@hamje32 - Everything is going digital, especially television. If you’ve been really late to the game you can get an analog to digital signal converter box. It will convert your TV signals to digital so that you can watch digital television broadcasts. You can get these boxes pretty cheap; I have one and it was easy to install.
Without it, you won’t see anything unless you have satellite or cable television. The vast majority of television stations have made the switch to digital so you’ll have to switch one way or another if you want to keep receiving those signals.