Description

Page : 1963

Sondrestrom Lidar Operation Log

Operator(s) : J Thayer, M. Hayman, K. Greer
Purpose : Testing of Rayleigh, Raman and Big sky lasers and channels
Date(s) : 080518 - 080518
File(s) : L20080518_000 - L20080518_002
Comments : Placed Narrow Band 607 Filter in the Raman Channel
Logfile : l0805171.log

Setup:0

Page : 1964
[0]
front end Iris=not_installed
Rayleigh System=On
Rayleigh Field stop=4.0mm
Rayleigh path attenuation=0dB
Dye System=On
Sodium Field stop=0.5mm
Etalon=Out
Daystar=8A_In
Polarizer=In
HalfWave Plates=Tracking
Rayleigh Filter=2:532(.5nm)
Rayleigh seeding=off

Logsheet:0

Page : 1965

Sondrestrom Lidar Operation Log

Log Sheet 1 of 3
Operators : J. Thayer, M. Hayman, K. Greer
Date(s) : 080518 - 080518
File(s) : L20080518_000 - L20080518_001

Files	Time [UT]	Comments	Cnt	S
	02:08:50	Start of experiment		0
	02:08:56	Rx HWP and Tx HWP have been realigned and offsets in		0
		the StepFile have been updated with the result
L20080518_000	02:09:52	Closing down front end iris		0
	02:19:13	Adjusting second FS iris		0
L20080518_001	02:28:04	Moved chopper position from 37 to 39		0
L20080518_001	02:31:08	Inserting Daystar into 532 channel		0
L20080518_001	02:36:24	Set Daystar to 5	8	0
L20080518_001	02:37:53	Bringing S channel of Big Sky online		0
	02:43:51		34	0
	02:46:17		36	0
L20080518_001	02:48:53	Big Sky S channel is converged	27	0
L20080518_001	02:50:59	Bringing Raman Channel online		0
	02:53:22		18	0
	02:56:16	Daystar set to 2	16	0
	03:00:19		19	0
	03:06:08		30	0
	03:10:14		29	0
	03:14:57		29	0
	03:20:55		26	0
	03:25:16		20	0
	03:25:46	Daystar set to 4.5	20	0
	03:30:25		34	0
	03:32:27		38	0

Logsheet:1

Page : 1966

Sondrestrom Lidar Operation Log

Log Sheet 2 of 3
Operators : J. Thayer, M. Hayman, K. Greer
Date(s) : 080518 - 080518
File(s) :

Time [UT]	Comments	Cnt
03:40:56		31
03:46:04		30
03:51:14		27
03:54:47		26
04:00:04		25
04:03:40	Daystar set to 3	29
04:09:50		33
04:13:12		32
04:15:41		29
04:19:48		22
04:23:19		24
04:24:50		29
04:31:27		26
04:32:04	Daystar to 4	24
04:34:27	opened Raman Iris to 2 mm	28
04:39:21		25
04:42:25		27
04:45:52		29
04:51:32		25
04:54:48		22
04:56:58	Daystar to 4.3	19
04:58:35		22
05:04:42		17
05:07:11		17

Logsheet:2

Page : 1967

Sondrestrom Lidar Operation Log

Log Sheet 3 of 3
Operators : J. Thayer, M. Hayman, K. Greer
Date(s) : 080518 - 080518
File(s) : L20080518_002 - L20080518_002

Files	Time [UT]	Comments	Cnt	S
	05:12:54		17	0
	05:16:24	Daystar to 3.5	17	0
	05:18:47		19	0
	05:20:18		16	0
L20080518_002	05:21:55	Placing ND filter in Tx of Big Sky Laser. Bringing down		0
		Rayleigh Laser momentarily
	05:25:48	ignore this profile	9	0
	05:26:25		22	0
	05:31:06		18	0
	05:33:34		18	0
	05:45:11		18	0
	05:45:43	Daystar to 4.1	18	0
L20080518_002	06:12:48	Starting Flipping With HWP		0
L20080518_002	06:19:06	Rayleigh return is below the noise floor in the cross polarized		0
		channel. Chopper is not fully open until higher altitudes. Stopping
		HWP Flipping
	06:44:01	Adjusted Chopper window to 38		0
	07:02:06	Still seeing dip in the Rayleigh near noise floor. Turning off		0
		Big Sky to attempt to eliminate afterpulsing.
	07:17:02	End of experiment		0