Description

Page : 177

Sondrestrom Lidar Operation Log

Operator(s) : E.Gudmundsson
Purpose : Data collection and test using ArcLite4meteor 150 recs/scan, 1500scans/file
Date(s) : 981007 - 981008
File(s) : L9810071 - L9810072
Comments : An operator error caused the sodium records to be 15 secs instead of the intended
5
secs. This was because the operator forgot to change the sodium records/scan to
50recs/scan. At around 02:00 UT this mistake was corrected but no fileincrement
was made (sorry Jeff). There was probably a sporadic layer around 02:15 UT.
Logfile : l9810070.log

Setup:0

Page : 178
[Variables]
Dye Power=80mJ
Rayleigh Power=550mJ

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

Logsheet:0

Page : 179

Sondrestrom Lidar Operation Log

Log Sheet 1 of 1
Operators : E.Gudmundsson
Date(s) : 981007 - 981008
File(s) : L9810071 - L9810072

Files	Time [UT]	Comments	Cnt	S	Ope
L9810071	22:42:18	Start of experiment	2078	0	EG
		running wiht the 1800recs/scan version while getting stable	2078
L9810071	22:49:34	Sodium Convergence mirror adjusted	1855	0	EG
L9810071	22:51:54	Rayleigh Convergence mirror adjusted	1781	0	EG
L9810071	23:20:43	Changing to Arccvi4Meteor	2261	0	EG
L9810071	23:23:18	Running with Arccvi4Meteor	2261	0	EG
L9810072	23:59:28	Rayleigh Convergence mirror adjusted	169	0	EG
		The sodium layer is visible on Johns display program
		to the extent that it is propably possible to tune!
L9810072	00:01:08	counts	172	0	EG
L9810072	00:02:16	Clouds drifting in the beam, not serious though	149	0	EG
L9810072	01:34:02	Top Sr430 died on me (bi-metal overheat)	193	0	EG
L9810072	02:00:07	running again with both sr430		0	EG
L9810072	02:00:23	probably forgot to change the sodium one to 50 recs/scan		0	EG
		previously
L9810072	02:15:23	!!! There is probably a sporadic layer here	79	0	EG
L9810072	02:50:08	It's getting to hazy, closing down at rec no 1017	8	0	EG
L9810072	02:49:54	End of experiment	8	0	EG