Can you hack or synch an analogue tv

Question

Cybey security

Answer 1

Probably if it was attached to a digital receiver.

Answer 2

What if its free to air

Answer 3

There used to be available low power analogue VHF TV transmitters that you could buy or build to send your own analogue TV signal. One company that used to sell them is Rainbow Kits. The kit is no longer in their catalog, but you could ask them for it.