[daip] Problems with FITLD

Amy Mioduszewski amiodusz at nrao.edu
Tue Jun 17 17:19:37 EDT 2008


Yes, there is a bug in APCAL.  I will fix it in the next couple days.  The 
31Dec07 version of AIPS will work if you have access to that.

Amy

Eric Greisen wrote:
> Francesca D'Arcangelo wrote:
>> I have been almost exclusively using the "raw" files, just trying the
>> "cal" one once for good measure.  (As a sidenote, I tried
>> concatenating the raw files in FITLD, but got persistent "data out of
>> order" errors from INDXR even after I used UVSRT...which is why I
>> concatenate them in DBCON.)
>>
>> The same exact raw files worked fine before my AIPS reinstall, which
>> is what makes me think it's something wrong with my AIPS, not the
>> files.
>>
>> Thanks,
>> Frannie
>>
>> On Tue, Jun 17, 2008 at 12:31 PM, Eric Greisen <egreisen at nrao.edu> wrote:
>>> Francesca D'Arcangelo wrote:
>>>> Hello.  I am having issues with FITLD producing corrupted weather
>>>> tables when I load in my VLBA data.  I know that this was a problem
>>>> before, solved with the patch on 01/18/08.  This worked on my previous
>>>> install of 31DEC08.  However, I recently had to wipe my OS and, as a
>>>> result, reinstall AIPS.  Ever since, I have been receiving these
>>>> weather table errors from APCAL:
>>>>
>>>> APCAL1: Task APCAL  (release of 31DEC08) begins
>>>> APCAL1: REAWX: ERROR  6 SOMETHING WRONG WITH WX TABLE
>>>> APCAL1: REAWX: WXINI FINDS     0 ROWS, WX TABLE CORRUPT?
>>>> APCAL1: TXTWX: ERR  6 OPENING WX TABLE   1
>>>> APCAL1: Purports to die of UNNATURAL causes
>>>> APCAL1: agn          31DEC08 TST: Cpu=       0.0  Real=       0
>>>>
>>>> Now, I reinstalled AIPS another time for good measure, and I ran the
>>>> MNJ several times over a number of days, with seemingly no errors.
>>>> After more WX errors, I attempted to do the FITLD patch by hand from
>>>> the Patches section of the AIPS site, however I received an error when
>>>> I used the COMLNK line :
>>>>
>>>> AIPS environment not defined; do CDTST?
>>>>
>>>> I'm not sure how to proceed on that.
>>>> I have tried to run the program sequence on both the calibrated VLBA
>>>> files *and* on the individual raw files from the archive (combined
>>>> with DBCON), so that shouldn't be the problem.  I tried reading out
>>>> (TBOUT) and in (TBIN) the WX table.  I even went so far as to paste in
>>>> a version of FITLD.EXE from a colleague who has had no weather table
>>>> problems.  And yet I still get the WX table errors.  Is there anything
>>>> else I can do?  Is there a way of editing the table to suit the
>>>> "infile" line in APCAL, perhaps?
>>>>
>>> The data in the archive - when in the form that has had some aips processing
>>> - is corrupted.  I had suggested that these data be corrected but so far
>>> that has not been done.  You will need to download the raw data - not the
>>> files that have had FITLD and other tasks already run on them.  They are
>>> called "raw" I believe while the others are called "cal".  You do not need
>>> to concatenate the raw files before FITLD - it will read as many
>>> (sequentially named) files as you tell it to read.
>>>
>>> Eric Greisen
>>>
> 
> Okay - I gave you the first standard answer.  I think that Amy has a bug 
> in the code in APCAL that tests for the error that made bad WX tables in 
> the archive for a while.  She is running the Summer Schoold for another 
> hour or two but then may be able to let you know about this.
> 
> Can you tell me a project name that has the FITLD concatenation issue?
> It should not happen needless to say.
> 
> Eric Greisen
> 
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