6 elements Yagi-Uda antenna

Antenna description:
6 elements Yagi-Uda design for VHF spectrum;
Boom length 1.164 Wavelength; i.e. 2.42m@144.2MHz;
Front/Rear ratio >= 23dB both E/H plane;
Gain >= 11.5 dBi; i.e. >= 9.4 dBd;
Impedance = 50.0 Ohm +/- j0.0 Ohm Flat;
(need 1:1 balun with 180° phase shifter);
Bandwidth >= 0.5% (i.e. 700KHz@144.2MHz)
SWR <= 1.11 : 1
elements by aluminum tube T6060
Warning: this is not a tested antenna, for
home brewing select your own design then cut-try and measure.

Radiation pattern Yagi-Uda antenna model n° 230FR115G500Z

dimension in wavelength:

half elements, in wavelengths:
   pos./diam.  0.0077    0.0075    0.0055 

Ref  0.0000    0.2424    0.0000    0.0000 
DE   0.1573    0.0000    0.2164    0.0273 
D1   0.2328    0.0000    0.2251    0.0000 
D2   0.4521    0.0000    0.2188    0.0000 
D3   0.7898    0.0000    0.2054    0.0000 
D4   1.1640    0.0000    0.1905    0.0000

dimension in mks (example @ 144.2 MHz):

half elements, in centimeters:
   pos./diam.   1.6000      1.550     1.1500
   
Ref   0.0000   50.4000     0.0000     0.0000  
DE   32.7000    0.0000    45.0000     5.6700  
D1   48.4000    0.0000    46.8000     0.0000  
D2   94.0000    0.0000    45.5000     0.0000  
D3  164.2000    0.0000    42.7000     0.0000  
D4  242.0000    0.0000    39.6000     0.0000

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