Description

Page : 345

Sondrestrom Lidar Operation Log

Operator(s) : J.Jørgensen, K.Richmond, E.Gudmundsson
Purpose : Routine data collection
Date(s) : 990914 - 990918
File(s) : L9909142 - L9909179
Comments : Setup 3 is with the iris at minimum opening.
Logfile : L9909140.log

Setup:0

Page : 346
[Variables]
Dye Power=70 mJ
Rayleigh Power=530 mJ

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

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

[2]
90% PMT Iris=not_installed
Rayleigh System=On
Dye System=On
Daystar=In
Polerizer=In
HalfWave Plates=Tracking
Filter Wheel=3:Open

[3]
90% PMT Iris=not_installed
Rayleigh System=On

Setup:1

Page : 347
Dye System=Off
Daystar=In
Polerizer=In
HalfWave Plates=Tracking
Filter Wheel=3:Open

[4]
90% PMT Iris=not_installed
Rayleigh System=On
Dye System=Off
Daystar=Out
Polerizer=In
HalfWave Plates=Tracking
Filter Wheel=2:532(.5nm)

Logsheet:0

Page : 348

Sondrestrom Lidar Operation Log

Log Sheet 1 of 5
Operators : J.Jørgensen, K.Richmond
Date(s) : 990914 - 990915
File(s) : L9909142 - L9909151

Files	Time [UT]	Comments	Cnt	S	Ope
L9909142	23:11:34	Start of experiment		1	JJ
L9909142	00:11:59	Nice sodium	3717	1	KR
L9909142	00:25:08	Rayleigh HG adjusted	3686	1	KR
L9909144	04:24:50	Nice and clear	4233	1	KR
L9909145	07:37:46	Nice and clear	4252	1	KR
L9909145	08:15:23	Network problems stopping data taking to get the PC		1	KR
		On the network again. Rebooting PC	4629
L9909145	08:22:46	Taking data again, changed setup, incremented file#		0
L9909150	08:23:29	Ups! forgot to change the recs per scan on sodium channel	0	0
L9909150	09:16:54	Changing to daystar setup	6549	0
L9909150	09:19:19	Continuing with daystar		2
L9909150	09:37:01	I looks like the halfwaveplates are off	940	2
		Stopping data collection for a moment to optimize the
		plates. Stopping sodium data collection as well	947
L9909151	09:54:16	Collecting data again with the iris at minimum opening.	617	3
L9909151	10:38:03	An observation: The ZigZag shape of the Rayleigh profile	954	3
		is probably due the the construction of the chopper blade
		There is a black plastic sheet that makes the opening
		of the chopper narrower that the supporting metal blade
		This plastic sheet is not a block, but an attenuator
		letting some of the Rayleigh signal trough
L9909151	10:50:46	SZA= 78.4 s/n~983/67	907	3
L9909151	10:58:51	Rayleigh HG adjusted	979	3
L9909151	11:39:29	Rayleigh HG adjusted	947	3

Logsheet:1

Page : 349

Sondrestrom Lidar Operation Log

Log Sheet 2 of 5
Operators : E.Gudmundsson, J.Jørgensen
Date(s) : 990915 - 990915
File(s) : L9909151 - L9909156

Files	Time [UT]	Comments	Cnt	S	Ope
L9909151	12:19:54	SZA=71 s/n 930/95	1043	3	EG
L9909152	13:13:05	SZA=67.6 s/n ~900/113	1013	3	EG
L9909152	13:54:25	SZA=65.6 s/n ~900/128	1025	3	EG
L9909152	14:49:09	SZA=64.2 s/n~960/146	1051	3	EG
L9909153	15:22:42	SZA=64.0 s/n~850/150	1026	3	EG
L9909154	18:14:42	SZA=70.70 s/n~922/95	963	3	JJ
L9909154	18:55:04	SZA=73.76 s/n~899/77	860	3	JJ
L9909154	19:22:54	SZA=76.13 s/n~887/69	881	3	JJ
L9909155	20:27:35	SZA=82.10 s/n~815/52	763	3	JJ
L9909155	21:02:45	SZA=85.57 s/n~660/36	724	3	JJ
L9909155	21:21:24	Airplane exhaust trail overhead	517	3	JJ
L9909155	21:27:11	SZA=87.91 s/n~630/22	692	3	JJ
L9909155	21:29:29	Pausing to change setup		3	JJ
L9909156	21:32:35	Running again, filenumber incremented		4	JJ
L9909156	21:44:42	Going to start Dye laser now. Will not pause so data will just		4	JJ
		appear as the laser comes on.
L9909156	21:59:12	Dye system now up and running...	4898	0	JJ
		Dye pwer = 88 mJ, Wavelength (WL) 589.160
L9909156	22:04:01	Sodium Convergence mirror adjusted		0	JJ
L9909156	22:37:20	Had forgotten to open the Iris. Thats was the reason for the		0	JJ
		small sodium return
L9909156	22:41:56	Sodium Convergence mirror adjusted		0	JJ
L9909156	22:50:48	Sodium Convergence mirror adjusted		0	JJ
L9909156	22:53:41	Sodium Convergence mirror adjusted		0	JJ

Logsheet:2

Page : 350

Sondrestrom Lidar Operation Log

Log Sheet 3 of 5
Operators : J.Jørgensen, K.Richmond, E.Gudmundsson
Date(s) : 990915 - 990916
File(s) : L9909156 - L9909166

Files	Time [UT]	Comments	Cnt	S	Ope
L9909156	22:57:29	Sodium Convergence mirror adjusted		0	JJ
L9909156	23:11:27	Sodium Convergence mirror adjusted		0	JJ
L9909157	00:34:08	Nice and clear, nice sodium	6438	0	KR
L9909158	03:11:32	High haze layer	5980	0	KR
L9909158	03:47:09	Haze layer	5332	0	KR
L9909158	04:38:29	Haze seems to have moved out.	6178	0	KR
L9909159	05:26:52	Haze layer	5536	0	KR
L9909160	07:51:19	Going to install polarizer	5997	0	KR
L9909160	07:53:40	Never mind, I guess it's in there still	5794	0	KR
L9909160	08:52:19	Installing daystar	6893	2	EG
L9909160	09:33:03	Been messing a bit with the receiver	1218	2	EG
L9909161	10:36:40	Shutting dye system off and closing down the iris	1632	2	EG
L9909161	10:40:32	Running with setup 3	1665	3	EG
L9909162	13:25:58	There has been some haze for the past 30 min and is still	1129	3	EG
		present	1129	3	EG
L9909162	14:25:53	SZA= 65 s/n~1160/130	1207	3	EG
L9909163	16:47:31	SZA=66.14 s/n~565/300, clouds		3	JJ
L9909164	18:03:43	SZA=70.27 s/n~1063/95	1052	3	JJ
L9909165	19:59:03	SZA=79.86 s/n~1092/58	990	3	JJ
L9909165	20:52:18	SZA=84.90 s/n~981/39	987	3	JJ
L9909165	21:17:04	System paused to change setup		3	JJ
L9909166	21:23:26	Running again filenumber incremented	968	0	JJ
		Dye pwr ~ 83 mJ, WL=589.160
L9909166	21:42:25	Multiple dye conv. mirror adjustments	7112	0	JJ

Logsheet:3

Page : 351

Sondrestrom Lidar Operation Log

Log Sheet 4 of 5
Operators : J.Jørgensen, K.Richmond, E.Gudmundsson
Date(s) : 990916 - 990917
File(s) : L9909166 - L9909178

Files	Time [UT]	Comments	Cnt	S	Ope
L9909166	22:33:51	Sodium Convergence mirror adjusted		0	JJ
L9909167	00:45:25	Adjusted sodium wavelength	6207	0	KR
L9909167	00:47:30	Sodium Convergence mirror adjusted	6292	0	KR
L9909167	01:19:15	Total dye counts have been falling--invesitgating	6183	0	KR
L9909167	01:24:41	Measured dye power - 89 mJ	6119	0	KR
L9909167	01:31:43	Sodium Convergence mirror adjusted	6311	0	KR
L9909167	02:04:14	Sodium Convergence mirror adjusted	6068	0	KR
L9909170	07:47:31	Sodium Convergence mirror adjusted	5653	0	EG
L9909170	07:53:16	Dye system tuned to 589.158 nm	5693	0	EG
L9909170	09:20:36	Installing daystar	7998	2	EG
L9909170	09:23:47	done	8008	2	EG
L9909171	10:00:16	Shutting down the sodium laser, closed iris, incremnted	1556	3	EG
L9909174	15:18:17	Its close to noon SZA=64.7 s/n~1250/150	1296	3	EG
L9909174	16:57:37	SZA=66.94 s/n~1348/129	1295	3	JJ
L9909175	19:08:51	SZA=75.69 s/n~1132/66	1084	3	JJ
L9909175	19:35:04	SZA=78.03 s/n~1103/60	1140	3	JJ
L9909176	20:19:12	Thin clouds overhead	903	3	JJ
L9909176	21:21:58	Pause to change setup		3	JJ
L9909177	21:25:53	Resumed. Dye pwr~83 WL 589.159, filenumber incremented	1029	0	JJ
L9909177	21:28:01	Ups forgot to switch trigger on dye system. Will use this		0	JJ
		file to tune Dye system and then increment again
L9909178	21:32:32	Tuning looks pretty good. Filenumber incremented	7474	0	JJ
L9909178	22:47:34	Clouds comming in it looks like	3892	0	JJ
L9909178	23:04:41	Pausing to change setup		0	JJ

Logsheet:4

Page : 352

Sondrestrom Lidar Operation Log

Log Sheet 5 of 5
Operators : J.Jørgensen, K.Richmond
Date(s) : 990917 - 990918
File(s) : L9909179 - L9909179

Files	Time [UT]	Comments	Cnt	S	Ope
L9909179	23:06:54	Running again filenumber incremented	2345	1	JJ
L9909179	00:05:25	Clouds are moving in		1	KR
L9909179	00:06:22	End of experiment		1	KR