Broadband Hybrid Monopole Antenna.
DEPARTMENT OF THE ARMY WASHINGTON D C
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A new type of radiating structure with rugged high frequency design comprising essentially a single hybrid monopole which utilizes capacitive coupling from a open-ended transmission line to accomplish its broadband characteristics. The monopole is a metal conductor concentric with the transmission line and is separated from a ground plane by an adjustable gap that may be effectively used for fine tuning the antenna. By utilizing helical springs as the conductors this hybrid monopole antenna has self-erecting or pop-up design capability. Author
- Electrical and Electronic Equipment