My lab at UND has been using GR for a couple of years, but we're
finally getting -paid- to do so now - and thus our usage should take
off in the next few months & year. See < http://sdr.nd.edu/ > for my
group's info. We're in the process of updating that WWW site, though
the final product will likely not be publicly available until early
next year. My personal WWW GR space is at < http://www.nd.edu/~mdickens/GNURadio/ >. - MLD