So it can be done: try to emulate the Zephyr GPS antenna with the RF
absorber.

On Wed, Apr 4, 2012 at 3:56 PM, Robert Berg <bo...@pobox.com> wrote:

> 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
>> ----------------
>>
>> ______________________________**_________________
>> time-nuts mailing list -- time-nuts@febo.com
>> To unsubscribe, go to https://www.febo.com/cgi-bin/**
>> mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts>
>> and follow the instructions there.
>>
>>
>
> ______________________________**_________________
> time-nuts mailing list -- time-nuts@febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/**
> mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts>
> and follow the instructions there.
>
_______________________________________________
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.

Reply via email to