[evlatests] [Fwd: Problems with EVLA planetary observing]

[Barry Clark]

Yes, fixing the phase tracking broke the az/el calculation.  Will fix.

> From evlatests-bounces at donar.cv.nrao.edu  Tue Oct 30 01:02:33 2007
> 
> barry - any idea what's going on here?  this is all "old-style" 
> tracking, where the executor does all the calculations...
> 
> 	-bryan
> 
> 
> -------- Original Message --------
> Subject: Problems with EVLA planetary observing
> Date: Mon, 29 Oct 2007 23:41:00 -0600
> From: VLA Operations <observe at nrao.edu>
> Organization: National Radio Astronomy Observatory - VLA
> To: Bryan Butler <bbutler at nrao.edu>, Ken Sowinski <ksowinsk at nrao.edu>, 
>        Pat Van Buskirk <pvanbusk at nrao.edu>
> 
> Hi..
> 
> I wrote this up in Mainsaver and I left a message for Bryan on his cell
> phone, but I wanted to write more about it.
> 
> It looks like every time a source is encountered with a PM card in it,
> the Executor causes all of the antennas to be pointed to 89-90 degrees
> elevation and gives them all very large positive or negative azimuth
> values.  Needless to say, they never get on source.  When a
> non-planetary source is encountered, the values are all correct.
> 
> I noticed that when it was on URANUS that the OBSERVATION DATA panel in
> the operator screen showed the RA and Dec for URANUS to be 00:00:00 and
> 00.0000.  That can't be right.
> 
> I hope this helps.
> 
> Tom Briscoe
> VLA Operations
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