[evlatests] Low amplitudes at Q-band

[Michiel Brentjens]

On 10/20/2011 03:50 PM, Michael Rupen wrote:
> Talk to Joe, x7315 --
>
>           Michael
>
>> 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

6, 21, 22, and 24 were lower by about a factor of 2. 8 and 11 were indeed *very* low.

- Michiel

>>>
>>> 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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