[evlatests] Non-fringing antennas, yesterday

Ken Sowinski ksowinsk at nrao.edu
Tue Aug 21 15:30:58 EDT 2012


On Tue, 21 Aug 2012, Rick Perley wrote:

>    The 40 minute 'PDif compression' test was run yesterday, about
> noon.  Detailed results to be given later.  A couple of 'global'
> observations from a perusal of the data (taken at L, S, C, X, and Ku bands):
>
>    ea11 gave no fringes at any of these bands in LCP.  The data were
> *not* flagged.    RCP was good.

ea11 had DTS problems recently.  It was working later in the day,
but delays had to be set for the LCP IFs.

>    ea27 gave no fringes at any band on any IF -- but was flagged.

ea27 was out of service at the time.

>    ea26 was flagged at L-band on all four IFs, but the data appear to
> be perfectly good to my eye.  Possibly a minor subreflector position or
> focus error?

don't know nuttin' about this




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