[daip] Re: CVEL...

[Eric Greisen]

Nissim Kanekar writes:

 > I think CVEL can't do GMRT data right now because it has a check 
 > (APARM(7)) as to whether the data is from the VLA/ATCA/LBA/ATLBA or the
 > VLBA. In the case of the latter, it assumes that all data have been
 > fringe-rotated to the centre of the earth (rather than the telescope
 > reference point), while in the other cases, it picks up the telescope 
 > reference point from the Array name (I think). If one gives APARM(7) = 1,
 > the task crashes saying that the Array name is GMRT and not one of the 
 > allowed arrays. I'm not quite sure where CVEL picks up the co-ordinates of
 > the Array reference point from, i.e. whether it reads in the Array name 
 > from the AN table and then picks up the appropriate co-ordinates from
 > inside the code or whether the Array co-ordinates are themselves are read
 > from the AN table. I think one would need to either add the GMRT
 > co-ordinates in the code or to allow GMRT as a permitted Array and then 
 > pick up the co-ordinates of the reference point from the AN table.
 > 
 > P.S. I got the following error when I tried to use the APARM(7) = 1.
 > 
 >   GETTIM: APARM(7) SUGGESTS DATA IS FROM VLA/ATCA/LBA/ATLBA 
 >   CVEL1: GETTIM: BUT ANTENNA TABLE HAS ARRAY NAME = GMRT
 >   CVEL 1: DSHIFT: ERROR  1 DETERMINING YEAR AND DAY NUMBER
 >   CVEL 1: CVSHFT: ERROR  1 RETURNED FROM DSHIFT
 >   CVEL 1: Purports to die of UNNATURAL causes
 > 

     I have putbck a fix to $APLNOT/GETTIM.FOR and rebuild CVEL.  The
MNJ should fix them now whenever you have it run.

Eric Greisen