Journal ArticleDOI
The Multi-GNSS Experiment (MGEX) of the International GNSS Service (IGS) - Achievements, prospects and challenges
Oliver Montenbruck,Peter Steigenberger,Lars Prange,Zhiguo Deng,Qile Zhao,Felix Perosanz,Ignacio Romero,Carey Noll,Andrea Stürze,Georg Weber,Ralf Schmid,Ken MacLeod,Stefan Schaer +12 more
TLDR
The status and tracking capabilities of the IGS monitoring station network are presented and the multi-GNSS products derived from this resource are discussed and the achieved performance is assessed and related to the current level of space segment and user equipment characterization.About:
This article is published in Advances in Space Research.The article was published on 2017-04-01. It has received 645 citations till now. The article focuses on the topics: GNSS applications & Galileo (satellite navigation).read more
Citations
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The Global Positioning System
TL;DR: This research study explores the Global Positioning System (GPS), its history, and the process of discovery needed to create the most accurate GPS possible, as well as the contemporary applications of GPS technology.
Journal ArticleDOI
Multi-GNSS phase delay estimation and PPP ambiguity resolution: GPS, BDS, GLONASS, Galileo
TL;DR: In this article, a GCRE four-system uncalibrated phase delay (UPD) estimation model and multi-GNSS undifferenced PPP AR method were developed in order to utilize the observations from all systems.
Journal ArticleDOI
GipsyX/RTGx, a new tool set for space geodetic operations and research
Willy Bertiger,Yoaz Bar-Sever,Angie Dorsey,Bruce J. Haines,Nate Harvey,Dan Hemberger,Michael Heflin,Wenwen Lu,Mark Miller,Angelyn Moore,Dave Murphy,Paul Ries,Larry Romans,Aurore Sibois,Ant Sibthorpe,Béla Szilágyi,Michele Vallisneri,Pascal Willis +17 more
TL;DR: GipsyX/RTGx as discussed by the authors is a next generation software package for positioning, navigation, timing, and Earth science using measurements from three geodetic techniques: Global Navigation Satellite Systems (GNSS), Satellite Laser Ranging (SLR), and Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS); with Very Long Baseline Interferometry (VLBI) under development.
Journal ArticleDOI
Quality assessment of multi-GNSS orbits and clocks for real-time precise point positioning
TL;DR: A comprehensive evaluation of the availability and the quality of multi-GNSS real-time orbit and clock products is provided through the comparison to the final Center for Orbit Determination in Europe (CODE) orbits, fitting long continuous orbital arcs, as well as the assessment of clock stability using modified Allan deviation diagrams.
Journal ArticleDOI
Multi-GNSS signal-in-space range error assessment – Methodology and results
TL;DR: The present study reviews the fundamental concepts and underlying assumptions of signal-in-space range error (SISRE) analyses and presents a harmonized framework for multi-GNSS performance monitoring based on the comparison of broadcast and precise ephemerides to contribute to a better understanding and harmonization of multi- GNSS SISRE analyses and their use as key performance indicators for the various constellations.
References
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Networked Transport of RTCM via Internet Protocol (Ntrip) … IP-Streaming for Real-Time GNSS Applications
TL;DR: In this article, the authors present a protocol for streaming DGNSS data over the Internet using RTCM via Internet Protocol (Ntrip) which can also be used for streaming other kinds of data.
Journal ArticleDOI
Estimation of satellite antenna phase center offsets for Galileo
Peter Steigenberger,Mathias Fritsche,Rolf Dach,Ralf Schmid,Oliver Montenbruck,Maik Uhlemann,Lars Prange +6 more
TL;DR: In this article, satellite antenna phase center offsets for the Galileo In-Orbit Validation (IOV) and Full Operational Capability (FOC) satellites are estimated by two different analysis centers based on tracking data of a global GNSS network.
Journal ArticleDOI
Compass-M1 Broadcast Codes in E2, E5b, and E6 Frequency Bands
TL;DR: This research sets up a 1.8-m dish antenna, applies signal processing, and is able to extract the PRN code chips out of the noise in all three frequency bands, and finds that the Compass-M1 PRN codes in all frequency bands are Gold codes.
Journal ArticleDOI
Scaling of GNSS Radio Occultation Impact with Observation Number Using an Ensemble of Data Assimilations
TL;DR: It is shown that 2000 simulated GNSS RO measurements have an impact similar to real measurements in the EDA and that the Eda-based impact of real data can be related to the impact in observing system experiments.
Creation of the new industry-standard space test of laser retroreflectors for the gnss
S. Dell 'agnello,G. Delle Monache,Douglas G. Currie,R. Vittori,C. Cantone,M. Garattini,A. Boni,M. Martini,C. Lops,N. Intaglietta,Roberto Tauraso,D. Arnold,Michael R. Pearlman,Giuseppe Bianco,Susanna Zerbini,M. Maiello,S. Berardi,L. Porcelli,C. O. Alley,Jan F. McGarry,C. Sciarretta,Vincenza Luceri,T. W. Zagwodzki +22 more
TL;DR: The SCF facility and the SCF-Test were used to perform a comprehensive, non-invasive space characterization of older generation, back-coated retroreflectors of the GIOVE-A and -B (Galileo In-Orbit Validation Elements) and the GPS-35 and -36 designs.
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The International GNSS Service in a changing landscape of Global Navigation Satellite Systems
John Dow,Ruth Neilan,Chris Rizos +2 more