Method and system using GNSS phase measurements for relative positioning
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United States of America Patent
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Sep 18, 2012
Grant Date -
Dec 31, 2009
app pub date -
Sep 4, 2009
filing date -
Mar 19, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for locating GNSS-defined points, distances, directional attitudes and closed geometric shapes includes the steps of providing a base with a base GNSS antenna and providing a rover with a rover GNSS antenna and receiver. The receiver is connected to the rover GNSS antenna and is connected to the base GNSS antenna by an RF cable. The receiver thereby simultaneously processes signals received at the antennas. The method includes determining a vector directional arrow from the differential positions of the antennas and calculating a distance between the antennas, which can be sequentially chained together for determining a cumulative distance in a “digital tape measure” mode of operation. A localized RTK surveying method uses the rover antenna for determining relative or absolute point locations. A system includes a base with an antenna, a rover with an antenna and a receiver, with the receiver being connected to the antennas. A processor is provided for computing positions, directional vectors, areas and other related tasks.
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