Don't fall for this digital TV antenna myth

No, you can't get an antenna with a 6,000 mile range. Mikesleigh/Getty Images You'll need a digital antenna if you want to watch free local TV channels at home. Buying one is a bit of a minefield, however. One might claim to give you 150 miles of range, another 600, another 5,000, all from a plastic base inside your home. If those claims instantly make you skeptical, your instincts are right. The reality is that TV signals have physical limits, and while the marketers might try, no antenna can overcome the curvature of the Earth. Before you buy an antenna with the biggest mileage rating, it's worth taking a look at what really determines how far you'll be able to get a usable signal. Digital TV antennas can't reach 6,000 miles, or even 150 miles Hsyn20/Shutterstock If you head to Amazon an