Abstract
A systematic method for analyzing AM field strength measurement data to establish inverse distance field strength and ground conductivity zones is presented. The technique uses a simple bivariate error minimization routine to find the combination of radiation and conductivity which most closely matches the measurement data out to three kilometers. The balance of the conductivity zones are determined by a running average which again seeks minimum error when compared to digitized versions of the FCC groundwave propagation curves. An extension of the technique allows such net conductivities along a radial to be converted to equivalent M3 map conductivities. The mathematical algorithms provide unique and repeatable results, and are readily adapted for use in computer programs.
Published Version
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