Construction Details

2-El.-12,5-Ohm (0,40 m)   

2-El.-28-Ohm (0,60 m)

3-El.-12,5-Ohm (1,90+2,20 m) new

3-El.-28-Ohm (1,90 m)

3-El.-28-Ohm (2,50 m)

4-El-12,5-Ohm (2,90 m)

4-El-12,5-Ohm (3,60 + 4,00 mm)

5-El.-28-Ohm (4,50 m)

5-El-12,5-Ohm (6,00 m)

5-El-18-Ohm (6,00 m)

6-El.-28-Ohm (7,20 m)

7-El.-28+50Ohm (9,20+7,75 m) 8-El.-28-Ohm (12,30 m) 9-El.-28-Ohm (14,00 m)
4-El-28+50-Ohm (2,20 m) 5-El-50-Ohm (4,30 m) new 6-El-50-Ohm (6m+7,20 m) new

2-Element-28-Ohm- Yagi with 0,60m-Boom

Short data: Gain 4.6dBd, F/R 13dB, bandwidth 600KHz (49.8.0-50.4 MHz) at SWR < 1.5

Elements 12mm or 10mm

(no tapering!)

The 2-Element-Yagi built by

Costy, IC8TEM

from Capri-Island

 

Link to more details of building his antenna:

IC8TEM

The 2-Element-Yagi built by

Ricardo, PU2OKE

 in GG66VL

Element positions and lengths (no tapering)

Element

Position

Length (12mm)

Length (10mm)

Rad

0mm

2934mm

2936mm

Dir

600mm

2724mm

2734mm

Match with 2xLambda/4 75-Ohm-coax in parallel to a grounded socket, feedpoint impedance 50Ohm.