[evlatests] Antenna 14 Measurements from 20 Sept 2005
Rick Perley
rperley at aoc.nrao.edu
Wed Sep 21 12:10:54 EDT 2005
Barry Clark wrote:
>>Travis - I don't understand the apparent gain variations in the T304. Do
>>any of your measurements show this? When you characterize the T304's, are
>>you looking for fast variations this small? If not, how do we test this in
>>the lab?
>>
>>Jim
>>
>>
>
>
>Did the T304 output power glitches perhaps occur only when a script was
>running?
>
No. We monitored the output only when the antenna was stowed, and no
script running. The power measurements made while a script was running
were made at the RF. I'll report on these results shortly.
>Could it be that they occur on 10 sec intervals?
>
No. The fluctuations were very erratic, and occurred in 'bursts', with no
periodicities noted.
>I'm suspicious
>more of the L302 than the T304 per se.
>
>
We are, also.
>If you set up to look at this downstairs, you ought to have an Executor
>driving the L302 as you do. (BTW, Rich, does the Web interface support
>driving the test rack? The command line interface does.)
>
>
We were upstairs during these tests, and Bob had many screens open.
He'll have
to respond to this.
Rick
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