[evlatests] IF1-IF2 Phase troubles -- the bad and the good

Ken Sowinski ksowinsk at nrao.edu
Sat Oct 14 18:39:50 EDT 2006


On Fri, 13 Oct 2006, Rick Perley wrote:

>    Point of emphasis:  There is no differential effect between the EVLA
> antennas.  Using antenna 18 as a reference, the R1-R2, and L1-L2 phases
> are steady (or drift slowly -- see below).

I take this to mean that the EVLA antennas do not do
this.  If that is really true it rules out most
everything except the Flukes and how the Modcomps
drive the L7s.  Or it could just be that we don't
have enoough EVLA antennas to see it happen?




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