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10-80m-doublet-antenna


is at about 57 feet 17.4m and the feeder is about 60ft 18.3m long almost vertical but comes into the house about 3 ft above ground level
post 26 Dec 2021


Antenna Feed Lines Links

48



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

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