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Signal acquisition and tracking system

  • US 4,477,812 A
  • Filed: 05/29/1981
  • Issued: 10/16/1984
  • Est. Priority Date: 05/29/1981
  • Status: Expired due to Fees
First Claim
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1. A circuit for use in a signal acquisition and tracking system in a known frequency range with a signal of known modulation characteristics comprising:

  • means for receiving electromagnetic signals originating omnidirectionally in azimuth with respect to a predetermined location and from within a narrow beam width which is of variable elevation;

    a tuning network varying the frequency received over said frequency range operably connected to said receiving means; and

    means for controlling the variation in elevation of said receiving means sensitivity and for simultaneously and selectively controlling the frequency variation accomplished by said tuning network, operably connected to said receiving means and said tuning network.

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