Operation Log


Operator(s) : J.Jørgensen, K.Richmond, M.McCready
Purpose : Routine data collection
Date(s) : 991207 - 991208
File(s) : L9912071 - L9912077
Comments : Slow start-up due to problem with chopper phase-reference switch in wrong
position. Data ns l9912070.m01 was recorded during trouble-shooting this
problem and tweaking systmes.
Logfile : L9912070.log

Setup:0


Page : 406
[Variables]
Dye Power=81.5
Rayleigh Power=420

[0]
Iris=max_opening
Rayleigh System=On
Dye System=On
Daystar=Out
Polerizer=In
HalfWave Plates=In
Rayleigh Filter=2:532(.5nm)

Logsheet:0


Page : 407

Sondrestrom Lidar Operation Log


Log Sheet 1 of 1
Operators : J.Jørgensen, K.Richmond, M.McCready
Date(s) : 991207 - 991208
File(s) : L9912071 - L9912077
FilesTime [UT]CommentsCntSOpe
L991207121:19:45Start of experiment72560JJ
L991207121:53:33some very thin clouds visible in rayleigh beam intermittently55530MM
since start-up
L991207122:06:43Sporadic sodium. Radar showing thin layer in A16 data70120JJ
L991207122:25:44Sporadic Na fading80530KR
L991207123:31:10Nice and clear84380MM
L991207200:08:51sporadic sodium layer at 107 km (equiv to 45 km), with82040MM
aurora up B and thin layer in a16 data
L991207201:33:04still clear with big fat sodium layer95800MM
L991207302:46:36still clear, ISR shut down at 020792400MM
L991207304:18:35still clear, nice sodium layer86770MM
L991207405:04:57sodium layer a little diminished, still clear94500MM
L991207406:30:24still clear89000MM
L991207507:53:58still clear and nice sodium layer74000MM
L991207509:00:46ditto74300MM
L991207610:40:04Some thin haze layer out there...69810JJ
L991207611:51:16Background is starting to increase66770JJ
L991207714:18:54Too much background, shutting down.77000KR
L991207714:20:50End of experiment77000KR