[evlatests] tests, June 12

[Barry Clark]

> 2.  I spent some time looking at flagging of VLA antennas while
> doing pointing at X band to see how the ACU position alerts are
> behaving.  The answer is not well.  The response is not quick
> enough, especially on the side of lifting the alert.  Two of the
> measurements were erroneously flagged in every pointing trial
> I examined.  EVLA antennas were perfectly fine.  Not all moves
> were flagged, but when a move was flaggged it did not extend to
> the next, good record.
> 
> I don't know how to reconcile this with the good pointing result
> from last week.  I believe that Barry had things arranged to
> automatically turn on ACU alertsd at that time, so the only
> conclusion is that flagging is less sensitive at C band than
> X band.  We need to fix this or defeat it by Wednesday night
> if we expect to have a usefuk Modcomp free pointing run.
> 
> _______________________________________________

As we discussed some time ago, I made the flagging limit angle a function
of band; Yes, flagging is more sensitive at X band than at C band.