[evlatests] Current status

Jim Jackson jjackson at nrao.edu
Thu Oct 19 11:28:46 EDT 2006


Barry,

Which synthesizer had the lock problem in Ant 24 at C-band?  I have another 
to put in that we want to test a firmware change with.  If I don't hear 
otherwise, I'm going to have Jerry put it in 24 BD based on the X-band 
description.

Jim


At 02:55 PM 10/18/2006, Barry Clark wrote:
>People were working on antenna 26.  Herewith the comments on the others.
>Things worked pretty well.  Not being mentioned below indicates that
>the antenna/IF was at least working.
>
>X band.  18 is a little weak, but maybe because the delays are misset.
>24 BD has very low total power, and is in effect not working because of
>that.  (Cannot be corrected with attenuators in T304.)
>
>C band.  24 L302 didn't lock on initial setup.  Reboot cured it.
>
>K band.  24 was pretty weak, but I'm not sure the collimation has been
>set.  18 is also weak.
>
>L band.  24 is perhaps a little weak.
>
>Q band.  18 is very weak, but present.  I didn't do any pointing, so the
>pointing may be bad.
>
>Tweaked delays at X and C bands.
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