Tong Ning

Publikationer (48)
Projekt (0)

Visar 48 publikationer

2024

Assessment of GNSS stations using atmospheric horizontal gradients and microwave radiometry

Gunnar Elgered, Tong Ning, Periklis Diamantidis et al

Advances in Space Research. Vol. 74 (6), p. 2583-2592

Artikel i vetenskaplig tidskrift

2023

On the use of water vapour radiometry for assessment of wet delay estimates from space geodetic techniques

Gunnar Elgered, Tong Ning

Poster (konferens)

2023

On the use of water vapour radiometry for assessment of wet delay estimates from space geodetic techniques

Gunnar Elgered, Tong Ning

Proceedings of the 26th European VLBI Group for Geodesy and Astrometry Working Meeting, p. 50-54

Paper i proceeding

2022

Comparison of four different GNSS antenna installations using estimated atmospheric gradients and microwave radiometry

Gunnar Elgered, Tong Ning, Periklis Diamantidis et al

Övrigt konferensbidrag

2021

High temporal resolution wet delay gradients estimated from multi-GNSS and microwave radiometer observations

Tong Ning, Gunnar Elgered

Atmospheric Measurement Techniques. Vol. 14 (8), p. 5593-5605

Artikel i vetenskaplig tidskrift

2020

Use of GNSS Tropospheric Products for Climate Monitoring (Working Group 3)

O. Bock, R. Pacione, F. Ahmed et al

Advanced GNSS Tropospheric Products for Monitoring Severe Weather Events and Climate, p. 267-402

Kapitel i bok

2020

National Status Reports

G. Guerova, G. Möller, E. Pottiaux et al

Advanced GNSS Tropospheric Products for Monitoring Severe Weather Events and Climate, p. 403-481

Kapitel i bok

2019

Comparison of Atmospheric Gradients Estimated From Ground-Based GNSS Observations and Microwave Radiometry

Gunnar Elgered, Peter Forkman, Tong Ning

The proceedings to the 7th Galileo Science Colloquium

Paper i proceeding

2019

On the information content in linear horizontal delay gradients estimated from space geodesy observations

Gunnar Elgered, Tong Ning, Peter Forkman et al

Atmospheric Measurement Techniques. Vol. 12 (7), p. 3805-3823

Artikel i vetenskaplig tidskrift

2019

Station calibration of the SWEPOS GNSS network

Martin Lidberg, Per O. J. Jarlemark, Jan Johansson et al

Geophysica. Vol. 54 (1), p. 93-105

Artikel i vetenskaplig tidskrift

2019

GPS-derived trends in the atmospheric water vapour content: comparisons to other techniques and correlations with trends in the mean temperature

Tong Ning, Gunnar Elgered

Poster (konferens)

2019

Comparison of atmospheric gradients estimated from ground-based GNSS observations and microwave radiometry

Gunnar Elgered, Peter Forkman, Tong Ning

Poster (konferens)

2017

Accuracy assessment of the two WVRs, Astrid and Konrad, at the Onsala Space Observatory

Peter Forkman, Gunnar Elgered, Tong Ning

Övrigt konferensbidrag

2017

Trends in the atmospheric water vapour estimated from two decades of ground-based GPS data: sensitivity to the elevation cutoff angle

Tong Ning, Gunnar Elgered

6th International Colloquium Scientific and Fundamental Aspects of the Galileo Programme}, Valencia, Spain, 25-27 October

Övrigt konferensbidrag

2016

The uncertainty of the atmospheric integrated water vapour estimated from GNSS observations

Tong Ning, J Wang, Gunnar Elgered et al

Atmospheric Measurement Techniques. Vol. 9 (1), p. 79-92

Artikel i vetenskaplig tidskrift

2015

Onsala Space Observatory – IVS Network Station Activities during 2014

Rüdiger Haas, Gunnar Elgered, Johan Löfgren et al

Rapport - NASA Langley Research Center

2015

A 17 year time series of ground-based GNSS for sensing of atmospheric water vapour

Tong Ning, Gunnar Elgered

5th International Colloquium Scientific and Fundamental Aspects of the Galileo Programme, Braunschweig, Germany, 27-29 October

Övrigt konferensbidrag

2015

Determination of the local tie vector between the VLBI and GNSS reference points at Onsala using GPS measurements

Tong Ning, Rüdiger Haas, Gunnar Elgered

Journal of Geodesy. Vol. 89 (7), p. 711-723

Artikel i vetenskaplig tidskrift

2015

Onsala Space Observatory – IVS Analysis Center Activities during 2014

Rüdiger Haas, Thomas Hobiger, Hans-Georg Scherneck et al

International VLBI Service for Geodesy and Astrometry 2014 Annual Report, p. 252-255

Kapitel i bok

2014

Determination of the local tie vector between the VLBI and GNSS reference points at Onsala using GPS measurements

Tong Ning, Rüdiger Haas, Gunnar Elgered

IAG Commission 1 Symposium 2014: Reference Frames for Applications in Geosciences (REFAG2014), 13-17 October, 2014 Kirchberg, Luxemburg

Poster (konferens)

2014

Determination of the local tie vector between the VLBI and GNSS reference points at Onsala using GPS measurements

Tong Ning, Rüdiger Haas, Gunnar Elgered

IVS 2014 General Meeting Proceedings "VGOS: The New VLBI Network", Edited by Dirk Behrend, Karen D. Baver, and Kyla L. Armstrong, Science Press (Beijing), p. 163-167

Övrigt konferensbidrag

2014

Onsala Space Observatory – IVS Analysis Center Activities during 2013

Rüdiger Haas, Hans-Georg Scherneck, Johan Löfgren et al

International VLBI Service for Geodesy and Astrometry 2013 Annual Report, edited by K. D. Baver, D. Behrend, and K. L. Armstrong, NASA/TP-2014-217522, 2014., p. 304-307

Kapitel i bok

2014

Onsala Space Observatory – IVS Network Station Activities During 2013

Rüdiger Haas, Gunnar Elgered, Johan Löfgren et al

Rapport - NASA Ames Research Center

2013

Onsala Space Observatory – IVS Network Station

Rüdiger Haas, Gunnar Elgered, Johan Löfgren et al

International VLBI Service for Geodesy and Astrometry 2012 Annual Report, p. 130-133

Kapitel i bok

2013

Onsala Space Observatory – IVS Analysis Center

Rüdiger Haas, Hans-Georg Scherneck, Gunnar Elgered et al

International VLBI Service for Geodesy and Astrometry 2012 Annual Report, p. 298-301

Kapitel i bok

2013

Evaluation of the atmospheric water vapor content in a regional climate model using ground-based GPS measurements

Tong Ning, Gunnar Elgered, Ulrika Willén et al

Journal of Geophysical Research. Vol. 118 (2), p. 329-339

Artikel i vetenskaplig tidskrift

2012

Trends in the AtmosphericWater Vapor Content From Ground-Based GPS: The Impact of the Elevation Cutoff Angle

Tong Ning, Gunnar Elgered

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. Vol. 5 (3), p. 744-751

Artikel i vetenskaplig tidskrift

2012

Instruments, data and techniques for the assessment of tropospheric noise in deep space tracking

P. Tortora, S. Crewell, Gunnar Elgered et al

Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, p. 106-110

Paper i proceeding

2012

GPS Meteorology: With Focus On Climate Application

Tong Ning

Doktorsavhandling

2012

Assessing the Quality of Water Vapor Radiometer Data from Onsala during the CONT11 Geodetic VLBI Campaign

Gunnar Elgered, Rüdiger Haas, Jonas Wahlbom et al

International VLBI Service for Geodesy and Astrometry 2012 General Meeting Proceedings: "Launching the Next-Generation IVS Network", eds. Dirk Behrend and Karen D. Baver. Vol. NASA/CP-2012-217504, p. 410-414

Övrigt konferensbidrag

2012

Onsala Space Observatory - IVS Network Station

Rüdiger Haas, Gunnar Elgered, Johan Löfgren et al

International VLBI Service for Geodesy and Astrometry 2011 Annual Report, edited by K. D. Baver and D. Behrend (NASA/TP-2012-217505), p. 88-91

Kapitel i bok

2012

Multi-technique comparisons of 10 years of wet delay estimates on the west coast of Sweden

Tong Ning, Rüdiger Haas, Gunnar Elgered et al

Journal of Geodesy. Vol. 86 (7), p. 565-575

Reviewartikel

2012

Validation of GPS-derived long-term trend in the atmospheric water vapor using homogenized radiosonde data

Tong Ning, Gunnar Elgered, Junhong Wang et al

UNAVCO workshop

Poster (konferens)

2012

Onsala Space Observatory - IVS Analysis Center

Rüdiger Haas, Tong Ning, Gunnar Elgered et al

International VLBI Service for Geodesy and Astrometry 2011 Annual Report, edited by K. D. Baver and D. Behrend (NASA/TP-2012-217505), p. 249-251

Kapitel i bok

2011

The Impact of Microwave Absorber and Radome Geometries on Ground-Based GNSS Measurements of Coordinates and Atmospheric Water Vapour

Tong Ning, Jan Johansson, Gunnar Elgered

Advances in Space Research. Vol. 47 (2), p. 186-196

Artikel i vetenskaplig tidskrift

2011

Onsala Space Observatory - IVS Network Station

Rüdiger Haas, Gunnar Elgered, Johan Löfgren et al

Rapport - NASA Ames Research Center

2011

Long-Term Trends in the Amount of Atmospheric Water Vapour Derived From Space Geodetic and Remote Sensing Techniques

Rüdiger Haas, Tong Ning, Gunnar Elgered

ESA Proceedings WPP 326 : Proc. 3rd Int. Colloquium – Scientific and Fundamental Aspects of the Galileo Programme

Övrigt konferensbidrag

2011

MONITORING LONG TERM VARIABILITY IN THE ATMOSPHERICWATER VAPOUR CONTENT USING GROUND-BASED GPS RECEIVER NETWORKS

Tong Ning, Gunnar Elgered

ESA Proceedings WPP 326 : Proc. 3rd Int. Colloquium – Scientific and Fundamental Aspects of the Galileo Programme

Övrigt konferensbidrag

2010

Observation of long term trends in the amount of atmospheric water vapor by space geodesy and remote sensing techniques

Rüdiger Haas, Tong Ning, Gunnar Elgered

2010 IEEE International Geoscience and Remote Sensing Symposium Proceedings, p. 2944-2947

Övrigt konferensbidrag

2010

Evaluation of climate models using ground-based GNSS observations

Gunnar Elgered, Tong Ning, Jan Johansson et al

Proceedings of the 16th General Assembly of the Nordic Geodetic Commission, p. 107-114

Övrigt konferensbidrag

2010

Global Navigation Satellite Systems: Applications With Time Scales From Seconds to Decades

Tong Ning

Licentiatavhandling

2009

Site Dependent Effects in GNSS-Observations - Reflections as Disturbances and/or Signals

Johan Löfgren, Rüdiger Haas, Jan Johansson et al

European Geosciences Union General Assembly 2009, Vienna, Austria, 19 – 24 April 2009

Poster (konferens)

2009

High-Rate GNSS Techniques for the Detection of Large Seismic Displacements

Tong Ning, Jan Johansson, Hans-Georg Scherneck et al

the IEEE International Geoscience and Remote Sensing Symposium (IGARSS), p. V 359-362

Övrigt konferensbidrag

2009

The impact of microwave absorber and radome geometries on geodetic measurements with ground-based GNSS antennas

Tong Ning, Gunnar Elgered, Jan Johansson

Proc. of 2nd Colloquium Scientific and Fundamental Aspects of the Galileo Programme, European Space Agency, 15-19 October, 2009, Padua, Italy. Vol. CD ROM

Paper i proceeding

2009

Validation of climate models using European ground-based GNSS observations

Gunnar Elgered, Ragne Emardson, P. Jarlemark et al

Proc. of 2nd Colloquium Scientific and Fundamental Aspects of the Galileo Programme, European Space Agency, 15-19 October, 2009, Padua, Italy. Vol. CD ROM

Övrigt konferensbidrag

2008

Atmospheric Water Vapor Content Inferred From GPS Data and Compared to a Global NWP Model and a Regional Climate Model

Tong Ning, Tobias Nilsson, Jan Johansson et al

2008.10

Poster (konferens)

2008

The impact of the electromagnetic environment of the antenna on GPS

Tong Ning, Tobias Nilsson, Jan Johansson et al

2008.05

Poster (konferens)

2008

The impact of the electromagnetic environment of the antenna on GPS

Tong Ning, Jan Johansson, Gunnar Elgered

2008.04

Poster (konferens)

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