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29935Re: [midatlanticretro] Re: Altair / Fool on the Hill question

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  • Dave McGuire
    Mar 29, 2013
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      On 03/29/2013 08:34 AM, joshbensadon wrote:
      > You are right to guess it needs to be "360". These low frequency AM
      > signals are like sound, they curve around objects to fill everything, vs
      > high frequency which works only "line of sight".
      >
      > I would try using aluminum (window) screen.
      >
      > Another option might be to use a small radio that can be placed right
      > inside the Altair. Start the demo by lifting the lid of the Altair to
      > show off the cool boards inside, place your radio inside, close the lid.
      > Finish the demo by pulling out the radio (for those new comers that didn't
      > see the radio going in).
      >
      > If you like to do your own experiments, you can buy an AM transmitter from
      > Ramseykits for $35.
      > http://www.ramseyelectronics.com/cgi-bin/commerce.exe?preadd=action&key=AM1C
      >
      > Or tune your AM radio to a local station and shielding it out.

      Also, remember distance is your friend. unless there are directional
      antennas involved, signal strength is inversely proportional to the square of
      the distance.

      -Dave


      --
      Dave McGuire, AK4HZ
      New Kensington, PA
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