JACKSONVILLE, Fla. – If you’re still watching Channel 4, 17 and other local television the old-fashioned way -- using an antenna -- you’re not alone. In the 15-county Jacksonville TV market, nearly 24% of viewers watch local programming using an antenna -- and that percentage is growing. Select the channel scan option, channel tuning option or auto search, depending on the option offered by your TV manufacturer. AdThen you’ll be all set to watch your favorite local channels and you might discover a few new ones as well. If you rescan and your TV is still missing Channel 4, Channel 17 or both, try adjusting your antenna and try one more time.