Low Angle, High Angle Quadrifilar Helix Antenna

Abstract

An antenna is provided that can switch from generating a low radiation angle to a high radiation angle. The antenna comprises a quadrifilar helix antenna in which the helical antenna elements have a first pitch at one end of the antenna and a second pitch at the other end of the antenna. Controlling the phase of a driving signal and isolating one section of the antenna are steps that facilitate switching the antenna from generating a pattern with a low elevation angle or high elevation angle.

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Document Details

Document Type
Technical Report
Publication Date
Apr 20, 2000
Accession Number
ADD019911

Entities

People

  • Michael J. Josypenko

Organizations

  • United States Department of the Navy

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Antenna Radiation Patterns
  • Antennas
  • Artificial Satellites
  • Bandwidth
  • Broadband
  • Circular Polarization
  • Directional Antennas
  • Frequency
  • Helical Antennas
  • High Angles
  • Inventions
  • Low Angles
  • Low Elevation
  • Networks
  • Patents
  • Radiation Patterns
  • Satellite Communications

Fields of Study

  • Engineering

Readers

  • Phased Array Antenna Design.