[evlatests] TCal values
Barry Clark
bclark at nrao.edu
Tue Oct 24 14:55:12 EDT 2023
Yes, the values there I just typed in by hand. I haven't tried to keep
them up to date at all.
On 10/24/2023 12:18 PM, Ken Sowinski via evlatests wrote:
> On Tue, 24 Oct 2023, Bryan Butler via evlatests wrote:
>>
>> Rich should be able to get these in. But he's on vacation right now
>> (I think he still is - he was last week).
>
> Barry has a utility to update Tcal values from the FE repository on
> filehost. I could well be missing sometihng, but it looks like it will
> not work for Pband.
>
> An additoonal problem is how to learn the serial number of the P band
> receiver at each antenna. It is available for other bands from the F317;
> again, I am not sure where to find it for P band.
>
> Ken
>
>
>> -Bryan
>>
>>
>> Rob Long via evlatests wrote on 10/24/23 09:42:
>>> Hi Rick,
>>>
>>> There are existing folders in filehost that are for the P-band and
>>> 4-band
>>> cal data. This is in the same area as the cryo receiver T-cal data.
>>> (\\filehost\evla\techdocs\FE_Rx_Data\EVLA\P-band F302 (or 4-band
>>> F301).
>>> The data is in a .txt file.
>>>
>>> I can get all of these folders added/updated.
>>>
>>> Rob
>>>
>>> On 10/24/2023 9:05 AM, Rick Perley via evlatests wrote:
>>>>
>>>> Eric reminded me that the Tcal values used to calculate the system
>>>> temperatures are available in the 'CD' table.
>>>>
>>>> Reviewing this, I find that all antennas *except* ea12, ea18,
>>>> ea20, ea23,
>>>> ea24, ea25, and ea26 are set to 1.0 K. The values for the named
>>>> antennas range from 10 to 23K, and are different between the two
>>>> polarizations. (ea13 was out of the array, so no statement can be
>>>> made
>>>> for it).
>>>>
>>>> It would be good to update these values, so reasonable values of
>>>> Tsys can
>>>> be generated.
>>>>
>>>> Rick
>>>>
>>>>
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>>>
>>>
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>>
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