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US3500419A
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Dual frequency,dual polarized cassegrain antenna
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Radomes
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Loop antenna with negative resistance element at terminating gap
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Directional radio and tracking systems
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Wing type dipole with end mounted stubs
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Multi-mode broad-band selective coupler
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Adjustable support to manipulate feed waveguide from rear of dish
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Parabolic antenna with splash plate and v-shaped dipole feed for pattern uniformity
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Expansible connector for rigid coaxial transmission line
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Multi-band resonant v antenna
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Dipole antenna provided with gas-tight housing
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Collapsible and self-locking dipole antenna
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Sharply directional wide band antenna
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High-gain directionalized antenna
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Prefabricated observation tower and the like
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Radio receiving system
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CA527894A
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Sharply directional wide band antenna
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CA560461A
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Wide band high gain antennas
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CA821101A
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Radomes
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CA848573A
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Dual frequency, dual polarized antenna
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