I'm a bit confused, UPS didn't end up using spectrum it asked for in 1977 to build radio relay stations in 1988, so in 2024, we should take old TV channels and reallocate them to UPS? NextNav?

Overall people are frustrated at so much radio frequency lying fallow. My pet peeve is that the density of commercial TV and radio stations in the U.S. East coast is a fraction of what it is in the West coast. Seems cities in the East are too spread out for a single station to cover much population but too close together to reuse frequencies between cities. Turn your dial on your TV and radio and it is a lot of dead air.

Didn't that get reallocated to other cellular phones? AMPS band became GSM 850 and later LTE band 5 / 5G band n5.

TV above channel 37 has been reallocated for even more cellular phone use in two more chunks since then.

Cellular phones get a lot of bandwidth, but it's highly utilized.

220-222 MHz is Part 90 now and it is definitely in use.