larry wrote:

The money - is coming from the auctioned off bandwidth that
was used by tv stations. All the bandwidth is being sold
for "advanced digital services", mostly pay services. Check
the fcc.gov site, ending auctions are posted there, and who
won and what the licensing is for.

No - that's not the question. The US Govt is keeping all the money from the
spectrum auction. Noone is reimbursing the TV stations for the transition costs
or running two transmitters.