Description


Page : 886

Sondrestrom Lidar Operation Log


Operator(s) : E.Guðmundsson, J.Thayer
Purpose : NLC Observations
Date(s) : 010804 - 010805
File(s) : L108041 - L108051
Comments :
Logfile : l0108040.log

Setup:0


Page : 887
[0]
Iris=0.6mm
Rayleigh System=On
Dye System=Off
Etalon=Out
Daystar=In
Polarizer=In
HalfWave Plates=Tracking
Rayleigh Filter=2:532(.5nm)
Rayleigh seeding=off

[1]
Iris=0.6mm
Rayleigh System=On
Dye System=Off
Etalon=Out
Daystar=In
Polarizer=In
HalfWave Plates=Tracking
Rayleigh Filter=2:532(.5nm)
Rayleigh seeding=off

Logsheet:0


Page : 888

Sondrestrom Lidar Operation Log


Log Sheet 1 of 1
Operators : E.Guðmundsson, J.Thayer
Date(s) : 010804 - 010805
File(s) : L108041 - L108051
FilesTime [UT]CommentsCntSOpe
L10804123:48:37Start of experiment8920JT
L10804123:48:51Some high tropospheric clouds knocking down signal9860JT
L10804123:50:35NLC detected 9940JT
L10804100:01:10NLC has equiv ray = 60 km13970JT
L10804100:51:10NLC still there11860JT
L10804101:07:54NLC getting stronger, skies improving15820JT
L10804101:36:57NLC going strong and dropping in altitude near 81 km22220JT
L10804102:32:15NLC is gone20430JT
L10805002:47:16Possible NLC display outside, sza=95.6 picture taken18960JT
L10805002:57:00picture taken, sza = 95.80JT
L10805003:08:51high cirrus reducing signal12650JT
L10805003:08:50picture taken of NLC display sza=95.9 wavy NLCs to NE12650JT
L10805003:21:26possible NLC on 10-minute integ, very weak17290JT
L10805003:21:46picture taken, sza=96.00JT
L10805004:06:08Display to NE but no detection by lidar at present16950JT
L10805004:45:36counts17200JT
L10805105:19:10counts17960JT
L10805106:33:44Low altitude clouds impacting signal4930JT
L10805106:36:480JT