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For line-of-sight radio or microwave

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For line-of-sight radio or microwave

Frequency GHz,transmit antenna diameter m,transmit antenna aperture efficiency e.g. 0.65






Antenna Calculator Links


Inductance of a Solenoid
Resonance in AC circuits implies a special frequency determined by the values of the resistance

Super J-Pole Collinear, PY2BBS
The central hairpin separating the two 5/8, can be made with 4 mm2 hard copper wire or even with a piece of copper serpentine

Single-Layer Helical Round Wire Coil Inductor Calculator
Round wire coil with dimensions and current-sheet approximation

Transmission Line Calculator, AA3RL
An excellent program to check the results for lossy lines is TLA

SWR Calculator 1.2 Jeff McClay, KG6JOZ