Operation pass
20-9
UTC Date: 4/20/97
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Tape Start Time: 21:05 |
| T-Time:
21:17 |
| Tape Stop Time:
21:30 |
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Spectrograms |
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Wave files
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Data Log sheet |
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Sferic density: 0-5 (0=low 5=high)
M=Time Mark
T=Tweek
W=Whistler
O=Omega
C=Chorus
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Time |
Entry |
Sferic density |
| 21:05 |
M, O: cont, all stations |
2 |
| 21:07 |
M, O: cont |
2 |
| 21:09 |
O: cont, S: lite bursts |
2 |
| 21:10 |
W: pure one hop |
2 |
| 21:12 |
M, O: cont |
2 |
| 21:13 |
S: lite burst |
2 |
| 21:15 |
W: very weak, 2 per minute |
2 |
| 21:17 |
M, O: cont, all stations |
2 |
| 21:20 |
M, O: cont, all stations |
2 |
| 21:21 |
S: burst |
2 |
| 21:24 |
S: burst, O: cont, all stations |
2 |
| 21:25 |
M, O: cont, bug noise |
2 |
| 21:27 |
S: burst, 7 per minute |
2 |
| 21:29 |
S: burst, W: one hop |
2 |
| 21:30 |
M, O: cont, all stations |
2 |
| 21:31 |
knock sound |
2 |
| 21:33 |
O: present |
2 | |
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Note from the
field Greetings fellow Inspire Teammates,
Sorry for being so late on sending in the data, hope we can make it into the
journal in time for November. You might notice a difference in tape speed.
Apparently the tape deck was going a little fast, because I made an adjustment
to the motor before the April 20 operation. I have corrected the problem since
then. Our E-Field antenna has been improved since the last data take in early
May. With the help of Mike Staal at M2 or M-squared Enterprises in Fresno, Ca.,
we were able to come up with a very nice vertical VLF antenna. It stands 14.6
meters (or 48 Feet) tall. I designed a support base using a old milkcrate and
some slabs of aluminium bolted to it. Mike suggested using 1 1/2 inch diameter
aluminium tubing for the first few meters of the vertical element, getting
smaller as the height is increased. A very srong fiberglass pipe insulates the
antenna from ground. Within a few minutes we had superb VLF antenna, at a very
good price. The performance was excellent, even in the daytime we could hear a
good activity level. Just about 10 minutes before tape start time on the 20-9
data take, the wind blew down my new vertical, no damage was done, it was back
up in no time. The weather was mostly overcast on the 20-3 data take. As the
clouds began to dissipate, Comet Hale-Bopp was surprisingly visible through the
haze. It was clear on the next day's pass.
Sincerely, Team 19.
Flealess leader : Larry Kramer
Flunkey : Clifton
Lasky |
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