220 pF is about 8' of coax. -John
============= > The coil with 50T and 5 foot diameter is 11.5mH. It would take about > 220pf > of self capacitance to make it resonate at 100KHz. > > Anyway, if the capacitance is too much, it's all in the way you splice the > ends together in the conduit box. If you want, you can make the loop a > single > turn with 50 parallel conductors. > > -Chuck Harris > > paul swed wrote: >> I have used 25 pair telco cable. >> The issue that can happen is the inter pair and strand capacitance can >> exceed the resonance frequency of the loop. Or resonates below 60 KC. >> Just a >> heads up. >> Using a 3 foot loop was not a problem. >> Regards > > _______________________________________________ > 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. > > _______________________________________________ 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.
