[evlatests] wrap of EVLA antennas

[Claire Chandler]

But if the EVLA and VLA antennas were really starting out from the same 
location, why did it take longer for the EVLA antennas to slew to the new 
location at the start of the second script?

Claire

On Wed, 21 Feb 2007, Barry Clark wrote:

> This is a well-known feature - the Modcomps know where the antennas are
> and react accordingly.  The Executor does not.  It assumes the antennas
> are where last commanded.  But there is no memory of commands from one
> script to the next.
>
> One of many extensions needed to be made to the code.
>
>> From evlatests-bounces at donar.cv.nrao.edu  Wed Feb 21 11:09:39 2007
>> X-Authentication-Warning: habanero.aoc.nrao.edu: cchandle owned process doing
>> 	-bs
>> Date: Wed, 21 Feb 2007 11:09:03 -0700 (MST)
>> From: Claire Chandler <cchandle at nrao.edu>
>>
>> The observing log for K-band observations from the last couple of days
>> (AD556) indicate that the VLA and EVLA antennas started out in a different
>> wraps, and that the EVLA antennas had to unwind before our observations
>> began, getting on source late.
>>
>> This is significant because the program before ours (AB1232, another one
>> of mine) specified the wrap to be used at the beginning, and I see no
>> evidence that the antennas were on a different wrap by the end of that
>> program.
>>
>> AD556 did not specify a wrap at the beginning, because I thought I knew
>> where the antennas were going to be from the end of AB1232.  This means
>> that at the beginning of AD556 a different algorithm was being used to
>> determine which wrap should be used for the VLA and EVLA antennas, and
>> they came out with different answers.
>>
>> Claire
>> _______________________________________________
>> evlatests mailing list
>> evlatests at listmgr.cv.nrao.edu
>> http://listmgr.cv.nrao.edu/mailman/listinfo/evlatests
>>
>
> _______________________________________________
> evlatests mailing list
> evlatests at listmgr.cv.nrao.edu
> http://listmgr.cv.nrao.edu/mailman/listinfo/evlatests
>