[alma-config] 14 km configuration

[Mark Holdaway]

> 
> >Scientifically, there may be a case for 14 km.  However, as the jump
> >to 14 km was made for technical reasons rather than scientific ones,
> >I would seek to fit something that was a more respectable jump from
> >the 3km configuration (such as 10 km).
> 
> i agree that the jump from 3km might be a bit much.  part of the 
> problem here is that we never changed the default array diameters
> after the change to more antennas.  maybe we should be looking at:
> 150m, 450m, 1.3km, 4km, 14km?  which keeps the 3:1 scale change
> that we had originally, and accomodates the fact that we have a
> larger E config (most compact).  in this case, there isn't such
> a mismatch between the most spread out 2 configs.  we have bandied 
> this about a bit amongst ourselves, but there was never any 
> "official" suggestion to do that.
> 

What does it take to get this idea considered?  I guess it costs
more in fiber and all, but it seems happy to me.
Why don't we pass this by Bob Brown, and plan on bringing it up 
at the PDR?

	-Mark