4 elements 70cm yagi @409Mhz
Antenna specifications
Antenna Bandwidth: 406-412Mhz
Antenna gain @ center frequency: 7.16dBi
Beam width: 66° Horizontal / 108° Vertical
Front/Back ratio: 14.4dB
4 Elements Yagi 70cm UHF Antenna Materials List
Download the PDF document here
Build the gamma match for this yagi here. Although the gamma match is originally for 3 elements yagi antenna UHF this will also work with this 4 elements UHF yagi antenna.
Antenna combined pattern
Horizontal pattern
Vertical Pattern
No skewing detected on the antenna pattern as generated by 4NEC2
Minimal skewing on the 412Mhz antenna pattern as generated by 4NEC2
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