[evlatests] calibrator flux survey preamble

[Ken Sowinski]

> From evlatests-bounces at donar.cv.nrao.edu  Fri Jan 13 17:27:14 2006
> Return-Path: <evlatests-bounces at donar.cv.nrao.edu>
> Date: Fri, 13 Jan 2006 17:27:02 -0700 (MST)
> From: Barry Clark <bclark at aoc.nrao.edu>
> 
> > Seems to work, but there are peculiarities at C and X band.
> > To get enough power out of the deformatters for the T4 requires
> > driving the DTS modules very hard.  Only when the sampler value
> > RMS is between 30 and 60 is there enough drive to the T4 to allow
> > the ALC to level.  This happens for all IFs and only at C and X band.
> > The antenna does seem to fringe at C and X band, howver I can say
> > nothing about sensitivity.
> 
> Sounds like our old friend the oscillating P band receiver, putting a 
> very strong birdie in the 1-2 GHz band presented to the DTS.

Yes, it does.  Indeed, I was told that P band was worked 
on at that antenna this morning.

Ken