Tong Ning

Visar 37 publikationer

2017

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

Peter Forkman, Gunnar Elgered, Tong Ning
The 23rd Working Meeting of the European VLBI Group for Geodesy and Astrometry (EVGA)
Poster (konferens)
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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2017

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

Peter Forkman, Gunnar Elgered, Tong Ning
Proceedings of the 23rd European VLBI Group for Geodesy and Astrometry Working Meeting, p. 65-69
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
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

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 Network Station Activities during 2014

Rüdiger Haas, Gunnar Elgered, Johan Löfgren et al
International VLBI Service for Geodesy and Astrometry 2014 Annual Report, p. 98-101
Kapitel i bok
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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2014

Onsala Space Observatory – IVS Network Station Activities During 2013

Rüdiger Haas, Gunnar Elgered, 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. 151-154
Kapitel i bok
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
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

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

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

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

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

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
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
Artikel i vetenskaplig tidskrift
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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
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

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
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

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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2011

Onsala Space Observatory - IVS Network Station

Rüdiger Haas, Gunnar Elgered, Johan Löfgren et al
International VLBI Service for Geodesy and Astrometry 2010 Annual Report, edited by D. Behrend and K.Baver (NASA/TP-2011-215880), p. 75-78
Kapitel i bok
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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
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

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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
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

Validation of climate models using European ground-based GNSS observations

Gunnar Elgered, R. 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
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
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)
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)

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