Construction Details

2-El.-12,5-Ohm (0,35m)   

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-Ohm (9,20mm) 8-El.-28-Ohm (12,30m) 9-El.-28-Ohm (14,00m)
  new 4-El-28-Ohm (2,20m)  

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

Element

Element-position (mm)

Element-length (mm)

Rad

0

2940

Dir

600

2730

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