[evlatests] Last 10 seconds issue

[Ken Sowinski]

On Tue, 3 Jul 2007, Rick Perley wrote:

>    It seems that it is always true that at precisely 10 seconds before
> the end of a scan, when the following scan is at a different frequency,
> the VLA and EVLA become incoherent.  The VLA antennas are always flagged
> out during the interval, the EVLA antennas are not.

...

There were two problems.
1.  VLA subreflector error alerts are generated when the new
     command is received rather than when it is executed.
2.  Deformatter queued commands are executed when received.

Unless there is a great clamor these will both be fixed when
Hichem returns.