[daip] aips polarization cal
Eric Greisen
egreisen at nrao.edu
Mon Nov 7 15:29:20 EST 2011
bob at physics.ucdavis.edu wrote:
>> bob at physics.ucdavis.edu wrote:
>>> hello again. i am running pcal with multiple calsources.
>>> not surprisingly, the solutions on some days are better than others.
>>> if i want to move a solution from one day to another,
>>> does copying the an file suffice?
>>>
>>> do you advise against this? i have been told that the solutions
>>> are very stable.
>>>
>>> bob becker
>> If you are doing continuum move the AN tables
>> If you are doing line move the PD tables
>>
>> Eric
>>
> i am still not happy with my polarization calibration based on
> using j0318+1628, 0521+166 and 0137+331 as inputs to pcal. my original
> plan was to use 3c84 to get the D terms. If you recall, i was not
> able to get pcal to work using just 3c84 but i would like to try
> again. do remember that discussion and do you have any new suggestions
> to make pcal work with just 3c84 as an input?
>
> thanks as always
>
> bob becker
I made a change to PCAL that worked well with 3C84 as a single several
minute scan. I broke up the scan with SOLINT and got excellent
solutions. The task (if you run MNJ on 31DEC11) will now automatically
break up a single scan into 3 parts.
It should be better now...
Eric
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