[daip] FITS tapes and Stokes Parameters

[Mark Reid]

Dear Designated Aipser:

    A while ago I made some FITS tapes with FITAB and today restored the 
files to disk.  However, I'm getting an "incompatible Stokes Parameters" 
message from LISTR/MATX or POSSM.   The only way I can do anything with 
the data is to say STOKES='I'.

The data is RCP and LCP and the header says it has STOKES=2.

I did notice that the Stokes Coord vlaue is 1.0 and the Coord incr is 
3.0.  This looks wrong.  Is it, and, if so, is this a bug in FITAB or 
FITLD?   Can it be fixed with PUTH, and, if so, what values should I
"put"?

Sincerely,
Mark


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Mark J. Reid                 Phone: 617-495-7470
Harvard-Smithsonian CfA      Fax  : 617-495-7345
60 Garden Street             Email: reid at cfa.harvard.edu
Cambridge, MA 02138, USA     Web  : www.cfa.harvard.edu/~reid
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