[evlatests] Bad SPW

[Ken Sowinski]

On Thu, 29 Jun 2023, 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 need in the low frequency bands (L though Ku).  Q-band was 
> not observed.
>
> The problem was in every database taken since june 22.

This didn't get as much attention as your complaint about ea27.

If, as it appears, this affects all antennas then it sounds like
a bad, or misconfigured, baselineboard.  Other possibilities are
the network switch or CBE, but a bad blb is much more likely.

Ken