[daip] CALIB, avoiding EVLA-EVLA baselines

Gustaaf van Moorsel gvanmoor at nrao.edu
Tue Dec 4 10:26:05 EST 2007


Eric Greisen wrote:

> Elias Brinks writes:

>  > But, we also have to calibrate the amplitude/phase, of course. My  
>  > plan was to
>  > run CALIB, excluding the EVLA-EVLA baselines. This should still give me
>  > enough baselines to calculate the Antenna based solutions (via the  
>  > VLA-EVLA
>  > and VLA-VLA route). Now, how do I achieve this in CALIB? I read and  
>  > re-read
>  > the part on ANTENNAS, DOFIT and ANTUSE, but got confused.

>    I recommend the verbs VLA and EVLA and making a UVFLG entry to flag
> out the vla-evla baselines.  Then unflag them in UVFLG after CALIB has
> worked.

Note that this is the method described on the EVLA returns page,
in the 'Aliasing' chapter, 'Impact on observing' section, bullet 1.

Gustaaf




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