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Method and apparatus for mitigating interference from terrestrial broadcasts sharing the same channel with satellite broadcasts using an antenna with posterior sidelobes

  • US 20040235418A1
  • Filed: 06/21/2004
  • Published: 11/25/2004
  • Est. Priority Date: 12/03/1999
  • Status: Active Grant
First Claim
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1. A terrestrially-based transmission system, comprising:

  • at least one terrestrial transmitter transmitting information on at least one frequency simultaneously usable by at least one geosynchronous satellite transmitting to a satellite receive antenna having a sensitivity characterizable by a primary sensitive axis directed substantially at the satellite; and

    wherein the terrestrial transmitter has an azimuthal gain characteristic directed substantially away from the Equator.

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