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Really Powerful antenna

  1. Feb 21, 2014 #1
    Hey guys, I need to make an extremely powerful antenna that will pick up RF in the air or just to get ambient electricty.
  2. jcsd
  3. Feb 21, 2014 #2
    It might be a bit unclear from the picture regarding where to start, but usually with these things it's best to begin with the foundation. I'm not an expert on how to mix concrete but this might be a good start: http://en.wikipedia.org/wiki/Concrete

  4. Feb 21, 2014 #3

    Simon Bridge

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    In other words - the question is a little open-ended.
    "RF" is a very broad range and "pick up ambient electricity" is a bit vague.
    What do you hope to achieve?

    To start you off:
  5. Feb 21, 2014 #4


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    Search for "energy harvesting antennas" and refine your questions.
  6. Feb 21, 2014 #5


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    Staff: Mentor

  7. Feb 22, 2014 #6

    jim hardy

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