Description

Page : 1372

Sondrestrom Lidar Operation Log

Operator(s) : E.Guðmundsson, Claus Johannsen
Purpose : Routine data collection
Date(s) : 040127 - 040128
File(s) : L20040127_000 - L20040128_002
Comments : Sporadic sodium layer detected
Logfile : l0401270.log

Setup:0

Page : 1373
[Variables]
Dye Power=70mJ
Rayleigh Power=430mJ

[0]
front end Iris=3.0mm
Rayleigh System=On
Rayleigh Field stop=2.0mm
Rayleigh path attenuation=0dB
Dye System=Off
Sodium Field stop=2.0mm
Etalon=Out
Daystar=Out
Polarizer=In
HalfWave Plates=Tracking
Rayleigh Filter=2:532(.5nm)
Rayleigh seeding=off

[1]
front end Iris=3.0mm
Rayleigh System=On
Rayleigh Field stop=2.0mm
Rayleigh path attenuation=0dB
Dye System=On
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 : 1374

Sondrestrom Lidar Operation Log

Log Sheet 1 of 1
Operators : E.Guðmundsson, Claus Johannsen
Date(s) : 040127 - 040128
File(s) : L20040127_000 - L20040128_002

Files	Time [UT]	Comments	Cnt	S	Ope
L20040127_000	22:50:59	Start of experiment	866	0
L20040127_000	23:37:04	Started sodium lidar - looks like there is an Sporadic sodium	971	1	EG
		event in progress, peek at 75km
L20040127_000	00:34:59	Sporadic layer increasing in density	1034	1	EG
L20040127_000	00:55:22	looks like there is an observable raw count slope change at 75km	1028	1	EG
		on the Rayleigh profile
L20040127_000	00:57:31	counts	1034	1	EG
L20040128_000	01:44:05	Sporadic sodium has deseded somewhat and broadened	1003	1	EG
L20040128_000	03:03:21	counts	842	1	CJ
L20040128_001	04:16:59	counts	871	1	CJ
L20040128_001	05:27:28	Sodium stopped at 044159utc	986	1	CJ
L20040128_002	05:38:44	Restarted arclite program - running again	994	1	CJ
L20040128_002	06:12:18	counts	971	1	CJ
L20040128_002	07:03:23	counts	893	1	CJ
L20040128_002	08:02:30	End of experiment	845	1	CJ