| Date | Time | Ant | Dewar |
Chroma | VacIon | Vg/Vd bias | Gate Ig |
notes |
| 02 Jun3 05 | 1100 | A3 | 226 K | 7/17 (v/w) | 39 ma | 0.3/1.5 | 0.05 | A3 overcurrent - jeff restarted chroma |
| 1230 |
A3 |
198 |
10/33 |
40 ma |
0.3/1.5 |
0.05 |
upped chroma from 7 to 10v |
|
| 1330 |
A2 |
273 |
0/0 |
41 ma |
2.6/1.9 |
0.04 |
A2 tripped off, UPS problem? |
|
| 1345 |
A1 |
273 |
0/0 |
41 ma |
variac |
A1 tripped off |
||
| 1900 |
A2 |
56 |
10/50 |
5 ua |
2.6/1.9 |
0.03 |
jeff evacuated dewar thru focus tube |
|
| 1910 |
A3 |
58 |
10/49 |
2 ua |
0.3/1.5 |
0.05 |
jeff evacuated dewar |
|
| 1900 |
A1 |
273 |
off |
off |
off |
off |
jeff couldn't evacuate dewar on A1 |
|
| 03 |
1100 |
A2 |
140 |
0/0 |
3 ua |
2.6/1.9 |
0.03 |
chroma tripped again - vacuum held |
| took all chromas off UPS - set startup
Volts to 7v all 3 ants |
||||||||
| 1100 |
A3 |
50 |
10/49 |
3 ua |
0.3/1.5 |
0.05 |
jeff restarted 9:30am (overcurrent) |
|
| upped A2 Imax to 8 amp (was 6) |
||||||||
| 1300 |
A2 |
55 |
10/50 |
3 ua |
2.6/1.9 |
0.03 |
A2 cooling nicely |
|
| 1800 |
A3 |
83 |
10/39 |
10 ua |
0.3/1.5 |
0.05 |
no fringes - feed fan unplugged |
|
| 1810 |
A2 |
56 |
10/49 |
3 ua |
2.6/1.9 |
0.03 |
just checking |
|
| 07 |
1720 |
A3 |
64 |
7/25 |
1 ua |
0.3/1.5 |
0.05 |
tripped again. reset 10v/48w |
| 1750 |
A2 |
52 |
10/52 |
0.6 ua |
2.6/1.9 |
0.03 |
has not tripped since taken off ups |
|
| 08 |
1510 |
A3 |
49 |
10/51 |
1 ua |
normal |
normal |
raining |
| 1520 |
A2 |
50 |
10/52 |
0.5 ua |
norm |
norm |
raining |
|
| 09 |
0930 |
A3 |
48 |
10/51 |
0.9 |
0.0 |
cloudy - A3 LNA died |
|
| 0940 |
A2 |
50 |
10/52 |
0.5 |
0.02 |
|||
| 0950 |
A4 |
213 |
10 - variac |
|||||
| 10 |
1010 |
A1 |
273 |
10/50 |
partly cloudy |
|||
| 1020 |
A2 |
54 |
10/50 |
1.1 |
0.02 |
|||
| 1030 |
A3 |
72 |
10/41 |
3.8 ua |
0 |
A3 pol Y lna dead |
||
| 1040 |
A4 |
178 |
10 |
|||||
| 13 |
1325 |
A1 |
312 |
chroma off |
5kv/30ua |
vacion on 3 days & pumped out dewar! |
||
| 1335 |
A2 |
56.5 |
10/49 |
1.35ua |
2.6/1.8 |
.02 |
||
| 1340 |
A4 |
202.7 |
bias box |
|||||
| 1400 |
A3 |
273 |
RPA feed -no cryo |
|||||
| 1635 |
A1 |
86 |
10/39 |
7 ua |
bias box |
upped chroma to 12v/54w |
||
| 14 |
1000 |
A1 |
62.3 |
12/58 |
2.2ua |
|||
| 1010 |
A2 |
54.8 |
10/50 |
.2ua |
2.6/1.8 |
.02 |
||
| 1020 |
A3 |
273 |
chroma off |
5.0/5.3 |
.55 |
|||
| 1030 |
A4 |
200.48 |
||||||
| 15 |
950 |
A1 |
61.22 |
12/58 |
1.5ua |
|||
| 1000 |
A2 |
53.5 |
10/50.4 |
.85ua |
2.6/1.8 |
.02 |
||
| 1010 |
A3 |
273 |
chroma off |
5.0/5.3 |
.54 |
|||
| 1020 |
A4 |
201 |
||||||
| 16 |
1000 |
A1 |
57.8 |
12/59 |
.6ua |
Cold Day ~50 deg F |
||
| 1010 |
A2 |
50.8 |
10/52 |
.5ua |
2.6/1.8 |
.02 |
||
| 1020 |
A3 |
273 |
chroma off |
5.0/5.3 |
.53 |
|||
| 1030 |
A4 |
196 |
||||||
| 17 |
300 |
A1 |
57.75 |
12/60 |
.6ua |
Cold Day ~58 deg F |
||
| 310 |
A2 |
51.48 |
10/52 |
.1ua |
2.6/2.3 |
.04 |
||
| 320 |
A3 |
273 |
chroma off |
5.0/5.3 |
.53 |
|||
| 330 |
A4 |
198 |
||||||
| 21 |
945 |
A1 |
60.51 |
12/58 |
1.2ua |
~64.1 deg F |
||
| 955 |
A2 |
53.72 |
10/50 |
1ua |
2.6/2.3 |
.04 |
||
| 1005 |
A3 |
273 |
5.0/5.3 |
.54 |
||||
| 1015 |
A4 |
208.18 |
||||||
| 23 |
300 |
A1 |
69.02 |
12/56 |
3.2ua |
~80 deg F |
||
| 310 |
A2 |
59.13 |
10/48 |
1.4ua |
2.6/2.3 |
.03 |
||
| 320 |
A3 |
273 |
chroma off |
5.0/5.3 |
.55 |
|||
| 330 |
A4 |
226 |
||||||
| 24 |
225 |
A1 |
68 |
12/56 |
2.7ua |
~78 deg F |
||
| 235 |
A2 |
58.8 |
10/49 |
1.4ua |
2.6/2.3 |
.03 |
||
| 245 |
A3 |
273 |
5.0/5.3 |
.53 |
||||
| 255 |
A4 |
226 |
||||||
| 27 |
205 |
A1 |
67 |
12/56 |
2.4ua |
~79 deg F |
||
| 215 |
A2 |
60.033 |
8.0/35.3 |
1.7ua |
2.6/2.3 |
.03 |
||
| 225 |
A3 |
273 |
5.0/5.3 |
.55 |
||||
| 235 |
A4 |
228 |
protective tarp is not fastened over
the secondary reflector. |
|||||
| 29 |
320 |
1 |
72 |
12/55 |
4.7ua |
~87.5 deg F |
||
| 330 |
2 |
69.56 |
8.35/34.1 |
1.6ua |
2.6/2.3 |
.04 |
||
| 340 |
3 |
273 |
5.0/5.3 |
.55 |
||||
| 350 |
4 |
238 |
||||||
| July 1 |
100 |
1 |
72.87 |
12/54 |
5ua |
~89.6 |
||
| 110 |
2 |
70.1 |
8.35/33.9 |
1.7ua |
2.6/2.2 |
.03 |
||
| 120 |
3 |
273 |
5.0/5.3 |
.55 |
||||
| 130 |
4 |
241 |
||||||
| 5 |
1100 |
2 |
8.4/34 |
upped to 10/47 (why 8.4?) |
||||
| 1110 |
1 |
12/55 |
ok |
|||||
| 6 |
1130 |
1 |
69.9 |
12/56 |
3 ua |
~84.5 |
||
| 1140 |
2 |
59.73 |
10/48 |
2.1ua |
2.6/2.2 |
.03 |
||
| 1150 |
3 |
273 |
5.0/5.3 |
.55 |
||||
| 1200 |
4 |
138 |
power outage 9pm | |||||
| 7 |
1230 |
2 |
7/24 |
upped to 10/45 & set default=10 |
||||
| 1235 |
1 |
7/20 |
upped to 10/35 & set default=10 |
|||||
| 8 |
330 |
1 |
82.2 |
10.03/39.1 |
3.2ua |
|||
| 340 |
2 |
59.37 |
9.97/48 |
1.5ua |
2.6/2.2 |
.03 |
||
| 350 |
3 |
273 |
5.0/5.3 |
.55 |
||||
| 400 |
4 |
127 |
||||||
| 12 |
1100 |
1 |
79.69 |
2.5ua |
10/39.5 |
|||
| 1110 |
2 |
58.46 |
10/48 |
0.0 |
2.6/2.3 |
.04 |
||
| 1120 |
3 |
273 |
5.0/5.3 |
.55 |
||||
| 1130 |
4 |
126 |
||||||
| 13 |
520 |
1 |
87.13 |
10/38.7 |
4.3ua |
~95 deg F |
||
| 530 |
2 |
61.59 |
9.97/47.3 |
1.9ua |
2.6/2.3 |
.04 |
||
| 540 |
3 |
273 |
5/5.3 |
.55 |
||||
| 550 |
4 |
138 |
fixed radome (tip bent?) |
|||||
| 14 |
1510 |
1 |
89 |
10/38 |
0.05 ua ! |
+/-5v normal |
100 F day. upped to 12v/53w |
|
| 18 |
1110 |
4 |
82 |
fixed blower |
||||
| 26 |
1200 |
1 |
69.83 |
11.95/55.3 |
3.3ua |
|||
| 1210 |
2 |
60.18 |
10/47.7 |
2.5ua |
2.6/2.3 |
.04 |
||
| 28 |
4:00 |
1 |
75.34 |
11.95/54.4 |
3.3 ua |
|||
| 4:10 |
2 |
62.25 |
10/47 |
.1ua |
2.6/2.3 |
.04 |
||
| 8-5 |
4:00 |
1 |
75.55 |
11.95/54.1 |
5ua |
|||
| 4:10 |
2 |
63.86 |
9.97/46.5 |
2.6ua |
2.6/2.3 |
.04 |
||