Land availability is a pre-requisite.  Each
potential site will be evaluated for 3 km array
size and optimum configuration.  Room for
later growth is a plus.
Existing infrastructure or potential for cost-
sharing to build new infrastructure will be
compared for each site.
Weather and environmental conditions will be
measured and quantified.
RFI studies are needed at each site, over the
entire frequency range and in a uniform
manner.  Ionosphere?