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Multi-octave, low profile, full instantaneous azimuthal field of view direction finding antenna

  • US 5,506,592 A
  • Filed: 05/24/1995
  • Issued: 04/09/1996
  • Est. Priority Date: 05/29/1992
  • Status: Expired due to Term
First Claim
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1. An antenna which comprises:

  • (a) a plurality of spaced apart antenna segments disposed about an axis forming an antenna structure having an apex, said axis passing through said apex;

    (b) a solid non-metallic insulating spacer disposed between each of said antenna segments, said insulator having a thickness no greater than 0.2 wavelength at the highest operating frequency of said antenna;

    (c) a plurality of rf transmission lines, each of said transmission lines coupled to a different one of said antenna segments for transmitting signals indicative of a predetermined parameter at the associated antenna segment; and

    (d) a ground plane normal to said axis.

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