Note in the last digest indicated that some of the patents run out in 4 years.
Looks to me that some plastic stamped choke ring with suitable metallic coating should be cheap in bulk. Finding the phase center might be interesting, but....... N0UU _______________________________________________ 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.
