That's essentially what's going on with high TV channels right now. They're getting repacked into lower frequency bands so the high frequency channels can be us

That's essentially what's going on with high TV channels right now. They're getting repacked into lower frequency bands so the high frequency channels can be used for cell phone service. You may have seen your local channel telling you to recant, that's why. The FM/AM radio spectrum is too low frequency to be practical for cell phone use. The antennas would be outrageous.