8 elements Yagi-Uda antenna

Antenna description:
8 elements Yagi-Uda design for VHF spectrum;
Low noise applications.
Boom length 1.8765 Wavelength; i.e. 3.9 m @ 144.2 MHz;
Front/Rear ratio >= 30dB both E/H plane;
Gain >= 13.00 dBi; i.e. >= 10.85 dBd;
Impedance = 28.0 Ohm +/- j0.0 Ohm;
(need 1:177 balun with 180° phase shifter);
Bandwidth >= 0.3% (i.e. 400KHz@144.2MHz)
SWR <= 1.10 : 1
elements by aluminum rod 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° 300FR130G280Z

dimension in wavelength:

full elements, in wavelengths:
   pos./diam.  0.0024

Ref  0.0000    0.4902
DE   0.1395    0.4726
D1   0.2213    0.4676
D2   0.4090    0.4570
D3   0.7217    0.4466
D4   1.1067    0.4320
D5   1.4964    0.4196
D6   1.8765    0.3772

dimension in mks (example @ 144.2 MHz):

full elements, in centimeters:
   pos./diam.   0.5000
   
Ref   0.0000  101.9000
DE   29.0000   98.2400
D1   46.0000   97.2000
D2   85.0000   95.0000
D3  150.0000   92.8000
D4  230.0000   89.8000
D5  311.0000   87.2000
D6  390.0000   78.4000

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