[evlatests] Some bandpass problems, c-band
Bryan Butler
bbutler at nrao.edu
Thu Jul 16 18:22:19 EDT 2015
both of these antennas had known sampler problems, which were fixed by
resets yesterday (courtesy of ken).
-bryan
Rick Perley wrote on 7/16/15 15:33 :
> I have two wideband databases, taken 06 and 09 July, at C-band. For
> both, the two problems noted below were seen:
>
> 1) ea08, in RCP, subbands 8 and 9 show the 'notch' effect in the
> bandpass shapes -- the bandpasses descend linearly to zero response at
> mid -frequency (5.0 GHz, in this case). (I think that's IF 'A1').
>
> 2) ea21, the entire bandpass in LCP has very poor sensitivity for
> subbands 17 through 32. (I think this is the 'D2' IF).
>
>
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