Description

Page : 1830

Sondrestrom Lidar Operation Log

Operator(s) : Christian, Have, Pedersen, E.Guðmundsson, Christian, Have, Pedersen, Christian, Have, Pedersen, Christian, Have, Pedersen, Christian Have Pedersen
Purpose : Data acq. on 532 nm channel.
Date(s) : 070606 - 070606
File(s) : L20070605_001 - L20070606_002
Comments : Usefull rayleigh profile. No daystar in optical path.
Logfile : I0606070.log

Setup:0

Page : 1831
[0]
front end Iris=not_installed
Rayleigh System=On
Rayleigh Field stop=0.5mm
Rayleigh path attenuation=0dB
Dye System=Off
Sodium Field stop=0.5mm
Etalon=Out
Daystar=Out
Polarizer=In
HalfWave Plates=Tracking
Rayleigh Filter=2:532(.5nm)
Rayleigh seeding=off

Logsheet:0

Page : 1832

Sondrestrom Lidar Operation Log

Log Sheet 1 of 2
Operators :
Date(s) : 070606 - 070606
File(s) : L20070605_001 - L20070606_002

Files	Time [UT]	Comments	Cnt	S	Ope
L20070605_001	00:57:20	Start of experiment		0	EG
L20070606_001	02:00:26	Logging background and noise count to verify HW track direction		0	EG
L20070606_001	02:02:08	Background count: 612 (Av. noise cnt.)		0	EG
	02:02:09	Noise sub. count: 429		0	EG
L20070606_001	02:17:31	Background count: 503 (Av. noise cnt.)		0	EG
	02:17:33	Noise sub. count: 406		0	EG
L20070606_001	02:42:07	Bck. cnt. : 423 Noise sub. cnt. =>	342	0	EG
L20070606_001	02:54:03	Bck. cnt.: 400 Noise sub. cnt. =>	309	0	EG
L20070606_001	03:04:23	Bck. cnt.: 392 Noise sub. cnt. =>	287	0	EG
L20070606_001	03:29:25	Bck. cnt.:405 Noise sub. cnt. =>	193	0	EG
		It is now 01:30 LT midnight. Should see increasing bck cnt.
		from now.
L20070606_002	03:46:00	Bck. cnt.> 440 Noise sub. cnt.: =>	148	0	EG
L20070606_002	03:47:22	Starting to loose profile height.		0	EG
L20070606_002	03:50:16	HW plate visual inspection: TX HW = 60 degrees.		0	EG
		RX HW = 15 degrees
L20070606_002	03:59:22	Will try and adjust TX HW plate to optimize profile	95	0	EG
L20070606_002	04:03:00	TX HW plate now 29 degrees. (Manual set)	340	0	EG
L20070606_002	04:04:27	Bck. cnt.: 505 Noise sub. cnt. =>	363	0	EG
L20070606_002	04:07:05	Seems that TX HW plate is tracking in wrong direction	358	0	EG
L20070606_002	04:24:07	Bck. cnt.: 617 Noise sub. cnt =>	338	0	EG
		Solar Zen.: 90.02
L20070606_002	04:33:44	Bck. cnt. 678 Noise sub cnt. =>	317	0	EG
L20070606_002	04:35:51	Adjusting TX HW plate again.		0	EG

Logsheet:1

Page : 1833

Sondrestrom Lidar Operation Log

Log Sheet 2 of 2
Operators : E.Guðmundsson, Christian, Have, Pedersen
Date(s) : 070606 - 070606
File(s) : L20070606_002 - L20070606_002

Files	Time [UT]	Comments	Cnt	S	Ope
L20070606_002	04:39:44	TX HW plate 25 degrees. Difficult to optimize when tracking	322	0	cp
		in wrong direction.
L20070606_002	05:08:36	Bck cnt. 990 Noise sub. cnt. =>	270	0	cp
L20070606_002	05:26:43	Bck cnt. 1168. Noise sub. cnt. =>	225	0	cp
		Solar Zenith: 87.76
L20070606_002	05:27:20	End of experiment		0	cp