[daip] Error running SDVEL

[Eric Greisen]

Jeff Mangum wrote:
> Hi Eric,
> 
> Tried running SDVEL on one of my old OTFUV data sets.  Ran into an error 
> whereby SDVEL fails as it cannot find an antenna file...
> 
> localh> SDVEL1: Task SDVEL  (release of 31DEC07) begins
> localh> SDVEL1: Create CME1CO10F1  .SDVEL .   1 (UV)  on disk  2  cno  166
> localh> SDVEL1: TABINI: REQUESTED AN FILE   0 DOES NOT EXIST
> localh> SDVEL1: ANTINI: ERROR   2 FROM TABINI OPCODE = READ
> localh> SDVEL1: ANTINI: ERROR   2 INITIALIZING ANTENNA TABLE FOR READ
> localh> SDVEL1: GETANT: ERROR  2 OPEN-FOR-READ AN FILE
> localh> SDVEL1: SDVLIN: ERROR  2 OBTAINING ANTENNA INFORMATION
> localh> SDVEL1: Destroyed UV image file: catno=    166 disk= 2
> localh> SDVEL1: Purports to die of UNNATURAL causes
> localh> SDVEL1: localhost    31DEC07 TST: Cpu=        .6  Real=       4
> 
> Here is the header for the input file...
> 
>  >imh
> AIPS 1: Image=CME1CO    (UV)         Filename=CME1CO10F1  .OTFUV .   1
> AIPS 1: Telescope=NRAO 12M           Receiver=3mmhi
> AIPS 1: Observer=jgm CDC             User #=  277
> AIPS 1: Observ. date=22-OCT-1995     Map date=01-MAY-2008
> AIPS 1: # visibilities    225120     Sort order
> AIPS 1: Rand axes: RA  DEC  TIME1  BEAM  SCAN  SAMPLE  WEIGHT  SCALE
> AIPS 1: ----------------------------------------------------------------
> AIPS 1: Type    Pixels   Coord value     at Pixel     Coord incr   Rotat
> AIPS 1: COMPLEX      1   1.0000000E+00       1.00  1.0000000E+00     .00
> AIPS 1: STOKES       1   1.0000000E+00       1.00  1.0000000E+00     .00
> AIPS 1: FREQ       128   1.1527046E+11      64.50  1.0000000E+05     .00
> AIPS 1: RA           1    00 00 0 .000       1.00       3600.000     .00
> AIPS 1: DEC          1    00 00 0 .000       1.00       3600.000     .00
> AIPS 1: ----------------------------------------------------------------
> AIPS 1: Coordinate equinox 1950.00
> AIPS 1: Observed RA   03 43 15.000    DEC  23 30 0 .00
> AIPS 1: Rest freq 115271.204         Vel type: RADIO   wrt LSR
> AIPS 1: Alt ref. value  8.00000E+03  wrt pixel   64.50
> AIPS 1: Maximum version number of extension files of type HI is   1
> 
> -- Jeff

I made AN tables with 12m data - the task needs antenna info like 
latitude, longitude, elevation (actually X, Y, Z coordinates) to do the 
velocity computations.  The translator tasks I provided made such a file 
for the 12m.  Note that any one will probably do.

Eric Greisen