[daip] A problem about "msort"

[Eric Greisen]

宁煌 wrote:
> Can I convert "type MA" to "type UV" in AIPS?What can I do?
>  
>  
>  >getn 5
> AIPS 1: Got(1)   disk= 1  user=   7   type=MA   M1.UVDATA.1
>  >imh
> AIPS 1: Image=M31       (MA)         Filename=M1          .UVDATA.   1
> AIPS 1: Telescope=EFFELSBE           Receiver=
> AIPS 1: Observer=BECK                User #=    7
> AIPS 1: Observ. date=BAD DATE        Map date=19-NOV-2001
> AIPS 1: Minimum=-2.46200000E+03      Maximum= 3.96030156E+04 MYJY/BEA
> AIPS 1: ----------------------------------------------------------------
> AIPS 1: Type    Pixels   Coord value     at Pixel     Coord incr   Rotat
> AIPS 1: RA---ARC   521    00 40 01.800     261.00        -15.000    0.00
> AIPS 1: DEC--ARC   241    40 59 46.006     121.00         15.000   53.00
> AIPS 1: FREQ         1   4.8499999E+09       1.00  5.0000000E+08    0.00
> AIPS 1: ----------------------------------------------------------------
> AIPS 1: Coordinate equinox 1950.00
> AIPS 1: Map type=NORMAL              Number of iterations=       1
> AIPS 1: Conv size= 180.00 X 180.00   Position angle=   0.00
> AIPS 1: Maximum version number of extension files of type HI is   1

No - you have an image at this location in your catalog.  Try TVLOD
after GETN 4
to see what the image looks like.  How you got this I do not know.

You must load your UV data with FITLD over again.

Eric Greisen