[daip] AIPS help

[Eric Greisen]

Whiting, Catherine A wrote:
> Hi Eric,
> I am a graduate student at the University of Iowa and am working on my 
> master's thesis, for which I am determining the system temperature of 
> the EVLA antennas as a function of angular distance from the sun.  The 
> observations required use of the holography raster mode.  I have the 
> data and have successfully loaded it into AIPS, however, I would like to 
> know where the antennas were pointing throughout the observations.  I've 
> been corresponding with Rick Perley about this (he may have already 
> contacted you about this) and he suggested using the AIPS task UVHOL to 
> get the u,v coordinates, however, when I try to run UVHOL I get an error 
> message:
>  
> UVHOL2: Task UVHOL  (release of 31DEC08) begins
> UVHOL2: Finding the scaling parameters to set formats
> UVHOL2: Doing no flagging this time
> UVHOL2: ERROR:     -1 INITIALIZING UV FILE
> UVHOL2: Purports to die of UNNATURAL causes
> UVHOL2: phobos       31DEC08 TST: Cpu=       0.0  Real=       0
> Rick mentioned your name when I asked him about this error, so I was 
> wondering if you could help me figure out why the task won't run.  I 
> suspect that my uv data file may need some sort of holography 
> extension.(?)  I will attach a file with my inputs, but let me know if 
> you need any other information.  If you are willing to help me with 
> this, I would appreciate it greatly! 
> Thanks,
>  
> Catherine Whiting
> 409 VAN
> The University of Iowa
> 

The error -1 means end of file - it looked through your data set and did 
not find baselines labeled 1-1 which is what you requested 
(autocorrelations which are not what one has in holography).

Try ANTEN = 0; BASELI = 0

Use PRTUV to show you what AIPS thinks the antenna numbers actually are.

Eric Greisen