Construction Details

2-El.-12,5-Ohm (0,40m)   

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

3-El.-12,5-Ohm (1,90m)

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

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

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

4-El-12,5-Ohm (3,60m)

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

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

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

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

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

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.