Received Voltage Versus Antenna Height

Relative received voltage versus antenna height above ground is a function of field intensity height gain and the height dependent antenna effective length and impedance. The results of an empirical investigation of relative received voltage versus antenna height using typical EMI antennas in the frequency range 2.5 MHz to 1 GHz are presented. In a theoretical analysis field and antenna effects are separated. Field intensity height gains for both horizontal and vertical polarizations and the effective length and impedance of applicable antenna models are given.