ARM91: Logbook Entries

ARM91: LEVELS Messages: 22 Entries..

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Entry Date Title Site Author #Graphics
12 Sat 16-Feb-1991level history to date: nonespo
15 Sat 16-Feb-1991Levels switched from 4m to 10m. nonespo
23 Sun 17-Feb-1991LEVEL SENSORS: nonesrs
34 Mon 18-Feb-1991LEVEL CHANGE: nonesrs
46 Tue 19-Feb-1991SONIC LEVELS: nonesrs
52 Wed 20-Feb-1991LEVEL CHANGE: nonesrs
64 Thu 21-Feb-1991LEVEL CHANGE: nonesrs
70 Fri 22-Feb-1991LEVEL CHANGE: nonesrs
77 Sat 23-Feb-1991Levels switched from 10m to 4m nonespo
94 Sun 24-Feb-1991levels switched from 4m to 10m nonespo
108 Mon 25-Feb-1991LEVEL CHANGE: noneTD
116 Tue 26-Feb-1991LEVEL CHANGE: nonesrs
124 Wed 27-Feb-1991LEVEL CHANGE: nonesrs
142 Thu 28-Feb-1991pitch.4m had a level shift nonespo
148 Thu 28-Feb-1991Switched sonic levels from 4m to 10m nonetwh
155 Fri 01-Mar-1991LEVEL CHANGE: nonesrs
168 Sat 02-Mar-1991LEVEL CHANGE: nonesrs
173 Sun 03-Mar-1991LEVEL CHANGE: nonesrs
211 Thu 07-Mar-1991Level change noneacd
235 Mon 11-Mar-1991LEVEL CHANGE: nonesrs
251 Tue 12-Mar-1991LEVEL CAHNGE: nonesrs
261 Wed 13-Mar-1991LEVEL CHANGE: nonesrs


12: LEVELS , Site none, Sat 16-Feb-1991 09:02:29 MST, level history to date:
level history to date: 
 
levels were first hooked up Wed (I think) to 4m uw.  Since the "pigtail" 
cable was labeled backwards, these channels were hooked up to the 10m 
channels (ragwort 106&107) and pitch and roll were probably reversed. 
 
On Thurs, I did several tests (including loosening the back guys to 
check the change in angle and ended up with levels hooked up to the 
10m uw on the right channels.  The result of these tests were that 
I think the BNCs on the display unit are labeled correctly (since 
"P" changed by .4 deg (from .42 tight to .00 loose) and "R" changed  
by .1 deg (from 1.2 tight to 1.1 loose) with the back guy loosened. 
This means that "Y" on the display is roll and "X" is pitch.  This 
should all be confirmed at the end of the experiment. 
 
On Fri (again, I'm not sure of the day) I switched back to the 4m uw 
now on the right channels. 
 
Today (Sat) I noticed that xcockpit showed that pitch.4m had changed 
from about -1.8 to -1.0 overnight - I'll check the guy wires today. 
 
Also, the cables are labeled strangly in the level box.  At the  
moment they are: 
Red "18m" goes to the 10m uw 
Red unlabeled goes to the 4m uw 
BNC "A" is ragwort:107 (roll.10m) 
BNC "B" is ragwort:106 (pitch.10m) 
BNC "C" is ragwort:105 (roll.4m) 
BNC "D" is ragwort:104 (pitch.4m) 
I should get to relabeling these cables today, since this is too 
much for a normal human (myself included) to understand. 
 
 
15: LEVELS , Site none, Sat 16-Feb-1991 13:14:53 MST, Levels switched from 4m to 10m.
Levels switched from 4m to 10m. 
 
I just labeled all of the cables also, so anyone should be able to  
do this task now. 
 
 
23: LEVELS , Site none, Sun 17-Feb-1991 14:47:55 MST, LEVEL SENSORS:
LEVEL SENSORS: 
 
	Level sensors were changed from 10m to 
4m at about 20:30 GMT. 
 
34: LEVELS , Site none, Mon 18-Feb-1991 12:32:49 MST, LEVEL CHANGE:
LEVEL CHANGE: 
 
	Sonic level inputs were changed at 
19:25 GMT. Changed from 4m to 10m. 
 
46: LEVELS , Site none, Tue 19-Feb-1991 17:00:13 MST, SONIC LEVELS:
SONIC LEVELS: 
 
	Sonic levels were changed when soil samples were 
taken, around 22:00 GMT. 
Change from 10m to 4m. 
 
52: LEVELS , Site none, Wed 20-Feb-1991 12:35:46 MST, LEVEL CHANGE:
LEVEL CHANGE: 
 
	Levels were changed from 4m to 10m at 19:20 GMT. 
 
64: LEVELS , Site none, Thu 21-Feb-1991 13:58:23 MST, LEVEL CHANGE:
LEVEL CHANGE: 
 
	Sonic level changed, at 20:55 GMT, from 
10m to 4m. 
 
70: LEVELS , Site none, Fri 22-Feb-1991 13:31:32 MST, LEVEL CHANGE:
LEVEL CHANGE: 
 
	Levels changed from 4m to 10m at 20:20 GMT. 
 
77: LEVELS , Site none, Sat 23-Feb-1991 13:49:58 MST, Levels switched from 10m to 4m
Levels switched from 10m to 4m 
 
 
94: LEVELS , Site none, Sun 24-Feb-1991 14:04:13 MST, levels switched from 4m to 10m
levels switched from 4m to 10m 
 
 
108: LEVELS , Site none, Mon 25-Feb-1991 15:53:07 MST, LEVEL CHANGE:
LEVEL CHANGE: 
 
	Change from 10m to 4m at 22:50 GMT. 
 
116: LEVELS , Site none, Tue 26-Feb-1991 14:08:50 MST, LEVEL CHANGE:
LEVEL CHANGE: 
 
	Level input changed from 4m to 10m at 21:05 GMT. 
 
124: LEVELS , Site none, Wed 27-Feb-1991 14:37:36 MST, LEVEL CHANGE:
LEVEL CHANGE: 
 
	The level signals were changed from 10m to 4m at 
20:35 GMT. 
 
142: LEVELS , Site none, Thu 28-Feb-1991 07:50:58 MST, pitch.4m had a level shift
pitch.4m had a level shift 
 
I've seen this before.  It happened sometime this shift - probably from 1200-1400 GMT. 
The pitch output increased by about .5 degree and is now steady at a new value.  Since 
there is no appreciable wind (1m/s) it is hard to imagine that this is real.  The 
shift seems to have been instantaneous (no ramp visible on xcockpit). 
 
This will require further investigation. 
 
 
148: LEVELS , Site none, Thu 28-Feb-1991 13:28:23 MST, Switched sonic levels from 4m to 10m
Switched sonic levels from 4m to 10m 
at 19:35. 
 
 
155: LEVELS , Site none, Fri 01-Mar-1991 11:41:59 MST, LEVEL CHANGE:
LEVEL CHANGE: 
 
	Level signals changed at 18:25 GMT from 
10m to 4m. 
 
168: LEVELS , Site none, Sat 02-Mar-1991 17:34:10 MST, LEVEL CHANGE:
LEVEL CHANGE: 
 
	level signals changed from 4m to 10m, 
23:00 GMT. 
 
173: LEVELS , Site none, Sun 03-Mar-1991 15:19:02 MST, LEVEL CHANGE:
LEVEL CHANGE: 
 
	The level signals changed from 10m to 4m 
at 22:00 GMT. 
 
	The cabling, analog cable, from the level signals 
was changed to a short cable today. This was done inorder 
to have an analog cable for the Vaisala probe attached to 
the 4m Kypton. Refer to logbook enter on operations, for today, 
for more information. 
 
211: LEVELS , Site none, Thu 07-Mar-1991 12:00:53 MST, Level change
Level change 
 
Levels changed 11:45 7 March 91 
From 4 m to 10 m 
 
235: LEVELS , Site none, Mon 11-Mar-1991 11:45:12 MST, LEVEL CHANGE:
LEVEL CHANGE: 
 
	The level sensor signals were changed 
from 10m to 4m at 18:40 GMT. 
 
251: LEVELS , Site none, Tue 12-Mar-1991 12:34:23 MST, LEVEL CAHNGE:
LEVEL CAHNGE: 
 
	The levels were changed from 4m to 10m 
at 19:05 GMT. 
 
261: LEVELS , Site none, Wed 13-Mar-1991 14:02:48 MST, LEVEL CHANGE:
LEVEL CHANGE: 
 
	The level signals were changed, at 20:50 GMT, 
from 10m to 4m.