A simple computer-aided method for estimating radio-location error. Academic Article uri icon


  • BACKGROUND The concept of radiolocation by triangula-tion is simple. Angular bearings to a signal source (ie, transmitter equipped animal) are made from two or more receiving sites using directional antennas. The location of the source is the point at which the projected bearings intersect. Bearings are usually made with a compass or a calibrated compass rose. The receiving sites may be fixed or mobile, but must be at known map locations. Errors in location estimations may arise from various sources, including equipment faults, ob-server inaccuracies, and landscape interfer-ence. Moreover, no receiver system provides a signal only at the exact bearing of the transmitter; typically, there is an angular arc over which an appropriate (loud or null) signal is detected, the magnitude of which varies ac-cording to antenna characteristics and other factors. Paraphrasing Springer (1979), the principal …

publication date

  • January 1, 1985