RadioBanter - View Single Post

March 14th 06, 07:22 PM posted to rec.radio.amateur.antenna

wrote:
The velocity factor of a transmission line is based on those
quantities and can be calculated.

Not quite. The velocity factor in transmission lines is based on
ratios: capacitance per length, and inductance per length.

There exist formulas for calculating the Z0 and VF of
helical transmission lines. I'll bet Reg can do it.
A coil has a capacitance per length and inductance
per length.
--
73, Cecil http://www.qsl.net/w5dxp