Description

Page : 1062

Sondrestrom Lidar Operation Log

Operator(s) : E.Guðmundsson
Purpose : Run coordinated with the IS Radar.
Date(s) : 020923 - 020923
File(s) : L20020923_000 - L20020923_002
Comments : Sporadic sodium detected.

Clouds interfered with the run from 3:50UT
Logfile : l0209230.log

Setup:0

Page : 1063
[Variables]
Dye Power=90mJ
Rayleigh Power=520mJ

[0]
Iris=1mm
Rayleigh System=On
Dye System=On
Etalon=Out
Daystar=Out
Polarizer=In
HalfWave Plates=Tracking
Rayleigh Filter=2:532(.5nm)
Rayleigh seeding=off

Logsheet:0

Page : 1064

Sondrestrom Lidar Operation Log

Log Sheet 1 of 1
Operators : E.Guðmundsson
Date(s) : 020923 - 020923
File(s) : L20020923_000 - L20020923_002

Files	Time [UT]	Comments	Cnt	S	Ope
L20020923_000	00:25:30	Start of experiment	11053	0	EG
		Nice and clear
	01:17:29	Sporadic sodium		0	EG
	01:48:59	Dye laser wavelength has drifted to 589.160 since startup.	10994	0	EG
		will not correct to 589.158nm until the run is over.
	01:55:57	Sporadic sodium has suddenly increased in density and is		0	EG
		decending.
	02:05:40	rayleigh showing a signal induced noise. Raising the chopper		0	EG
		5km to see if it goes away.
L20020923_002	05:51:23	End of experiment		0	EG