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2-Element Quad

Two-element quad beam antenna

Source: Rothammel, Vol. 1, Ch. 15.3, p. 258
Input Parameters
MHz
mm
Results
Driven Element Perimeter
21.625m
Driven Element Side
5.406m
Reflector Perimeter
22.261m
Reflector Side
5.565m
Element Spacing
3.604m
Boom Length
3.604m
Gain
5.8dBd
Front-to-Back
18dB
Feed Impedance
100Ω
Diagram
R5.57 mDE5.41 m3.60 m
Radiation Pattern
-3 dB-10 dB-20 dB0 dB0°90°180°270°Max: 9.1 dBiF/B: 18.0 dB