Description


Page : 265

Sondrestrom Lidar Operation Log


Operator(s) : E.Gudmundsson
Purpose : Routine data collection
Date(s) : 990409 - 990409
File(s) : L9904090 - L9904092
Comments : Clear night with TX 45 deg
Logfile : L9904090.log

Setup:0


Page : 266
[Variables]
Rayleigh Power=550mJ

[0]
90% PMT Iris=not_installed
Rayleigh System=On
Dye System=Off
Daystar=Out
Polerizer=In
HalfWave Plates=Tracking
Filter Wheel=2:532(.5nm)

[1]
90% PMT Iris=not_installed
Rayleigh System=On
Dye System=Off
Daystar=Out
Polerizer=Out
HalfWave Plates=Tracking
Filter Wheel=2:532(.5nm)

[2]
90% PMT Iris=not_installed
Rayleigh System=On
Dye System=Off
Daystar=In
Polerizer=In
HalfWave Plates=Tracking
Filter Wheel=2:532(.5nm)

Logsheet:0


Page : 267

Sondrestrom Lidar Operation Log


Log Sheet 1 of 1
Operators : E.Gudmundsson
Date(s) : 990409 - 990409
File(s) : L9904090 - L9904092
FilesTime [UT]CommentsCntSOpe
L990409000:23:11Start of experiment15040EG
L990409001:01:26Counts14620EG
L990409001:16:26Changing setup, polarizer out14200EG
L990409001:19:12running with setup 114781EG
L990409001:21:32No real difference visible on the counts after the change14581EG
L990409103:18:09Rayleigh Convergence mirror adjusted14061EG
L990409103:47:34Rayleigh Convergence mirror adjusted12811EG
L990409104:35:39Rayleigh Convergence mirror adjusted12261EG
L990409104:36:51Counts15881EG
L990409105:02:40putting polarizer back in to test 45 deg rotation of TX HWP15891EG
that should kill a major portion of the signal
L990409105:04:32polarizer in place14160EG
L990409205:38:46TX offset from 135 to 90 (45 deg)14610EG
L990409205:39:34Counts200EG
L990409205:40:43Counts200EG
L990409205:58:51TX offset back to 135190EG
L990409206:02:14Counts 14070EG
L990409206:02:26Counts14280EG
L990409206:05:38Counts back as they should14780EG
L990409206:08:31Testing Daystar, changing setup3022EG
L990409206:14:35counts2752EG
L990409206:14:50End of experiment2612EG