Construction Details

4-El.-28-Ohm 0,35m

5-El.-28-Ohm 0,65m

6-El-28-Ohm 0,85m

7-El-28-Ohm 1,0m

9-El.-28-Ohm 1,5m

10-El.-28-Ohm 2,0m

 

6-Element-28Ohm-Yagi for 70cm

Broadband version for 430-440MHz

 

Gain 432MHz = 10,1 dBd

3dB-angle hor = 44,2

3dB-angle ver = 51,6

Feedpoint 28Ohm 

Vertical stacking 0,90m

 

Elementpositions

  Refl Rad (10mm) Dir 1 Dir 2 Dir 3 Dir 4
Position 0mm 120mm 225mm 420mm 645mm 850mm

Elementlengths for Reflector an Directors

Length Refl Rad (10mm) Dir 1 Dir 2 Dir 3 Dir 4
 4mm 336mm 311mm 308mm 297mm 297mm 288mm
 6mm 334mm 313mm 303mm 293mm 291mm 282mm
8mm 332mm 312mm 298mm 287mm 285mm 278mm
10mm 330mm 313mm 294mm 283mm 282mm 274mm