Rumble in the Airwaves

fizban writes: "We've talked a lot on Slashdot about active uses of the radio spectrum for things like wireless networking and global communications (Iridium). But what about the passive users who are more and more often finding themselves trampled upon by the corporations and military who grab up more and more of the unused spectrums for their own uses? Check out this New York Times article for a little insight into the challenges being faced by today's and tomorrow's radio astronomers."