If foliage does such a number on GPS signals, just fill a big garbage bag
with yard debris and set the antenna in the middle of that.

On 04/04/2012 05:53 AM, Michael Baker wrote:
Hello, Time-Nutters--

I saw a rather expensive GPS antenna made by one of the
big-name GPS survey equipment mfgrs that was mounted
on top of a 12 or 15 inch diameter disc about 3/4 inch thick.

Turns out that the disc is made of some sort of RF absorbent
foam covered by a weather-proofing coating of some sort.

If one were to try to home-brew something like this, where
would a small piece of the RF absorbent material be obtained
without having to spend too much $$ for this experiment?

Thanks for any feedback on this!!

Mike Baker
WA4HFR
----------------

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--
Chuck Forsberg WA7KGX N2469R     [email protected]   www.omen.com
Developer of Industrial ZMODEM(Tm) for Embedded Applications
  Omen Technology Inc      "The High Reliability Software"
10255 NW Old Cornelius Pass Portland OR 97231   503-614-0430


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