[daip] Re: problem with reading-in uv data into aips

Eric Greisen egreisen at nrao.edu
Thu Oct 14 10:33:15 EDT 2004


Marcin Hajduk writes:
 > Dear Eric,
 > 
 > 
 > I have got an AIPS multi source disk file. I had read this file into AIPS
 > using ATLOD (this procedure writes ATCA data on disk). The file had been
 > read correctly. Now I want to send this file from one machine to
 > another. Thus I need to write the AIPS multi source file in FITS format on
 > the disk, then transfer it to the second machine and read it again, using,
 > for example, FILLM. I used FITAB procedure to write the file on the disk in
 > FITS format (the name was PNB1711_2146). Then I tried to read back this
 > FITS file into AIPS on the same computer. I used FILLM procedure for this
 > purpose. But I could not read back the file that I had copied on the disk
 > in FITS format just a moment before. Below is what AIPS reports:
 > 
 > 
 > FILLM1: Task FILLM  (release of 31DEC04) begins
 > FILLM1: Shadow flag limit =  2.500E+01 meters.
 > FILLM1: Opacity correction in CL table weighted average of weather and
 > FILLM1:    season.  Weight for weather = 0.50
 > FILLM1: Gain curve correction in CL table read from file,
 > FILLM1:    with variation as function of antenna and band.
 > FILLM1: Opening MYAREA:PNB1711_2146
 > FILLM1: FLDKIO: LBYTES=   11648 BUT IERR = 0
 > 
 > 
 > Do you know what kind of problem may it be?
 > I do not thing I changed any important parameter in FITAB/FILLM
 > settings. The PNB1711_2146 (after writing it on the disk) file has volume
 > of 142 Mb. This is reasonable value since the same file in 'ATCA format' has
 > 129 Mb.

FILLM is like ATLOD - it reads a special telescope format into AIPS.
Use UVLOD or FITLD to read back FITS files.

Eric Greisen




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