[evlatests] ea20 gain variations

[Ken Sowinski]

On Tue, 19 Jan 2016, Rick Perley wrote:

>     Rob:
>
>    Ken wonders about pointing.  If so, this would affect X-band more than 
> C-band.  The variations are 10% (in power) for both runs. However, the 
> frequency difference was not large -- 7.0 GHz center for one, 9.0 GHz for the 
> other.
>     I have Ku-band data, but not analyzed yet.  (Drowning in data here ...

I was worried that perhaps there was a large periodic encoder error,
however in a short pointing run last night there was no hint of
anything wrong with ea20.

Ken