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Free-Field Measurements of the Electrical Properties of Soil Using the Surface Wave Propagation Between Two Monopole Antennas

Report ID
NTIA Technical Report TR-12-484
January 02, 2012
Nicholas DeMinco, Robert T. Johnk, Paul McKenna, Chriss A. Hammerschmidt, J. Wayde Allen

Abstract: This report describes one of three free-field radio frequency (RF) measurement systems that are currently being developed by engineers at the Institute for Telecommunication Sciences (NTIA/ITS). The objective is to provide estimates of the electrical properties of the ground (permittivity and conductivity) over which the measurement systems are deployed. This measurement system uses transmission loss measurements between two monopoles placed close to the ground at specific separation distances. Soil properties are extracted by comparing measured data with known analytical models and optimizing the results.

Keywords: antenna; radio-wave propagation; deconvolution; Fourier transform; frequency domain; gating; monopole antenna; reflectivity, signal processing, S-parameters, time domain; transmission loss; propagation measurement

The full report is available at http://www.its.bldrdoc.gov/publications/2564.aspx

Topics
Spectrum Engineering
Program
Spectrum Management
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