[daip] UTC for VLBA data?

Eric Greisen egreisen at nrao.edu
Thu Aug 5 10:11:17 EDT 2010


Vivek Dhawan wrote:
> Hi Bill and co.
> 
> I believe CLCOR does its correction based on the difference between
> the "correct EOP" in the USNO file which it fetches from the web (or
> the user fetches from USNO) and the actual numbers used by the correl-
> ator and recorded in the AIPS CT table. So if your data have a CT
> table they should be fixable.
> 
> And (though I cannot actually remember) the CT table probably was
> written as far back as 1995, but you can check that easily if you
> have the data loaded.
> 
> yes VLBA times are UTC but I cant' say offhand if that is start, mid,
> or end of integration.

They should be middle of the integration.

Eric Greisen




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