You could cut up a military surplus RF blanket :-) For those who don't know, you cover the radome of an aircraft with this when the radar is transmitting, so you don't cook anyone nearby. I never knew how effective it was, but I didn't walk in front of the aircraft, just to be safe.
Joe Gray W5JG On Wed, Apr 4, 2012 at 6:53 AM, Michael Baker <mp...@clanbaker.org> 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 > 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.