Estimation of ground‐based GNSS Zenith Total Delay temporal observation error correlations using data from the NOAA and E‐GVAP networks
Sign Up to like & getrecommendations! Published in 2019 at "Quarterly Journal of the Royal Meteorological Society"
DOI: 10.1002/qj.3448
Abstract: In preparation for possible higher frequency assimilation of ground‐based Global Navigation Satellite System (GB‐GNSS) Zenith Total Delay (ZTD) observations at Environment and Climate Change Canada (ECCC), two popular diagnostic methods are applied to observation‐minus‐background and… read more here.
Keywords: gnss; observation error; error correlations; ground based ... See more keywords
On the impact of GNSS ambiguity resolution: geometry, ionosphere, time and biases
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DOI: 10.1007/s00190-017-1084-0
Abstract: Integer ambiguity resolution (IAR) is the key to fast and precise GNSS positioning and navigation. Next to the positioning parameters, however, there are several other types of GNSS parameters that are of importance for a… read more here.
Keywords: gnss; geometry ionosphere; geometry; ambiguity ... See more keywords
A grid-based tropospheric product for China using a GNSS network
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DOI: 10.1007/s00190-017-1093-z
Abstract: Tropospheric delay accounts for one source of error in global navigation satellite systems (GNSS). To better characterize the tropospheric delays in the temporal and spatial domain and facilitate the safety-critical use of GNSS across China,… read more here.
Keywords: network; real time; gnss; time ... See more keywords
An efficient solution of real-time data processing for multi-GNSS network
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DOI: 10.1007/s00190-017-1095-x
Abstract: Global navigation satellite systems (GNSS) are acting as an indispensable tool for geodetic research and global monitoring of the Earth, and they have been rapidly developed over the past few years with abundant GNSS networks,… read more here.
Keywords: multi gnss; data processing; real time; gnss ... See more keywords
Assessment of local GNSS baselines at co-location sites
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DOI: 10.1007/s00190-017-1108-9
Abstract: As one of the major contributors to the realisation of the International Terrestrial Reference System (ITRS), the Global Navigation Satellite Systems (GNSS) are prone to suffer from irregularities and discontinuities in time series. While often… read more here.
Keywords: assessment local; gnss; gnss baselines; location sites ... See more keywords
Assessment of forecast Vienna Mapping Function 1 for real-time tropospheric delay modeling in GNSS
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DOI: 10.1007/s00190-019-01263-9
Abstract: The accurate modeling of tropospheric path delay is significant for data processing of radio space-geodetic techniques such as Global Navigation Satellite System (GNSS) and Very-Long-Baseline Interferometry (VLBI). The Vienna Mapping Function 1 (VMF1) model, based… read more here.
Keywords: tropospheric delay; real time; gnss; delay ... See more keywords
Brazilian active GNSS networks as systems for monitoring the ionosphere
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DOI: 10.1007/s10291-016-0589-y
Abstract: This research shows the viability of using Global Navigation Satellite System (GNSS) stations from Brazilian active networks in monitoring the ionosphere. Various indexes of ionospheric irregularities and scintillation of GNSS signals, estimated in real-time and… read more here.
Keywords: gnss; real time; brazilian active; monitoring ionosphere ... See more keywords
Real-time multi-GNSS single-frequency precise point positioning
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DOI: 10.1007/s10291-017-0653-2
Abstract: Precise Point Positioning (PPP) is a popular Global Positioning System (GPS) processing strategy, thanks to its high precision without requiring additional GPS infrastructure. Single-Frequency PPP (SF-PPP) takes this one step further by no longer relying… read more here.
Keywords: multi gnss; ppp; gnss; frequency ... See more keywords
Carrier phase bias estimation of geometry-free linear combination of GNSS signals for ionospheric TEC modeling
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DOI: 10.1007/s10291-018-0711-4
Abstract: The ionosphere can be modeled and studied using multi-frequency GNSS signals and their geometry-free linear combination. Therefore, a number of GNSS-derived ionospheric models have been developed and applied in a broad range of applications. However,… read more here.
Keywords: phase; methodology; gnss; geometry ... See more keywords
Using Allan variance to improve stochastic modeling for accurate GNSS/INS integrated navigation
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DOI: 10.1007/s10291-018-0718-x
Abstract: MEMS-based integrated system of a global navigation satellite system (GNSS) and an inertial navigation system (INS) has been widely used in various navigation applications. However, such integration encounters some major limitations. On the one hand,… read more here.
Keywords: using allan; gnss; variance improve; navigation ... See more keywords
Application of GNSS interferometric reflectometry for detecting storm surges
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DOI: 10.1007/s10291-019-0838-y
Abstract: A single geodetic GNSS station placed at the coast has the capability of a traditional tide gauge for sea-level measurements, with the additional advantage of simultaneously obtaining vertical land motions. The sea-level measurements are obtained… read more here.
Keywords: gnss; sea level; storm surges; level ... See more keywords