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25 elements yagi for 70 cm band

Specifications Measures
(Yagi Optimizer file)
Frequency 432 MHz  25JXX70
432.000 432.400 432.800 MHz
25 elements, millimeters
             5.0000 
   0.0000  167.5000 
 147.0000  164.2500 
 202.0000  157.5000 
 316.0000  152.5000 
 462.0000  151.0000 
 633.0000  147.0000 
 822.0000  147.0000 
1026.0000  145.0000 
1243.0000  143.5000 
1470.0000  143.0000 
1708.0000  142.0000 
1955.0000  140.5000 
2209.0000  139.5000 
2471.0000  138.5000 
2738.0000  137.0000 
3015.0000  137.0000 
3287.0000  136.0000 
3561.0000  135.0000 
3837.0000  133.5000 
4112.0000  131.0000 
4387.0000  130.5000 
4661.0000  131.5000 
4937.0000  133.0000 
5213.0000  132.0000 
5488.0000  127.5000 
         
Elements 25
Gain 16,46 dBd / 18,6 dBi
F/B Ratio 30 dB
-3 db angle on E - H planes 23° - 23.8°
Spacing on E - H planes 1.72 - 1.66 m
S.W.R. 1:1.2
Boom lenght 5.5 m - 7.94 lambda
Boom diameter 25 - 30 - 25
Elements diameter 5
Dipole T-match
Connector "N" precision
Balun RG 142
Max power 1000 W
Pole diameter max 75 mm Ø
Weight 4 Kg
Wind area 0,18 m²

Vertical plane radiation plots


Horizontal plane radiation plots


Gain, SWR, Front/Back ratio, Impedance