[evlatests] 1830 MHz birdie?

[Dan Mertely]

I forgot to ask Rick whether it was also seen across the array when we 
were still in the A-array.  If it is from ea22 it would have been a lot 
quieter back then.  Rick?  -Mert

On 3/25/2021 1:39 PM, Rob Long via evlatests wrote:
> Could this possibly be related to the L-band issue we have on ea22? We 
> know there is a huge interference from the FRM drive on ea22. I don't 
> think servo has been able to investigate yet.
> 
> Rob
> 
> On 3/25/2021 1:00 PM, rperley via evlatests wrote:
>> In some recent observing at L-band, an ubiquitous RFI spike was seen. 
>> It is:
>>
>> - at 1830.0 MHz
>> - is seen on most, if not all antennas
>> - was present in every one of the 14 databases I have, all of which 
>> were taken at night
>> - seems to be spectrally unresolved
>>
>> It looks like an internal (or nearby) birdie.
>>
>> Can anybody suggest an origin?
>>
>> Rick
>>
>> _______________________________________________
>> evlatests mailing list
>> evlatests at listmgr.nrao.edu
>> https://listmgr.nrao.edu/mailman/listinfo/evlatests
> 
> _______________________________________________
> evlatests mailing list
> evlatests at listmgr.nrao.edu
> https://listmgr.nrao.edu/mailman/listinfo/evlatests