TV antennas may seem like relics from the last century, but plenty of viewers are using an HD antenna to eliminate or reduce their monthly cable/satellite TV bill, and enjoy a better picture from their HDTVs.
Over-the-air HDTV signals look better than cable or satellite
The switch to digital TV broadcasting has eliminated the most annoying picture distortions — snow and ghosting — that made analog off-air reception so hit-or-miss. With digital TV signals (both standard-definition and high-definition), you'll either see a crisp, ghost-free picture or no picture at all. Because local and syndicated programming may not be in high-definition, it's typical for local stations to broadcast their digital signals in standard-definition during the day, then switch to full widescreen HDTV during primetime.
Even if you've never used an off-air antenna before, there are several good reasons to consider adding one to your other TV signal sources:
- Local digital TV broadcasts are everywhere: Although the widest selection of digital TV broadcasts are found in big cities, over 99% of U.S. TV households have access to at least one local digital station; 89% can get five or more stations. You can learn which stations in your area are providing digital broadcasts by visiting the TV Fool website listed below.
- Over-the-air digital reception provides the best picture quality: Cable and satellite providers offer tons of channels, but to do this they use data compression or other techniques that compromise picture quality, resulting in a "soft" image, distracting video artifacts (distortion), or both. Off-air antenna reception is the best way to enjoy HDTV programs at the full resolution the TV networks intended.
- Over-the-air signals are free: Aside from the costs to purchase and install an HD antenna, receiving over-the-air HDTV is free.
- Access to all your local channels: Cable and satellite TV providers may not carry all the local channels in your area, or may not offer them in high definition. Also, contract disagreements between local cable operators and local broadcasters can mean that major networks may not be available via cable TV in your area.
- Access to out-of-town channels: With the right equipment and reception conditions, some viewers may even be able to receive out-of-town channels, some of which may carry sports programs that are locally blacked out.
If you bought your HDTV anytime during the past 8 years or so, it should have a built-in tuner for receiving digital over-the-air broadcasts. If you have an older "HDTV-ready" TV that only receives analog signals, you'll need to connect it to a separate HDTV tuner.
True HD tuners are hard to find these days; you may run across inexpensive digital TV converter boxes, but those can only provide standard-definition video, not crystal-clear high def. And if you're currently subscribed to an HDTV package from satellite providers DIRECTV® or DISH®, your HD satellite receiver probably includes an over-the-air HD tuner.
Finding over-the-air TV signals
TV signal transmission is considered to be "line of sight." Getting reliable DTV reception beyond the curvature of the earth (approximately 70 miles) is difficult. And if mountains or tall buildings lie between the transmitter tower(s) and your home, they can cause reception problems. So, the first step is to locate the transmitters for your local stations.
The quick, easy way to get information that's specific to your address is to visit the TV Fool antenna selector website. Once you enter your address, you'll see a list of local stations. Each station has a color-coded indicator showing which type of antenna is recommended for best reception.
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