[evlatests] 180 degree phase jumps, and more

[Rick Perley]

Barry Clark wrote:

>The "ten second phenomenon" is due to an Executor software bug.  Improper
>rounding was occasionally causing the phase command for the first ten seconds 
>of a scan to go out too late.  Fix implemented, code committed, will be put 
>in standard Executor next update.  Thanks, Ken, for finding the smoking gun.
>
>"18 B & D phenomenon" appears to be the "needs another foot of cable"
>fix already implemented on Antenna 13 BD.  Has 13 BD been behaving itself 
>since we did that about a month ago?  (Hmm.  If it happens again on a BD 
>L302, I think we should re-route that cable a little.)
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    To answer Barry's question:  I have seen no unusual behavior of 
antenna 13 BD, since the extra cable went in.