[evlatests] Strange X-band birdie
Ken Sowinski
ksowinsk at nrao.edu
Wed Sep 15 19:02:18 EDT 2010
On Wed, 15 Sep 2010, Rick Perley wrote:
> The X-band HercA data have shown an odd birdie, not previously known
> to me.
>
> All four IFs show a strong, unresolved (2MHz wide channel) birdie at
> 8188 MHz. But it's visible only on antennas 13, 16, 19, and 26. Of
> these, it is, by far, strongest on antenna 16.
8192 is a multicple of 4096 and all its sub-harmonics.
Any chance you are off by two channels?
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