The shorter the coaxial cable, the better. The further you run the cable, the more signal loss you'll experience. At 50 feet, you'll see significant signal loss, and by 100 feet, you'll experience at least a 30% drop in signal strength.

There aren’t any guarantees that the TV antenna you purchase and install will provide perfect reception. Much depends on your distance from broadcasting towers, any nearby obstructions, and typical weather. However, doing some research minimizes the risk of disappointment.

You can speak to neighbors to understand their setup. Various online tools allow you to check how far you are from TV transmitters in your area. The Federal Communications Commission, for example, has a tool enabling you to check local Digital TV channel reception.

Selecting the right type of antenna for your situation and having it properly positioned and installed will also increase the chances of better reception.

Outdoor TV antennas are often worth it, as the signals broadcast in your area are always stronger outside. If you have an indoor antenna that isn’t performing well, call a TV antenna installation company to come out and use a signal checker to see if a stronger signal is available on your roof, as it often will be. Outdoor antennas require longer cables, which can decrease the quality of the picture, but a professional should be able to find a position where cable length is minimized, and the available signal is strongest for ideal performance.

DIY is possible for minor adjustments, but professionals ensure proper alignment and signal strength.