Here are some simple antenna calculatorsSimple Dipole CalculatorA useful and fundamental measurement in radio antenna work is the "half wavelength". We must know how to calculate it. It gives the desired physical length of an antenna for any operating frequency.
Enter the Desired Centre Frequency in MHz Total overall length of the
dipole will be
Feet Each leg of the dipole will
be Feet The half-wave dipole is one of
the most important and commonly used antennas and is very simple to construct.
The length of a dipole is the main determining factor for the operating frequency. Simple Vertical Calculator
3 element beam CalculatorSimple J Pole Calculator
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