Description


Page : 779

Sondrestrom Lidar Operation Log


Operator(s) : E.Guðmundsson
Purpose : Routine data collection, start allert
Date(s) : 010302 - 010303
File(s) : L103020 - L103030
Comments : Nice and clear skies. high count rates.
Logfile : l0103020.log

Setup:0


Page : 780
[Variables]
Dye Power=75mJ
Rayleigh Power=520mJ

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

Logsheet:0


Page : 781

Sondrestrom Lidar Operation Log


Log Sheet 1 of 1
Operators : E.Guðmundsson
Date(s) : 010302 - 010303
File(s) : L103020 - L103030
FilesTime [UT]CommentsCntSOpe
L10302022:30:03Start of experiment109910EG
L10302022:35:53!UPS forgot to change the sodium chopper alttitude110170EG
after the troubleshooting today, sodium records
contaminated withPMT afterpulsing upto this point.
Corrected the chopping altitude (delay) to 25km (3885usec)
L10302022:45:02Tuining for maximum sodium0EG
L10302022:58:20Moximum sodium found at 589.158nm as ndicated by the 112950EG
wavemeter
L10302023:59:08Some Rayleigh counts!!117970EG
L10302000:12:47A very dense ice fog or something has drifted in the beam.6640EG
Very dense stuff! Incremented
L10303000:23:08DMI says clouds omming to stay. Shutting down470EG
L10303000:24:39End of experiment470EG