Description


Page : 1253

Sondrestrom Lidar Operation Log


Operator(s) : E.Guðmundsson, Chirantan, Mukhopadhyay, Claus, Johannsen, Nathan, Rausch, Nathan Rausch
Purpose : Routine data collection- NLC campaign
Date(s) : 030611 - 030613
File(s) : L20030611_000 - L20030613_007
Comments : An NLC was detected! A short lived sporadic Sodium event was detected.

NOTE filename L20030613_002 does not exist due to a double fileincrement.

NOTE. This log has been recreated after a PC crash. Counts not shown in count
fields.
Logfile : l0306110.log

Setup:0


Page : 1254
[Variables]
Dye Power=60mJ
Rayleigh Power=430mJ

[0]
front end Iris=2.5mm
Rayleigh System=On
Rayleigh Field stop=2.5mm
Rayleigh path attenuation=0dB
Dye System=On
Sodium Field stop=2.5mm
Etalon=Out
Daystar=8A_In
Polarizer=In
HalfWave Plates=Tracking
Rayleigh Filter=2:532(.5nm)
Rayleigh seeding=off

Logsheet:0


Page : 1255

Sondrestrom Lidar Operation Log


Log Sheet 1 of 1
Operators : E.Guðmundsson, Chirantan, Mukhopadhyay, Claus, Johannsen, Nathan, Rausch, Nathan Rausch
Date(s) : 030611 - 030613
File(s) : L20030611_000 - L20030613_007
FilesTime [UT]CommentsCntSOpe
L20030611_00011:32:40Start of experiment0EG
11:32:50Taking chopper data0EG
11:52:40Stoped taking chopper data, running normal data acq.0EG
L20030611_00217:52:40Working on reducing Rayleigh field stop0EG
L20030612_00103:45:40Detecting an NLC!0EG
L20030612_00407:23:40NLC no longer detectable0EG
L20030613_00001:02:16Restarted after crash0EG
L20030613_00102:33:38Reyleigh SR430 frozen, restarted0EG
L20030613_00102:34:17Running again0EG
L20030613_00102:45:17Sporadic sodium event0EG
L20030613_00104:00:17Converged sodium and Rayleigh0EG
L20030613_00406:27:17Restarted data acq. Sodium frozen0EG
L20030613_00409:35:17Clouds in the way, may clear up shortly0EG
L20030613_00611:54:17Good sodium layer growing, 35km Rayleigh equivalent0NR
L20030613_00715:34:17Broken clouds0NR
L20030613_00716:25:17Shutting down due to clouds0NR
L20030613_00716:25:00End of experiment0NR