[evlatests] RFI birdie in Ka-band

[Vivek Dhawan]

The 30976 is not seen in the most recent RFI sweep.
There is a very strong 29440 = 128*230.

These might depend on how the LOs are set, and might
be leaking into the IF(s) not at the sky frequency.

look here:

http://www.vla.nrao.edu/astro/RFI/Jul23_A/RFI_Ka.pdf

On Thu, August 17, 2023 11:33, Sergio Garza via evlatests wrote:
| It might be useful to contact Chenoa Tremblay about birdies. I believe
| COSMIC SETI has several recorded instances of birdies in their data
| which could add to this thread.
|
| Sergio
|
| On 8/17/23 11:25 AM, Rick Perley via evlatests wrote:
|> I find a fairly strong 'birdie' in Ka-band -- at 30.976 GHz. This is
|> the 242nd multiple of 128 MHz.  Don't know if this is relevant ...
|>
|> No other birdies are seen in this band.
|>
|> Any ideas?
|>
|>
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