How to Tell If Your TV Antenna Is the Right One

A Weak Signal Isn't Always the TV's Fault

If some channels look bad, others don't show up at all, or the picture "comes and goes" with the wind, the most common culprit isn't the TV but the antenna: either it's poorly aligned, it's old, or — more often than you'd think — it's simply the wrong model for your area.

Why "Bigger" Doesn't Mean "Better"

Many people think a big, multi-directional antenna always picks up more signal. In reality, it depends on how close you are to the transmitter broadcasting the signal in your area. Where the signal already arrives strong, a huge antenna can actually make reception worse, on top of needlessly weighing down the roof (up to a kilo or more) and being more exposed to wind.

How to Tell Which One Is Right

The correct approach isn't to "eyeball it" or install whatever's typically used in the area, but to measure the actual signal point by point with a professional instrument, channel by channel. Only that way can you truly know whether you need a big antenna, a small one, or simply need to reorient the one you already have.

Some Signs Your Antenna May Not Be the Right One

• Some channels are completely missing, while others come in perfectly.
• The signal gets worse with wind or rain.
• The antenna is very old or was installed "by default" without any measurement.
• You live near a transmitter but still have a huge antenna on the roof.

If you recognize any of these signs, before replacing everything it's worth having the real signal in your area analyzed: sometimes a much smaller fix is all it takes.