Antenna length from wavelength fraction

Calculates wavelength from frequency and velocity factor.

Calculates β and electrical length from physical length, frequency and VF.

Calculates antenna effective aperture from linear gain and wavelength.

Calculates quarter-wave section impedance for real positive source and load impedances.

Calculates impedance of a homogeneous non-magnetic coaxial line from geometry and dielectric permittivity.

Calculates skin depth from frequency, resistivity and relative magnetic permeability.