Utility locating systems, devices, and methods using radio broadcast signals
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United States of America Patent
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Jun 2, 2020
Grant Date -
Jun 8, 2017
app pub date -
Nov 23, 2016
filing date -
Nov 25, 2015
priority date (Note) -
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Abstract
Systems, devices, and methods for locating buried conductors using ambient electromagnetic signals, such as AM or other broadcast signals, are described. A buried utility locator may include a plurality of spatially separated antenna arrays, a receiver circuit coupled thereto, and a processing element programmed to process measurements of ambient electromagnetic signals and associated electromagnetic signals radiated from current induced in the buried conductor from the ambient signals to determine information about the buried conductor.
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