12 Element UHF Yagi Antenna tuned for 457MHz

Here’s a 12 Element UHF Yagi antenna that I designed for my friend, 9w2azv. He’s going to use that antenna for his client, that needs to hit a repeater 10 kilometers away from their location.

Here’s are the measurement for the antenna :
10 element 457MHz

Polar Plot for the Antenna (E-Plane)
457MHz Polar Plot Yagi Antenna

Polar Plot for the Antenna (H-Plane) at 2 Wavelength height

Here is the YagiMAX file : 10 Element Yagi 457MHz

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