[evlatests] Bad SPW

Rick Perley rperley at nrao.edu
Thu Jun 29 16:45:21 EDT 2023


Important correction noted below ...

On 6/29/23 14:42, Rick Perley via evlatests wrote:
> In reducing some data  taken over the past week or so, I note that a 
> single spectral window, at Ku, K, and Ka bands, gives only noise -- no 
> coherent signal visible in either polarization.
>
> The SPW is:  #44 in Ku band
>
> and              #21 in both K and Ka bands.
>
> The problem is not *seen* in the low frequency bands (L though Ku).  
> Q-band was not observed.
>
> The problem was in every database taken since june 22.
>
> Rick
>
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