Description

Page : 842

Sondrestrom Lidar Operation Log

Operator(s) : J.Jørgensen, E.Guðmundsson, T.Jørgensen, J.Kristensen
Purpose : Routine data collection, tweek of the LC etalon roll and tilt.
Date(s) : 010707 - 010708
File(s) : L107073 - L107084
Comments : NLC detection
Total filesize: 55.1MB (57.852.264)

Logfile : l0107070.log

Setup:0

Page : 843
[Variables]
Dye Power=55mJ
Rayleigh Power=520mJ

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

Logsheet:0

Page : 844

Sondrestrom Lidar Operation Log

Log Sheet 1 of 2
Operators : J.Jørgensen, E.Gudmundsson
Date(s) : 010707 - 010707
File(s) : L107073 - L107075

Files	Time [UT]	Comments	Cnt	S	Ope
L107073	12:51:20	Start of experiment	2695	0	JJ
L107073	12:52:49	Sodium system starting out with low power ~ 35 mJ		0	JJ
L107073	13:49:55	HG on both systems adjusted. Soduim power ~54 mJ	2734	0	JJ
L107073	13:59:23	Conv mirror on both systems adjusted	2786	0	JJ
L107073	14:05:21	Rayleigh conv. mirror adjusted agian		0	JJ
L107073	16:13:26	NLC?	3047	0	JJ
L107073	16:19:22	Definitely an NLC...	3078	0	JJ
L107073	16:37:39	Sodium tuned to .158, HG adjusted power ~ 55mJ	3087	0	JJ
L107074	16:40:46	Filenumber incremented	3137	0	JJ
L107074	17:11:42	NLC still there...	3162	0	JJ
L107074	17:45:15	Sodium tuned to .158	3309	0	JJ
L107074	17:51:57	NLC weak for a while, now getting stronger...	3154	0	JJ
L107074	19:45:47	Strong NLC there for a while	3021	0	JJ
L107074	20:05:55	NLC strong again	2881	0	JJ
L107074	20:55:24	Rayleigh HG adj.	2347	0	JJ
L107074	20:59:36	Rayleigh Conv. mirror adj.	2418	0	JJ
L107074	21:02:03	Non of the above helped much. Looks like halfwave plates	2524	0	JJ
		are not tracking properly anymore....
L107074	21:04:06	The background counts started going up all of a sudden but		0	JJ
		now it looks like they turned around again. It looks perfectly
		clear outside...
L107075	21:06:20	Filenumber incremented	2570	0	JJ
L107075	22:49:21	Changing dye	2642	0	EG
L107075	22:53:02	Done changing dye		0	EG

Logsheet:1

Page : 845

Sondrestrom Lidar Operation Log

Log Sheet 2 of 2
Operators : J.Jørgensen, E.Guðmundsson, T.Jørgensen, J.Kristensen
Date(s) : 010707 - 010708
File(s) : L107075 - L107084

Files	Time [UT]	Comments	Cnt	S	Ope
L107075	22:53:35	Incremented	2642	0	EG
L107076	23:00:08	Dye laser energy after change is 80mJ	2763	0	EG
L107076	00:40:42	Sodium Convergence mirror adjusted	2579	0	EG
L107076	02:07:59	Incremented	2462	0	EG
L107080	02:08:02	Counts	2469	0	EG
L107080	02:27:09	Seeing a weak NLC on the 10min profile (4 bin sub int)	2328	0	EG
L107080	05:06:23	incremented		0	EG
L107081	05:06:58	Counts	1991	0	EG
L107081	06:52:40	NLC ?	2462	0	TJ
L107082	09:33:19	Filenumber incremented.	2221	0	TJ
L107083	12:09:16	Filenumber incremented	2509	0	JKr
L107083	12:18:33	Counts	2660	0	JKr
L107083	12:56:22	Counts	2782	0	JKr
L107083	13:47:24	Counts	3106	0	JKr
L107083	14:35:12	Wavelength adjusted	2902	0	JKr
L107084	14:42:28	Filenumber incremented	2863	0	JKr
L107084	18:03:12	End of experiment		0	JJ