[evlatests] Dissapointing test : day 567, LST 2130-0130

Ken Sowinski ksowinsk at aoc.nrao.edu
Tue May 23 17:19:06 EDT 2006



On Mon, 24 Apr 2006, Walter Brisken wrote:

>
> I repeated Rick's 5-band, 0.4 sec integration, on-source-off-source test 
> yesterday.  After that I had queued up tests of frequency switches to see if 
> L302 returns in phase to previous settings.  The EVLA antennas produced 
> basically nothing.  The only sign of life was in the first scan, at L-band. 
> Ants 14 and 16 had about 2 minutes of fringes with amplitudes that started 
> out OK but then dwindled, as if the antennas stopped tracking.  Ant 16 showed 
> phase winds within this period.  Winds were moderate to high throughout. 
> AIPS shows the elevation/azimuth increasing -- not sure if this is commanded 
> or actual though.

This sounds very much like what Rick saw Friday noonish.


Ken





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