[daip] Re: time order problem

[Eric Greisen]

Bob Becker writes:
 > hello, i have some GMRT data which i read into aips. it does not come with
 > an index extension so i run indxr on it which promptly tells me that
 > there is some data out of time order (the header says TB ordered)
 > i tried to sort it with both uvsrt and msort to no avail, indxr
 > continues to give the same error message.
 > 
 > >go indxr
 > INDXR1: Task INDXR  (release of 31DEC04) begins
 > AIPS 1: Resumes
 > >INDXR1: A CL table already exists: a new one will not be created
 > INDXR1: QUITTING: FILE CONTAINS DATA WHICH IS OUT OF TIME ORDER
 > INDXR1: UV FILE HEADER SORT ORDER IS INCORRECT
 > INDXR1: Use UVSRT or MSORT to sort the file into  time order
 > INDXR1: and try again.
 > INDXR1: Purports to die of UNNATURAL causes

You did tell it SORT='TB' I presume in UVSRT?  That makes this very
mysterious.  Can you write the data into a FITS file somewhare that I
can read?

Eric Greisen