[evlatests] Low amplitudes at Q-band

Rob Long rlong at nrao.edu
Thu Oct 20 17:38:12 EDT 2011


Any idea who is using the array right now? We could take a few moments 
to set up at Q-band to check the hardware.

Rob

Rick Perley wrote:
>     I had a test, right after lunch, at all bands from X through Q.    
> In reviewing the Q-band data, I agree with some of Michiel's observations:
> 
>     6 looks o.k. to me. 
>     8 is very low in IFs A and C -- this is the case at *all bands*!!!
>     11 is very low in RCP (IFs A and B)
>     21 was out of the array for my test.
>     22 and 24 look o.k. to me. 
>  
>     Rick
> 
> 
> Michiel Brentjens wrote:
>> When looking at a brief test data set for tonight's Q-band holography, I noticed that there are a couple antennas / IFs 
>> with low amplitudes:
>>
>> - 6 (all IFs)
>> - 8 AC
>> - 11 RCP
>> - 21 (all IFs)
>> - 22 RCP
>> - 24 (all IFS)
>>
>> Perhaps someone can look into these.
>>
>> - Michiel
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