[evlatests] slow attenuator setting on ea16 IF D

Ken Sowinski ksowinsk at nrao.edu
Mon Aug 8 16:29:03 EDT 2011


On Mon, 8 Aug 2011, Keith Morris wrote:

> The monitor data archive shows that the total power in ea16-t304-d continued 
> to change after the attenuator had been set (see attached plot).  Ken's 
> subreflector hypothesis sounds reasonable.

Not really.

It would affect all IFs, and does not.
It would affect correlated data, but not total power, and does not.

Based on your plot, especially if similar plots for the
other IFs look normal, I would look at the downconverter.



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