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Showing 1 to 1 of 1 for “"quadrifilar helix"”.
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Multifilar Hemispherical Helical Antennas
… in the axial mode regime. A modified form of the helix, the spherical helix, has been shown to yield similar polarization and gain characteristics over a narrow bandwidth but a much larger beamwidth. This investigation examines multifilar hemispherical helices and produces two specific designs …