<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Digital signals carry better than analog because they are at a higher frequency band. </div></BLOCKQUOTE>
DTV uses the same channels as currently defined.
During the transition period, broadcasters have a free license for a second channel so they can put up a DTV transmitter. In 2009, some of these stations will move their DTV channel to their existing analog channel while others will just switch over to the DTV channel as their primary broadcast frequency.
While some of the 'experimental' DTV channels are UHF, a lot are in the VHF low and high bands, too.
I am starting to see ads about the government subsidy for DTV to analog TV tuner boxes. That program will start next month.
As of Feb 2007, you couldn't sell anything called a TV unless it had the ATSC tuner needed for DTV. So the old style TV's with NTSC tuners had to be called something other than a TV.
See Finding TV and radio stations
(Zephyrs blog) for some links about finding receivable TV stations. TV in the RV will never be the same
and TV in the RV and the next big change
might provide some useful background.