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Talk Abstract
The Limiting Error in GPS/DGPS: MULTIPATH

Michael S. Braasch
Electrical Engineering
Ohio University


This presentation will provide an overview of of the multipath problem in GPS and DGPS applications. Multipath is the phenomenon whereby multiple signals from a single transmitter arrive at a receiver via reflection and diffraction. All signals other than the direct signal are unwanted and cause distortion of the direct signal leading to pseudorange and carrier-phase measurement errors. This presentation will cover the description of multipath, its effects in traditional and modern receivers, and methods for mitigation.


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