New program LINE_ZIN, for given frequency and load impedance, for
balanced-twin lines, calculates -

Impedance Zo
Input impedance, R+jX
Attenuation, dB
Power efficiency %
Loss with standing waves, dB
Reflection coefficient
Angle of refl.coeff.
SWR at load end
SWR at input end

Input data can be varied in small increments from the keyboard to
observe how a line behaves. Practical and educational.

Download program LINE_ZIN (40 K-bytes) in a few seconds from website
below and run imediately.
----
.................................................. ..........
Regards from Reg, G4FGQ
For Free Radio Design Software go to
http://www.btinternet.com/~g4fgq.regp
.................................................. ..........