[daip] error message in FILLM
Claire Chandler
cchandle at nrao.edu
Tue Feb 20 10:34:20 EST 2007
Ken has an explanation for all. Let's discuss it during the EVLA test
meeting this morning.
Claire
On Tue, 20 Feb 2007, Eric Greisen wrote:
> What happened to the evidence that the Tsys was applied to the EVLA
> antennas? All of their fluxes were essentially the same numeric value
> as the VLA-VLA baselines. Clearly they had Tsys applied unless there
> is a very bad combination of bad Tsys measurements etc etc
>
> The Tsys is never applied to the weights by the on-line system - in
> fact FILLM is the one place they are computed and the Tsys
> measurements are always used in that computation independent of this
> Tsys application bit.
>
> Further, I was told that the Tsys would always be applied to all or
> always not applied to all rather than on an antenna basis. Otherwise,
> one gets baselines fully corrected, baselines partly corrected, and
> baselines totally uncorrected in a complete mix. Should FILLM really
> expect such a mess?
>
> Did any body take some Z-mode data for me to test that new portion of
> FILLM?
>
> Eric
>
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