[evlatests] Bad SPW

[Rick Perley]

Ken, et al.:

It affects only one antenna -- ea17.

I have new data from last night -- will check to see if the problem 
remains ...

Rick

On 6/30/23 12:03, Ken Sowinski wrote:
> 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