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Ground-based GPS altimetry with the L1 OpenGPS receiver using carrier phase-delay observations of reflected GPS signals

Helm, A. (2008): Ground-based GPS altimetry with the L1 OpenGPS receiver using carrier phase-delay observations of reflected GPS signals, PhD Thesis, (Scientific Technical Report STR ; 08/10), Potsdam : Deutsches GeoForschungsZentrum GFZ, 163 S. p.
DOI: http://doi.org/10.2312/GFZ.b103-08104



http://gfzpublic.gfz-potsdam.de/pubman/item/escidoc:8772
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0810.pdf
(Publisher version), 38MB

Authors
Abstract
This study presents methods and field experiments for ground-based GPS altimetry. Although Coarse/Acquisition Code (C/A-code) based methods are introduced, the main part of this work addresses the use of carrier phase-delay observations of the reflected GPS signal and focuses on specular reflection. [...] This study approves the feasibility of ground-based GPS altimetry with the OpenGPS receiver and with only one low-gain and wide field-of-view RHCP antenna using L1 carrier phase-delay observations of reflected GPS signals. The work shows the potential of GPS reflectometry for remote water level monitoring from a safe position in cases where in-situ measurements are not possible, are dangerous or sensors may get destroyed by the highly dynamic sea or glacier environment.