A dual-band blade antenna is a type of blade antenna that is mounted on the fuselage of an aircraft and provides in flight direction a narrow width and minimal height, in the form of a blade. With increasing speed of aircraft the drag increases, therefore to minimize the aerodynamic fairing, to reduce low air drag and to reduce corrosion compared to wire- or tube-type aircraft antennas, the antennas were placed in a blade shaped radome.
A dual-band blade antenna is a type of blade antenna that is mounted on the fuselage of an aircraft and provides in flight direction a narrow width and minimal height, in the form of a blade. With increasing speed of aircraft the drag increases, therefore to minimize the aerodynamic fairing, to reduce low air drag and to reduce corrosion compared to wire- or tube-type aircraft antennas, the antennas were placed in a blade shaped radome.
Source: Wikipedia "Dual-band blade antenna" · CC BY-SA 4.0
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