[evlatests] Antenna 10 azimuth servos

[Ken Sowinski]

On Mon, 22 Nov 2010, Rick Perley wrote:

>    Antenna 14:  The amplitude is larger, and the decay time larger --
> over 10 seconds to reach half amplitude.
>
>    Antenna 10:  The pattern here is entirely different than any other
> antenna.  The oscillation is larger (nearly 30 arcseconds, peak-peak),
> of much shorter period (3 seconds), and does not seem to be damped at
> all -- the oscillations continue throughout the entire 20 seconds spent
> at each position, with little discernible decrease in amplitude.  Sounds
> like a servo issue here.

Neither of these antennas are especially bad "pointers".
Each has a reasonable fit to the pointing model.  The
response Rick describes must average out over the time
of the measurements.