Results 11 to 20 of about 149 (125)
Improvement and extension of ETRS 89 in Latvia and Lithuania based on the NKG 2003 GPS campaign
Geodesy and Cartography, 2012 The present ETRS 89 realisations in Latvia and Lithuania are based on the EUREF‐BAL'92 campaign, which has an estimated accuracy of the same level as the original EUREF 89 campaign (class C).
Lotti Jivall +2 more
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High rate 30 seconds vs clock interpolation in Precise Point Positioning (PPP) [PDF]
Geodetski Vestnik, 2016 The development of GNSS technology (Global Navigation Satellite Systems), including GPS technology (Global Positioning System), and the increase of accuracy and precision of the International GNSS Service (IGS) products, make Precise Point ...
Sorin Nistor, Aurelian Stelian Buda
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Some problems in using global positioning system in our conditions
Vojnotehnički Glasnik, 1997 The paper points out some problems in using GPS in true field conditions. In particular, the paper describes importance of having a very good state network and its connection with the European reference frame (EUREF).
Branko Božić
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PPP-RTK considering the ionosphere uncertainty with cross-validation
Satellite Navigation, 2022 With the high-precision products of satellite orbit and clock, uncalibrated phase delay, and the atmosphere delay corrections, Precise Point Positioning (PPP) based on a Real-Time Kinematic (RTK) network is possible to rapidly achieve centimeter-level ...
Pan Li +6 more
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ISPRS International Journal of Geo-Information, 2021 The Precise Point Positioning (PPP) with fast integer ambiguity resolution (PPP-RTK) is feasible only if the solution is augmented with precise ionospheric parameters.
Lewen Zhao +2 more
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Comparison of GPS tropospheric delays derived from two consecutive EPN reprocessing campaigns from the point of view of climate monitoring [PDF]
Atmospheric Measurement Techniques, 2016 The main purpose of this research was to acquire information about consistency of ZTD (zenith total delay) linear trends and seasonal components between two consecutive GPS reprocessing campaigns.
Z. Baldysz +4 more
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Identification of the spatial position of permanent GPS stations in the Baltic region
Aviation, 2012 Since the last decade of the 20th century, data on repeated measurements from the Global Positioning System (hereinafter referred to as GPS) have been commonly used globally to investigate the motion of the Earth's crust. With the use of data on repeated
Daiva Levinskaitė
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Observations by the CUTLASS radar, HF Doppler, oblique ionospheric sounding, and TEC from GPS during a magnetic storm [PDF]
Annales Geophysicae, 2005 Multi-diagnostic observations, covering a significant area of northwest Europe, were made during the magnetic storm interval (28–29 April 2001) that occurred during the High Rate SolarMax IGS/GPS-campaign. HF radio observations were made with vertical
D. V. Blagoveshchensky +5 more
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Annals of Geophysics, 2012 <p>Total electron content (TEC) data of 14 global positioning system (GPS) stations of the EUREF network were provided by the IONOLAB. These were analyzed using wavelet analysis and discrete Fourier analysis to investigate the TEC variations over ...
Spyrous D. Spatalas +3 more
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Adjustment and transformation strategies of ItalPoS Permanent GNSS Network
Annals of Geophysics, 2009 A private network of 133 Global Navigation Satellite Systems (GNSS) permanent sites, named ItalPoS (Italian<br />Positioning Service) and uniformly covering the entire Italian territory, was established in April 2006 by the Italian<br /> ...
Alessandro Capra +3 more
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