Method for determining stationary locomotive location in a railyard
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United States of America Patent
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Jun 11, 2002
Grant Date -
N/A
app pub date -
Sep 15, 2000
filing date -
Sep 15, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A system for determining a locomotive within a railyard includes a base station, a base station receiver that receives location data pertaining to the base station location, a mobile receiver that receives location data pertaining to the location of locomotive, and a computer. The mobile receiver utilizes data from a group of satellites that are a subset of the satellite constellation used to obtain base station location data. The computer tracks base station location data and computes a position error for the base station. The computer applies the error to a locomotive estimated position resulting in an accurate locomotive location.
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