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 new 10-El.-70cm  28-Ohm new

The 6-Element-2m-50Ohm-Yagi, Boom 200cm (Type 1)

Another Yagi with 6 Elements and 2,50m-Boom see down!

Contest-Station DK7DR Sept. 2008

JN47ET, 903m ASL

 

4x6-El.-DK7ZB-Leightweight, PVC-/Wood-Boom

Antennas built by DF1GL , Radiators by DF9UX

OK2AIA, Petr 

at the

2nd subregional

 Contest 2007

 

with the 6-Ele.-Yagi

4x6-El.-Lightweight,

built for portable use by

ON5GS and ON6MP

The Yagis in the BBC-Meteor- Scatter Contest 2008 during the geminids in the rare square

IO55XC

Station

EI/ON5GS/p

Click on the Thumbnails! More pictures of this operation: ON5GS in IO55XC

Gain 9,2dBd, F/B 18dB,   Broadband design

3dB-angles:   47,4° hor,  57,2° ver

For vertical stacking distance 2,50m

  Position Lengths 3,2mm Lengths 4mm Lengths 5mm Lengths 6mm
Reflector 0mm 1028mm  1030mm 1030mm 1030mm
Radiator 260mm 1001mm (4mm) 1003mm 995mm 993mm
Director 1 395mm  956mm  952mm 944mm 940mm
Director 2 845mm  940mm  934mm 931mm 927mm
Director 3 1470mm  940mm  934mm 931mm 927mm
Director 4 1980mm 914mm  908mm 904mm 900mm

This Yagi is working excellent on the 70cm-Band! See pattern and currents on 432MHz.

SWR on 432 MHz is 1.2, the azimuth pattern has three forward lobes and a good F/B.

The 6-Element-2m-Yagi, Boom 250cm (Type 2)

Gain 10,2dBd, F/B 18dB

High gain,  Narrowband design

3dB:  43,2° hor    50,2° ver

For vertical stacking distance 2,80m

 

 

Here with an aluminium boom 16x1mm and 3,2mm-elements

 2 Yagis stacked 13dBd

The Yagi with a 25mm-PVC-Boom and 4mm-elements

  Position Lengths 2,4 mm Lengths 3,0 mm Lengths 3,2 mm Lengths 4 mm Lengths 6 mm
Reflector 0 mm 1013 mm 1011 mm  1011 mm 1010 mm 1002 mm
Radiator (4 mm) 380 mm 963 mm 962 mm  963 mm 962 mm 959 mm (6 mm)
Director 1 530 mm 952 mm  948 mm  946 mm 941 mm 934 mm
Director 2 1040 mm 944 mm  940 mm  939 mm 934 mm 923 mm
Director 3 1800 mm 931 mm  926 mm  924 mm 919 mm 906 mm
Director 4 2480 mm 930 mm 926 mm  924 mm 919 mm 906 mm