Abstract
ABSTRACT This paper considers geolocation of a transmitter being steered by antennas installed on geostationary satellite using received signal strength (RSS) metric. The difference in the signal strengths is measured by the antennas and subsequently plotted as lines of position (LOP) on the surface of the earth. Intersection of these two or more LOP indicates the location of the terrestrial RF transmitters. This problem is appropriately modelled using Satellite Tool Kit (STK) to geolocate a transmitter based on spatially separated RSS measurements. Accuracy and size of the geolocation area depends on the distance between transmitter and the receiver and the contour widths geometry. Results of geolocation accuracy is compared by increasing the RF transmitter latitude at different contour widths. It is observed that transmitter placed at lower latitudes and having smaller contour widths provided a higher accuracy validating the proposed formulation.
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