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Radio waves

  1. Jan 7, 2005 #1
    I am in the process of installing an electric fence for our dog. I would like to block the radio waves transmitted to the collar in various parts of the yard but have not been successful to date. Any ideas would be appreciated.

    Thank you.
  2. jcsd
  3. Jan 7, 2005 #2
    aluminium foil.
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