Bottom line is that using a chunk of coax (even air line) as a time delay standard is like using a ruler made of a rubber band to check the accuracy of a SS maxchinist's scale.
YMMV, -John =============== > Joe, > > The coax can be viewed as a series of lumped constants; that is, series > inductors with many shunt capacitors to ground in between the > inductors. In essence, a delay line. At standard temperature / > pressure / etc. the delay line assumes a given value. If any external > influence impacts the coax then it assumes a new value because of : > > 1. Capacitive and inductive changes from dimensional shifts OR > > 2. Changing dielectric properties OR > > 3. Some combination of the above > > Thus the delay line's value (VOP) changes, and, naturally the impedance > as well. > > Bill....WB6BNQ > > Joseph Gray wrote: > > I assume you mean that impedance has an effect on VOP? Can you point > to any internet sources that explain this effect? Preferably > something > not overly technical. > > Joe Gray > W5JG > > On Sun, Apr 3, 2011 at 4:11 PM, paul swed <[email protected]> > wrote: > > It does change vop > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > [1]https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > References > > 1. https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > _______________________________________________ > 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.
