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US4207576A
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Means for reducing re-radiation from tall guyed towers located in a strong field of a directional AM radio station
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Antenna for cross polarized waves
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US4207575A
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Means for reducing re-radiation from tall guyed towers located in a strong field of a directional AM radio station
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Stacked arrays for broadcasting elliptically polarized waves
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Monitor for two frequency localizer guidance system
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CA1097420A
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Monitor for two frequency localizer guidance system
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CA1061453A
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Localizer antenna array for use with a localizer transmitter operating at a single carrier frequency
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US4107688A
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Monitor for localizer antenna arrays
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Localizer antenna array for use with localizer transmitters operating at one carrier frequency
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Stacked arrays for broadcasting elliptically polarized waves
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DE2509016A1
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Landing guide control system for aircraft - has antenna array with distributors to couplings with course and displacement signal transmitters
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CA1035853A
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Two frequency localizer system
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Collinear dipole array with reflector
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US3972044A
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Antenna system for Doppler VOR ground stations
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Two frequency localizer guidance system
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Asymmetrically fed antenna arrays
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Metallic structure with coupled network to reduce back scattering
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Isolating antenna elements
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Dual polarized antenna system with controlled field pattern
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US3659468A
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Slotted waveguide carriage movement apparatus
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