Details 2-El.-2m 3-El.-2m 4-El.-2m 5-El.-2m 6-El.-2m
7-El.-2m 7-El.-70cm 9-El.-70cm 10-El.-70cm 12-El.-70cm 14-El.-70cm
Stacked 5-El-2m 25-Ohm new 7-El.-2m  25+ 28-Ohm  new 8-El.-2m  28-Ohm   10-El.-70cm  28-Ohm

The 7-Element-70cm-Yagi, Boom 100 cm

Gain 10,35 dBd, F/B >25 dB, 50 Ohm

Broadband-Design

3-dB-angles:  hor 41,2, ver 46,8

Vertical stacking distance 1,0 m

Yagi build by Holger, DL5UP with 2-mm-Elements

New, updated design for more bandwidth (21-Mar-2010)

  Position Length (3,2mm) Length (4 mm) Length (6 mm)
Reflector 0 mm 341 mm 340 mm 336 mm
Radiator 115 mm 336 mm (4 mm) 337 mm 335 mm
Director 1 165 mm 312 mm 310 mm 305 mm
Director 2 330 mm 302 mm 299 mm 293 mm
Director 3 545 mm 299 mm 296 mm 290 mm
Director 4 785 mm 302 mm 299 mm 293 mm
Director 5 960 mm 295 mm 292 mm 285 mm