Construction Details

2-El.-10m-50Ohm

2-El.-12m-12Ohm

2-El-12m-28Ohm

Dualband 12/17m

2-El.-15m-50Ohm

2-El.-17m-28Ohm

2-El.-20m-28Ohm

2-El.-30m-28Ohm

Dualband 10/15m

2-Element-20m-Yagi with 28Ohm (Rad-Ref)

SWR for the complete 20m-Band

MHz 14,0 14,1 14,2 14,3
Gain 4,3dBd 4,0dBd 3,9dBd 3,7dBd
F/B 10dB

The antenna built by Didier, F4EKQ

Link: See more details  http://f4ekq.perso.sfr.fr/Antenne/14Mhz.htm

Dimensions of the 20m-Yagi, 28Ohm, Radiator-Reflector

Elements ( 1 half)

35x2mm 30x2mm

25x2mm

20x2mm

16x1,5mm

Position

Reflector

0,5m 1,00m 1,00m

1,00m

2,04m

0m

Radiator

0,5m 1,00m 1,00m

1,00m

1,63m

2,3m

Free space patterns:

Azimuth  14,15 MHz Elevation  14,15MHz