[evlatests] Frequency-dependent sensitivity at C and L bands
Ken Sowinski
ksowinsk at nrao.edu
Mon Jun 26 17:07:39 EDT 2006
On Mon, 26 Jun 2006, Rick Perley wrote:
> Might we be seeing something related to the LSC converter? But -- the
> L301 which drives this module doesn't change when we interchange
> AC and BD frequencies. So how could the LSC converter know when we
> do this?
when tuning to the default VLA frequencies, the same L301
is used for AC and BD at L band, however they are different
at C band. For C band:
L301-AC 14976
L301-BD 14720
> I will run a short test tonight, at C-band, interchanging the AC and BD
> default frequencies (4885 and 4835 MHz) in a manner similar to that done at
> L-band last Friday.
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