NOW AVAILABLE ** New Program "TRANCO_1.exe"
This program analyses performance as a transmission line, of a single-layer solenoid coil which may be inserted in an antenna wire. The coil itself may be used as a very short vertical antenna at its
1/4-wave resonant frequency.
From the input data of length, diameter and number of turns, the program calculates inductance, capacitance and resistance of the equivalent transmission line. The secondary constants of characteristic impedance Zo, phase shift, velocity factor, and attenuation are calculated. Also the feedpoint input impedance, R+jX, for when a coil is used as an antenna.
Because of the sensitivity to the environment of such an antenna and its high Q it will be necessary to trim antenna length to a particular wanted resonant frequency.
Download TRANCO_1 in a few seconds from website below and run immediately. Filesize = 38 Kbytes. (It's at the bottom of the list.)
---- ........................................................... Regards from Reg, G4FGQ For Free Radio Design Software go to