A Quarter wavelength of RG-58/U (VF = 0.66) at 7.040Mhz would be 23.06ft in length
post 26 Dec 2021
Antenna Feed Lines Links →
Antenna Cable Loss and SWR
To measure the cable loss, you should disconnect the other end of the cable from the antenna
Balanced feed with coaxial line
A previous model, fed with 300-ohm Twin-Lead and a T-match, had just beentaken down due to the unsatisfactory performance
Parallel Wire Impedance Calculator
This tool is designed to calculate the inductance of two parallel wires
Coaxial line RF choke
Understanding Common Mode and Differential Mode Currents on Transmission Lines
48
To measure the cable loss, you should disconnect the other end of the cable from the antenna
A previous model, fed with 300-ohm Twin-Lead and a T-match, had just beentaken down due to the unsatisfactory performance
This tool is designed to calculate the inductance of two parallel wires
Understanding Common Mode and Differential Mode Currents on Transmission Lines
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