5-Element Yagi for 40 MHz (8-metres) by YU7EF

YU7EF in Serbia is a well known designer of HF and VHF beams and many radio amateurs worldwide use his designs. In this post, we will look at two 5-element Yagi antenna designs for the new 40 MHz (8-metre) band.

(Updated 30th Dec 2020... Thanks to Pop, YU7EF for the additional information)

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A) Design #1 : EF0805S - 5-element Yagi on a 4.5 metre boom

The design with dimensions is shown below.

The calculated gain in free space is about 7.5dBd and has a front to back ratio in the region of 25dB.

4-Element Yagi for 40 MHz (8-metres) by YU7EF

Thanks to Dragan, 9A6W for sending on this YU7EF design for a 4-element Yagi antenna for the new 40 MHz (8-metre) band.

The design with dimensions is shown below.

The calculated gain in free space is about 6.2dBd and has a front to back ratio in excess of 20dB.