[daip] PCCOR??

[Leonia Kogan]

Matt,

I am glad that it is over.

Leonia

Matt Lister wrote:

> Ok, it's the NX table. I recreated it with INDXR and PCCOR now works. 
> For some
> reason the NX table that is created when you FITLD the archive file 
> isn't correct. Thus the
> problem is easy to fix, but probably needs to be documented somewhere 
> and archive users informed. Thanks very much for all your help with this.
>
> - Matt
>
>
>
>
> Leonia Kogan wrote:
>
>> Matt,
>>
>> I have receved the fits file of  BL137B you sent me and converted it 
>> into AIPS.
>>
>> As I understand you use the source 1226+023 as the calibrator and 
>> timerange is: 1/08:26:45-1/08:28:30.
>> Correct?
>>
>> I ran PCCOR .  You can find the PCCOR inputs(+result) I used and PC 
>> table contents at the files:
>> BL137B.PCCOR.INP+RUN      BL137.PCTABLE
>> The files are under www.aoc.nrao.edu/~lkogan
>>
>> Some comments:
>>
>> 1. There is no entry at the PC table for antennas: 1, 2,4,6,7,9 at 
>> all for the selected time interval (see the file BL137.PCTABLE)
>>
>> 2. PCCOR succesfully finished confirming statement 1
>>
>> 3. The PCCOR output can not be used anyway because 6 of 10 antennas 
>> are not corrected.
>>
>> 4. I do not know why the PC table is so bad
>>
>> 5. Try to reproduce my test result and then we'll move later.
>>
>> LK
>>
>> The PC table contents is not good
>>
>>
>>
>> Matthew L Lister wrote:
>>
>>> I've put the cal. scan uv data from BL137B in the same web area. I 
>>> no longer have the BL137A uncalibrated
>>> data on disk (just the tables), so I can't copy a scan from that 
>>> dataset at the moment.
>>>
>>> - Matt
>>>
>>> Leonia Kogan wrote:
>>>
>>>> Matt,
>>>>
>>>> Having receved the PC table contents I do not see emmidietly a 
>>>> problem.
>>>>
>>>> I'd like to ask you  to UVCOP your data with the calibrator (you 
>>>> used in PCCOR)  time range ;
>>>> to convert it to FITS file by FITTP and send it to me
>>>>
>>>> Please send me both succsefull BL137A and unsucsesful  BL137*B files.
>>>>
>>>> Leonia
>>>> *
>>>> Matt Lister wrote:
>>>>
>>>>> Hi Leonia,
>>>>> I've outputted the PC table with tbout to
>>>>>
>>>>> http://www.physics.purdue.edu/~mlister/AIPS/BL137B_X.PC
>>>>>
>>>>> The imhead for the file is below. By the way, the same problem has
>>>>> occurred for every BL137 8 GHz and 12 GHz band file that I've 
>>>>> downloaded,
>>>>> e.g. BL137D_X, etc. I had no problems with BL137A_X when loading 
>>>>> from tape.
>>>>>
>>>>> - Matt
>>>>>
>>>>> >imh
>>>>> AIPS 1: Image=MULTI     (UV)         Filename=BL137B_X    
>>>>> .UVDATA.   1
>>>>> AIPS 1: Telescope=VLBA               Receiver=VLBA
>>>>> AIPS 1: Observer=BL137               User #=  137
>>>>> AIPS 1: Observ. date=09-MAR-2006     Map date=23-JUN-2006
>>>>> AIPS 1: # visibilities    349304     Sort order  TB
>>>>> AIPS 1: Rand axes: UU-L-SIN  VV-L-SIN  WW-L-SIN  TIME1  BASELINE
>>>>> AIPS 1:            SOURCE  FREQSEL  INTTIM  GATEID  CORR-ID
>>>>> AIPS 1: 
>>>>> ----------------------------------------------------------------
>>>>> AIPS 1: Type    Pixels   Coord value     at Pixel     Coord incr   
>>>>> Rotat
>>>>> AIPS 1: COMPLEX      3   1.0000000E+00       1.00  
>>>>> 1.0000000E+00    0.00
>>>>> AIPS 1: STOKES       4  -1.0000000E+00       1.00 
>>>>> -1.0000000E+00    0.00
>>>>> AIPS 1: FREQ        16   8.1004900E+09       0.56  
>>>>> 5.0000000E+05    0.00
>>>>> AIPS 1: IF           4   1.0000000E+00       1.00  
>>>>> 1.0000000E+00    0.00
>>>>> AIPS 1: RA           1    00 00 00.000       1.00       
>>>>> 3600.000    0.00
>>>>> AIPS 1: DEC          1    00 00 00.000       1.00       
>>>>> 3600.000    0.00
>>>>> AIPS 1: 
>>>>> ----------------------------------------------------------------
>>>>> AIPS 1: Coordinate equinox 2000.00
>>>>> AIPS 1: Maximum version number of extension files of type HI is   1
>>>>> AIPS 1: Maximum version number of extension files of type FQ is   1
>>>>> AIPS 1: Maximum version number of extension files of type AT is   1
>>>>> AIPS 1: Maximum version number of extension files of type CT is   1
>>>>> AIPS 1: Maximum version number of extension files of type OB is   1
>>>>> AIPS 1: Maximum version number of extension files of type AN is   1
>>>>> AIPS 1: Maximum version number of extension files of type CL is   1
>>>>> AIPS 1: Maximum version number of extension files of type CQ is   1
>>>>> AIPS 1: Maximum version number of extension files of type GC is   1
>>>>> AIPS 1: Maximum version number of extension files of type IM is   1
>>>>> AIPS 1: Maximum version number of extension files of type MC is   1
>>>>> AIPS 1: Maximum version number of extension files of type PC is   1
>>>>> AIPS 1: Maximum version number of extension files of type SU is   1
>>>>> AIPS 1: Maximum version number of extension files of type TY is   1
>>>>> AIPS 1: Maximum version number of extension files of type WX is   1
>>>>> AIPS 1: Maximum version number of extension files of type NX is   1
>>>>> AIPS 1: Maximum version number of extension files of type SN is   4
>>>>> AIPS 1: Keyword = 'OLDRFQ  '  value =  1.53494900E+10
>>>>> AIPS 1: Keyword = 'SUBARRAY'  value =            1
>>>>> >               Leonia Kogan wrote:
>>>>>
>>>>>> Matt,
>>>>>>
>>>>>> I have receved your message about the problem with PCCOR  using 
>>>>>> the data of
>>>>>>
>>>>>> BL137B project (8GHz).
>>>>>> On the other hand you wrote:
>>>>>>
>>>>>>> The strange thing is, when I reduced BL137A, which had an 
>>>>>>> identical setup (same frequencies), I loaded from a DAT tape, 
>>>>>>> and encountered no problems.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> For me this means that for some reson the PC table of BL137B 
>>>>>> project (8GHz)
>>>>>> is bat in some sence.
>>>>>>
>>>>>> Can you send me the PC table contents of BL137B project (8GHz) ( 
>>>>>> at least a small portion of it)?
>>>>>>
>>>>>> Leonid Kogan
>>>>>>
>>>>
>>