Description


Page : 1259

Sondrestrom Lidar Operation Log


Operator(s) : Claus, Johannsen, E.Guðmundsson, Chirantan, Mukhopadhyay, Nathan, Rausch, Nathan, Rausch, Chirantan, Mukhopadhyay, Chirantan Mukhopadhyay
Purpose : data aq. NLC campaign
Date(s) : 030616 - 030619
File(s) : L20030616_000 - L20030619_003
Comments : Only ray. no sodium.

NLC Detected
Logfile : l0306160.log

Setup:0


Page : 1260
[Variables]
Dye Power=0mJ
Rayleigh Power=440mJ

[0]
front end Iris=2.0mm
Rayleigh System=On
Rayleigh Field stop=2.5mm
Rayleigh path attenuation=0dB
Dye System=Off
Sodium Field stop=2.5mm
Etalon=Out
Daystar=8A_In
Polarizer=In
HalfWave Plates=Tracking
Rayleigh Filter=2:532(.5nm)
Rayleigh seeding=off

[1]
front end Iris=2.0mm
Rayleigh System=On
Rayleigh Field stop=2.5mm
Rayleigh path attenuation=0dB
Dye System=On
Sodium Field stop=2.5mm
Etalon=Out
Daystar=8A_In
Polarizer=In
HalfWave Plates=Tracking
Rayleigh Filter=2:532(.5nm)
Rayleigh seeding=off

Logsheet:0


Page : 1261

Sondrestrom Lidar Operation Log


Log Sheet 1 of 2
Operators : Claus, Johannsen, E.Guðmundsson, Chirantan, Mukhopadhyay, Nathan, Rausch, Chirantan Mukhopadhyay
Date(s) : 030616 - 030618
File(s) : L20030616_000 - L20030618_001
FilesTime [UT]CommentsCntSOpe
L20030616_00011:01:06Start of experiment2530CJ
L20030616_00217:38:59Running with sodium. Incremented file1981EG
L20030616_00317:44:49Rayleigh Convergence mirror adjusted2141EG
L20030616_00421:31:48Peeked dye energy to 90mJ2661EG
L20030616_00421:37:56Sodium Convergence mirror adjusted2621EG
L20030616_00422:13:10Dye laser froze! reset key on Continuum power supply2681EG
and continued ops after the laser started lasing again
L20030616_00522:59:27Detecting an NLC. Req at 65km2751EG
L20030616_00500:00:44NLC dropping and fading.2911EG
L20030617_00001:30:02counts2951CM
L20030617_00207:28:30Beginnings of possible NLC2861CM
L20030617_00207:59:57Lost Na counts at 7:37:25, possibly due to SR4302891CM
L20030617_00310:27:21Restarting Arclite to restore Sodium data acq.2681NR
L20030617_00410:33:04Computer crashed; system up after reboot; Na tuned2601NR
L20030617_00410:57:37End of very weak NLC @ 83 km2601NR
L20030617_00412:16:46Week NLC at 78km, visible only on 10min integration2711EG
L20030617_00514:07:20Sodium Convergence mirror adjusted2671EG
L20030617_00720:27:06Testing the polarization flipping 2321EG
L20030617_00820:33:37Exiting polarization flipping411EG
L20030618_00002:52:50Large NLC detected, flipping plates2261CM
L20030618_00002:54:57Adjusted Na wavelength2261CM
L20030618_00003:28:01Marginal signal quality in minimum positions261CM
L20030618_00003:38:00Interesting Na layer2201CM
L20030618_00104:51:44NLC no longer present, reverting to sun tracking2351CM

Logsheet:1


Page : 1262

Sondrestrom Lidar Operation Log


Log Sheet 2 of 2
Operators : Chirantan, Mukhopadhyay, E.Guðmundsson
Date(s) : 030618 - 030619
File(s) : L20030618_001 - L20030619_003
FilesTime [UT]CommentsCntSOpe
L20030618_00105:11:33NLC detected2481CM
L20030618_00206:48:56NLC detected2651CM
L20030618_00208:28:36NLC detected2591CM
L20030618_00208:37:33Started flipping plates2641CM
L20030618_00309:52:24Resumed sun tracking281CM
L20030619_00304:35:05End of experiment2381EG