GPS surveying with 1 mm precision using corrections for atmospheric slant path delay

GPS surveying with 1 mm precision using corrections for atmospheric slant path delay

Multipath and atmospheric effects can limit GPS surveying precision. We surveyed a 43 km baseline using large diameter choke ring antennas to reduce multipath and pointed radiometer and barometric data to correct for atmospheric slant delay. Based on 11 daily solutions, atmospheric slant delay corre...

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Veröffentlicht in:Geophysical research letters 1997-08, Vol.24 (15), p.1859-1862
Hauptverfasser: Alber, Chris, Ware, Randolph, Rocken, Christian, Solheim, Fredrick
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Sprache:eng
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Earth, ocean, space
Exact sciences and technology
External geophysics
Geophysics. Techniques, methods, instrumentation and models
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container_end_page 1862
container_issue 15
container_start_page 1859
container_title Geophysical research letters
container_volume 24
creator Alber, Chris
Ware, Randolph
Rocken, Christian
Solheim, Fredrick
description Multipath and atmospheric effects can limit GPS surveying precision. We surveyed a 43 km baseline using large diameter choke ring antennas to reduce multipath and pointed radiometer and barometric data to correct for atmospheric slant delay. Based on 11 daily solutions, atmospheric slant delay corrections improved vertical precision to 1.2 mm rms and horizontal precision to sub‐mm. Applications for high precision GPS surveying include deformation monitoring associated with earthquake and volcanic processes, subsidence, isostasy, and sea level measurements; monitoring of atmospheric water vapor for climate and global change research, and to improve the resolution of synthetic aperture radar; calibration of satellite altimeters; and precise satellite orbit determination.
doi_str_mv 10.1029/97GL01877
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source Wiley Free Content; Wiley-Blackwell AGU Digital Library; Wiley Online Library Journals Frontfile Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Earth, ocean, space
Exact sciences and technology
External geophysics
Geophysics. Techniques, methods, instrumentation and models
title GPS surveying with 1 mm precision using corrections for atmospheric slant path delay
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