Mark Gimein writes:
... Look at a chart of how the airwaves are divided, and you'll see
sections devoted to radio, TV, cell phones, police radios, and other
devices, each of which has its own band of frequencies. Policymakers
have talked about allocating those frequencies more efficiently.
Reducing the space given over to TV by moving to digital broadcasts has
been one key aim.
¶ Now Michael Calabrese, a vice-president at the New America
Foundation, a liberal Washington think tank, has advanced a new plan to
use some of the wireless spectrum. It qualifies as one of the most
promising and innovative ideas in communications. The idea: to open up
"white space"—unused frequencies between TV channels—for unlicensed use
to anybody who wants to put up a transmitter. ...
Link: BusinessWeek.
But many broadcasters are pushing back. See Charles Rhodes's, What Is That Noise in the White Channel? (link: TV Technology) and Unlicensed Devices Could Compromise EAS (link: TV Technology).
I've been hoping for a "middle way" (see Interference to DTV reception by unlicensed devices). --Dennis