This tool computes the reception range of TV signals.

Input

- height of the TV tower and
- height of your antenna

**Formula**

**d = 4.12 * √h**

The tool uses the Radio Horizon to find the range of the TV antenna. Here are the heights of some TV towers in the USA.

**Example Calculation**

The KXTV/KOVR tower in Walnut Grove California is **624.5 meters** above ground. If your antenna is 10 feet above ground, the maximum range is **68 miles** or **110 km**.