Pretty soon Sprint will be testing Digital TV on the Samsung Moment in Washington DC and Baltimore. Samsung has taken their Moment Android Phone and equipped it with the chips, antenna and specs necessary to receive Digital Television anywhere in the nation. Because its in Beta the channel selection was extremely limited (2 channels) but take a look at the actual DTV application:
I would have guided you through it a bit more but felt compelled to keep quiet as competing with the 2 ladies next to me seemed impossible. At least they were cute.