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Re: [bbutler@cv3.cv.nrao.edu: Re: [alma-sw-ssr] Pipeline Requirements new version]
Bryan Butler wrote:
>
> al and i had forgotten to include the appropriate lists on these
> replies...
>
> -bryan
>
> On 2001.08.30 10:22 Bryan Butler wrote:
>
> al is right here (i was thinking of the situation for only 1 antenna).
> but sub-arraying is essentially the 'paired antennas' (or 'clustered
> antennas') calibration concept, which is terribly inefficient for calibration.
>
> -bryan
>
> > The only way one can effect simultaneous dual-frequency operation is through
> > the use of sub-arrays. One is using different antennas in that case, but
> > depending on the configuration one may be observing a similar patch of
> > atmosphere.
> >
> > Al
I would think the only wise use of that mode (for interferometry) is to
observe time-varying phenomena (e.g. next comet crash, solar flares,
...) at several frequencies simultaneously.
Robert
--
Robert LUCAS, Institut de Radioastronomie Millimetrique
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