Details 2-El.-2m 3-El.-2m 4-El.-2m 5-El.-2m 6-El.-2m
7-El.-2m 7-El.-70cm 9-El.-70cm 10-El.-70cm 12-El.-70cm 14-El.-70cm

The 5-Element-2m-50Ohm-Yagi, Boom 150cm

Boom 20mm PVC tubing

 Gain 8,4dBd, F/B >23dB, very good pattern

3dB-angles:   51,0° hor, 64,2° ver

For vertical stacking distance 2,30m

 

Left: Antenna built by Olli, DH8BQA

For a further reducing of the weight the directors can be made of 3mm rods, 4mm is possible, of cause. If you want to built the Yagi with 6mm-elements and conventional boom, I have listed the dimensions in the table, too.

  Position Lengths 3/4mm Lengths 6mm
Reflector 0mm 1034mm (4mm) 1032mm
Radiator 280mm 991mm (4mm) 976mm
Director 1 430mm 948mm (4mm), 946mm (3mm) 940mm
Director 2 950mm 940mm (4mm), 946mm (3mm) 932mm
Director 3 1480mm 924mm (4mm), 928mm (3mm) 914mm