[Difx-users] DIFX satellite correlation {External}

[Joe Skeens]

Hi Chris,

I do have some examples of correlating with TLEs, and I would be happy to
talk it over with you. I think that Walter Brisken coded up the TLE
handling for DiFX, so he's the primary source. You'll have to compile DiFX
with a link to the JPL SPICE library for it to work, but once that's set
up, the changes to VEX/V2D are fairly simple. Leonid and I have been
working on producing IM files of higher fidelity that use ephemerides and
an analytical near field delay model in his package VTD, but it sounds like
that might not be necessary for your case.

Best,
Joe

On Thu, Apr 11, 2024 at 7:40 PM Leonid Petrov <Leonid.Petrov at lpetrov.net>
wrote:

> Chris,
>
>    Yes, Joe Skeens works on it right now. Please contact with him.
>
> Leonid
>
> > On 2024-04-11 20:13, Phillips, Chris (S&A, Marsfield) via Difx-users
> > wrote:
> > Hi all
> >
> > We are currently testing/commissioning an entirely new backend for the
> > ATCA.
> >
> > To test phase stability , we have observed a Geostationary satellite
> > at 12.2 GHz. This is working nicely and can get away without fringe
> > rotation, but the satellite is not perfectly stationary on the sky, so
> > there is a slow phase drift (degree per second or so).
> >
> > It would be nice to correlate using the DIFX near field support.
> >
> > Is anyone able to help me setup based on satellite TLE or similar?
> >
> > Thanks
> > Chris
> > _______________________________________________
> > Difx-users mailing list
> > Difx-users at listmgr.nrao.edu
> > https://listmgr.nrao.edu/mailman/listinfo/difx-users
>
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