[evlatests] Latest X-band RFI tests
Walter Brisken
wbrisken at nrao.edu
Mon Jul 17 21:09:53 EDT 2006
Hi Rick,
Was there any sign of 8192 in any cross-correlation? I expect that Walsh
Switching should quite effectively remove this as long as it doesn't cause
non-linear response.
-W
> In summary:
>
> The absorption/shielding appears to be effective for the 8799 MHz
> line -- presumably because the origin involves radiative coupling
> between the two mixers/LOs. However, at 8192 MHz, there is still quite
> a strong response, despite the shielding and absorption. Another order
> of magnitude (10 dB) is likely needed, if we are to reduce this to
> negligible values.
>
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