[evlatests] New (?) RFI in Ka-band

[Vivek Dhawan]

on second (or rather the first real) thought, my statement is
false if the firstLO is not a exact multiple of 128.

On Fri, January 15, 2021 10:37, Vivek Dhawan via evlatests wrote:
| Ken, Rick,
|
| I believe it cannot be a harmonic of 128, because any of
| these falls in a null between subbands, by construction.
|
| On Fri, January 15, 2021 09:24, rperley via evlatests wrote:
| | ... however, I'll note here that no other RFI spikes were seen in the
| | entire Ka band.  So why just this particular harmonic?
| |
| | Rick
| |
| | On 2021-01-15 11:14, Ken Sowinski wrote:
| |> On Thu, 14 Jan 2021, rperley via evlatests wrote:
| |>
| |>> New data, taken Tuesday afternoon, reveals an unresolved birdie in
| |>> Ka-band.
| |>> Frequency = 30.975 GHz.
| |>
| |> 128*242 = 30976
| |>
| |> That seems pretty close.
| |>
| |> Ken
| |>
| |>> Very strong -- equivalent to a couple of Jy in 128 MHz width.  (That's
| |>> BIG).
| |>>
| |>> Rick
| |>>
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| |
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