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Text File  |  1992-11-19  |  908 b   |  25 lines
  1. Newsgroups: rec.radio.swap
  2. Path: sparky!uunet!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!emory!wa4mei!ke4zv!gary
  3. From: gary@ke4zv.uucp (Gary Coffman)
  4. Subject: Re: Radar for tresure search
  5. Message-ID: <1992Nov19.094244.16866@ke4zv.uucp>
  6. Reply-To: gary@ke4zv.UUCP (Gary Coffman)
  7. Organization: Gannett Technologies Group
  8. References: <92322.204141IFF118@DJUKFA11.BITNET>
  9. Date: Thu, 19 Nov 1992 09:42:44 GMT
  10. Lines: 13
  11.  
  12. In article <92322.204141IFF118@DJUKFA11.BITNET> IFF118@DJUKFA11.BITNET writes:
  13. >I'm looking for any surplus radar or
  14. >other directed beam device which could help
  15. >to locate a hidden cave in a solid rock.
  16. >Any idea or references are highly appreciated
  17.  
  18. SONAR is going to be a better bet than radar for subsurface imaging.
  19. Radio waves don't penetrate rock that well, but sound waves do.
  20. You could perhaps adapt a bottom profiling marine sonar system
  21. with a different transducer.
  22.  
  23. Gary KE4ZV
  24.  
  25.