[evlatests] Antenna 14 Measurements from 20 Sept 2005

Travis Newton tnewton at aoc.nrao.edu
Wed Sep 21 12:14:30 EDT 2005


We have not seen this behavior in the lab observing the power meter
or total power digitizer.

We can set up a test with Labview and take data at approximately
10x/sec, but not much faster.

Travis

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?  Could it be that they occur on 10 sec intervals?  I'm suspicious
> more of the L302 than the T304 per se.
> 
> 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.)
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