I don't know if this will work for everyone, but we have Comcast Internet, which we pay for. In our area, Comcast also carries unscrambled network and oldies channels. By using our TV tuner, we can scan and lock in those channels in HD without an antenna. We get about 40 channels in all. NBC, ABC, CBS, FOX, 5 different PBS channels, CW, ion, MeTV, CSPAN, LiveWell and a bunch of Spanish and religious channels.