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hfvhfdirectionalbeamlong-boomyagi

7-Element Yagi

Seven-element Yagi-Uda beam antenna

Source: Rothammel, Vol. 1, Ch. 16.4, p. 280
Input Parameters
MHz
Results
Reflector
9.970m
Driven Element
9.527m
Director 1
9.043m
Director 2
8.923m
Director 3
8.802m
Director 4
8.701m
Director 5
8.620m
R → DE
3.180m
DE → D1
2.544m
D1 → D2
3.392m
D2 → D3
4.028m
D3 → D4
4.664m
D4 → D5
4.664m
Boom Length
22.47m
Gain
10.5dBd
Beamwidth
42°
Diagram
R9.97DE9.53D19.04D28.92D38.80D48.70D58.623.182.543.394.034.664.66boom: 22.47 m
Radiation Pattern
-3 dB-10 dB-20 dB0 dB0°90°180°270°Max: 10.4 dBiF/B: 21.9 dB