GPS Geodetic Receivers - A Cost-Sharing Instrumentation Purchase Proposal

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This award provides one-half the funds required to acquire three Global Positioning System (GPS) receivers whose use will be shared between scientists at the Lamont-Doherty Geological Observatory of Columbia University and the University NAVSTAR Consortium (UNAVCO). Columbia will provide the remaining funds needed for the purchase of the instruments and UNAVCO will provide maintenance and repair services for the instrument packages. The GPS receivers are capable of rapid and accurate geodetic measurements with errors of less than a centimeter over baselines of hundreds of kilometers and will be used in a variety of research projects related to plate tectonics and earthquake studies.