Thanks Robert, Stanley and Bob for the tips. I tested some materials in a microwave oven and they all seemed to be good because there was no heating (maybe handwarm at 800W).
So the magic word seems to be refracting effects even at 1.5GHz... As I cannot get a commercial helf sphere for putting over the patch has anyone an idea what to take for i.e. from kitchen? Peter DG4EK _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
