4. Communications: radio wave antennas
  5. Antennas
  6. With spaced or external radio wave refractor

Andrew L. Roberts

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Dual frequency coaxial feed with suppressed sidelobes and...

Communications: radio wave antennas – Antennas – Wave guide type
Reexamination Certificate

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Wideband matching surface for dielectric lens and/or radomes...

Communications: radio wave antennas – Antennas – With spaced or external radio wave refractor
Reexamination Certificate

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