[evlatests] EVLA Today -- 17 Jan 08

[Ken Sowinski]

On Thu, 17 Jan 2008, Rick Perley wrote:

>    5) U-Band.
>
>    All is normal
>
>    6)  K-Band.  All antennas fringed.  But:
>
>    - 13A and C low sensitivity by a factor of 1.7
>    - 19, all IFs, low sensitivity by a factor of 3
>    - 25 all IFs, low sensitivity by a factor of 1.5 to 3.
>
>       In addition, four antenna-IFs (26B, 18D, 19D and 1C) failed to
> fringe on one of the two scans, but the data were not flagged.

I think these isolated, single IF failures are another example of
commands to the deformatters being ignored or lost.  U band uses
the 'other' sideband selection in the final filter while K band
(and all the others) do not.