What part of the constitution grants the power to congress to require all tv broadcasts to switch to digital?

Question

The constitution grants specific powers to congress, and anything not granted to congress is left up to the individual states. Meaning unless the constitution says the congress can make the law, they can't. So why are people allowing the government to assert this law. Furthermore, why don't people stand up to the governments assertions of powers they don't have granted to them?

Answer 1

The constitution explicitly grants the Congress the power to regulate interstate and foreign commerce. Since radio and TV broadcasts can cross state lines, guess what?

Answer 2

Without looking at a copy of the Constitution, I believe the part that allows them to regulate interstate commerce is the clause that has been used to establish the FCC which is the power that is requiring the switch.