Description


Page : 307

Sondrestrom Lidar Operation Log


Operator(s) : J.Thayer, , E.Gudmundsson
Purpose : Routine data collection
Date(s) : 990730 - 990731
File(s) : L9907307 - L9907308
Comments : Sky conditions were clear at the beginning of the run, past midnight clouds came
in
and we shut down near 04:15 UT. No NLC detected
Logfile : L9907300.log

Setup:0


Page : 308
[Variables]
Dye Power=
Rayleigh Power=515 mJ

[0]
90% PMT Iris=not_installed
Rayleigh System=On
Dye System=Off
Daystar=In
Polerizer=In
HalfWave Plates=Tracking
Filter Wheel=3:Open

[1]
90% PMT Iris=not_installed
Rayleigh System=On
Dye System=Off
Daystar=Out
Polerizer=In
HalfWave Plates=Tracking
Filter Wheel=3:Open

Logsheet:0


Page : 309

Sondrestrom Lidar Operation Log


Log Sheet 1 of 1
Operators : J.Thayer, E.Gudmundsson
Date(s) : 990730 - 990731
File(s) : L9907307 - L9907308
FilesTime [UT]CommentsCntSOpe
L990730723:37:56Start of experiment, sza = 84.67190EG
L990730723:38:08Nice and clear7670EG
L990730723:42:55Pause system to check laser power6910EG
L990730700:00:00Resumed data taking, sza = 86.34990EG
L990730700:01:02Rayleigh Convergence mirror adjusted7050EG
L990730700:20:41sza = 87.66610EG
L990730701:04:58Nice and clear, sza=90.55730EG
L990730701:08:58Daystar out35641EG
L990730701:27:31sza=91.633941EG
L990730802:31:07sza=93.929431EG
L990730802:32:59Rayleigh Convergence mirror adjusted35421EG
L990730803:26:04sza=94.635141EG
L990730803:42:14weak tropospheric cloud in beam, clouds increasing from the SE31731EG
L990730804:14:03clouds have been present for past 15 minutes-doesnt look good1651EG
L990730804:15:33shutting down - will wait and see if skies clear1871EG
End of experiment