A Simple Wide Band OMNI-Directional Antenna
ADMIRALTY SURFACE WEAPONS ESTABLISHMENT PORTSMOUTH (UNITED KINGDOM)
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A compact vertically polarized antenna design based on a parabolic reflector is described. The antenna maintains omni-directional patterns to within plus or minus 1 dB over a 33 band from 7.5 to 10.5 GHz. The measured gain at 8.5 GHz was 8.1 dB. A simple modification that converts the antenna to horizontal polarization is also described.
- Electrical and Electronic Equipment