[evlatests] antenna 28 pointing still bad

[Barry Clark]

Hey, these are big effects we are looking for.  Put a level on the yoke.

> From evlatests-bounces at donar.cv.nrao.edu  Tue Nov 25 09:44:06 2008
> Date: Tue, 25 Nov 2008 09:43:34 -0700 (MST)
> From: Bob Broilo <bbroilo at nrao.edu>
> 
> >> From .001" -> 2 arc-sec, the radius the .001" is acting over is
> > given by 10^-2/R = 10^-5 radians, or R = 100 inches.
> 
> Sounds correct, the bearing is 120" so the point at which we are
> measuring is prolly 10" or so inward.
> 
> > Bob sees this between 110 and 140 degrees, but the pointing "bump"
> > is seen between 100 and 250 degrees of azimuth.
> 
> Also, the magnitude of the "bump" should change according to the
> direction from which it is approached.  Is this true?
> 
> Bob.
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