[time-nuts] Improving performance of a GPS antenna...?

[Robert Berg]

You can get inexpensive conductive foam from Amazon.

On 4/4/2012 5:53 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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