Thomas Hobiger
Showing 60 publications
2019
Position determination of the Chang’e 3 lander with geodetic VLBI
Grzegorz Klopotek, Thomas Hobiger, Rüdiger Haas et al
Earth, Planets and Space. Vol. 71 (1)
Journal article
2019
Real-time sea-level monitoring using Kalman filtering of GNSS-R data
Joakim Strandberg, Thomas Hobiger, Rüdiger Haas
GPS Solutions. Vol. 23
Journal article
2018
Software defined radio for ground and airborne GNSS reflectometry
Thomas Hobiger, Joakim Strandberg, Reto Gähwiler et al
European Navigation Conference 2018, p. 49-50
Paper in proceedings
2018
Inverse modeling of reflected GNSS signals for measurement of the environment
Joakim Strandberg, Thomas Hobiger, Rüdiger Haas
Proceedings of the European Navigation Conference 2018 (ENC 2018): Abstracts and Technical Papers , p. 99-100
Paper in proceedings
2018
VLBI with GNSS signals on intercontinental baselines
Rüdiger Haas, Thomas Hobiger, Grzegorz Klopotek et al
Paper in proceedings
2018
Towards Real-Time GNSS Reflectometry Using Kalman Filtering
Joakim Strandberg, Thomas Hobiger, Rüdiger Haas
IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium, p. 2043-2046
Paper in proceedings
2018
Geodetic VLBI with an artificial radio source on the Moon: a simulation study
Grzegorz Klopotek, Thomas Hobiger, Rüdiger Haas
Journal of Geodesy. Vol. 92 (5), p. 457-469
Journal article
2017
Identifying optimal tag-along station locations for improving VLBI Intensive sessions
Niko Petteri Kareinen, Grzegorz Klopotek, Thomas Hobiger et al
Earth, Planets and Space. Vol. 69 (1), p. 16-
Journal article
2017
The Onsala Twin Telescopes Project
Gunnar Elgered, Rüdiger Haas, John Conway et al
The 23rd Working Meeting of the European VLBI Group for Geodesy and Astrometry (EVGA), Gothenburg, May 14–18, 2017
Conference poster
2017
Onsala Space Observatory – IVS Network Station Activities during 2015–2016
Rüdiger Haas, Thomas Hobiger, Gunnar Elgered et al
Report
2017
The Onsala Twin Telescopes: the Status at the Time for the Inauguration
Gunnar Elgered, Rüdiger Haas, John Conway et al
Proceedings of the 23rd European VLBI Group for Geodesy and Astrometry Working Meeting, p. 136-139
Conference contribution
2017
Inverse modeling of ground-based GNSS-r - Results and new possibilities
Thomas Hobiger, Joakim Strandberg, Rüdiger Haas
International Geoscience and Remote Sensing Symposium (IGARSS). Vol. 2017-July, p. 2671-2681
Paper in proceedings
2017
VLBI With GNSS-signals on an Intercontinental Baseline – A progress report
Rüdiger Haas, Thomas Hobiger, Grzegorz Klopotek et al
Proceedings of the 23rd European VLBI Group for Geodesy and Astrometry Working Meeting, p. 117-121
Conference contribution
2017
Implementation of VLBI Near-Field Delay Models in the c5++ Analysis Software
Grzegorz Klopotek, Thomas Hobiger, Rüdiger Haas
Proceedings of the First International Workshop on VLBI Observations of Near-field Targets, October 5 - 6, 2016, A. Nothnagel and F. Jaron (eds.). Vol. 54, p. 29-33
Conference contribution
2017
Atmospheric Signal Propagation
Thomas Hobiger, Norbert Jakowski
Springer Handbook of Global Navigation Satellite Systems, p. 165-193
Book chapter
2017
Coastal Sea-Level Measurements Based on GNSS-R Phase Altimetry: A Case Study at the Onsala Space Observatory, Sweden
Wei Liu, Jamila Beckheinrich, Maximilian Semmling et al
IEEE Transactions on Geoscience and Remote Sensing. Vol. 55 (10), p. 5625-5636
Journal article
2017
Coastal Sea Ice Detection Using Ground-Based GNSS-R
Joakim Strandberg, Thomas Hobiger, Rüdiger Haas
IEEE Geoscience and Remote Sensing Letters. Vol. 14 (9), p. 1552-1556
Journal article
2017
The processing of single differenced GNSS data with VLBI software
Y. Kwak, Johannes Böhm, Thomas Hobiger et al
International Association of Geodesy Symposia. Vol. 146, p. 39-46
Paper in proceedings
2017
Combination of space geodetic techniques on the observation level with c5++: Common nuisance parameters and dataweighting
Thomas Hobiger, Toshimichi Otsubo
International Association of Geodesy Symposia. Vol. 146, p. 31-37
Paper in proceedings
2017
Lunar Observations and Geodetic VLBI – A Simulation Study
Grzegorz Klopotek, Thomas Hobiger, Rüdiger Haas
Proceedings of the 23rd European VLBI Group for Geodesy and Astrometry Working Meeting, p. 122-126
Conference contribution
2016
Hard and Software Tools for the Education of Geodetic VLBI
Thomas Hobiger, Rüdiger Haas, Eskil Varenius
IVS 2016 General Meeting Proceedings "New Horizons with VGOS" (NASA/CP-2016-219016), p. 234-238
Conference contribution
2016
Ultra-rapid earth rotation determination with VLBI during CONT11 and CONT14
Rüdiger Haas, Thomas Hobiger, Shinobu Kurihara et al
Journal of Geodesy. Vol. 91 (7), p. 831-837
Journal article
2016
Effective expansion of satellite laser ranging network to improve global geodetic parameters
Toshimichi Otsubo, Koji Matsuo, Yuichi Aoyama et al
Earth, Planets and Space. Vol. 68 (1)
Journal article
2016
Combination of Two Radio Space-Geodetic Techniques with VieVS during CONT14
Younghee Kwak, Johannes Böhm, Thomas Hobiger et al
IVS 2016 General Meeting Proceedings "New Horizons with VGOS" (NASA/CP-2016-219016), p. 265-269
Conference contribution
2016
Robust Ambiguity Estimation for an Automated Analysis of the Intensive Sessions
Niko Petteri Kareinen, Thomas Hobiger, Rüdiger Haas
IVS 2016 General Meeting Proceedings "New Horizons with VGOS" ((NASA/CP-2016-219016)), p. 198-202
Conference contribution
2016
Ground-based GNSS-R solutions by means of software defined radio
Thomas Hobiger, Rüdiger Haas, Joakim Strandberg
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2016). Beijing; China; 10-15 July 2016. Vol. 2016-November, p. Art no 7730472, Pages 5635-5637
Paper in proceedings
2016
Results from the VLBI Analysis Software Comparison Campaign 2015
Grzegorz Klopotek, Thomas Artz, Antoine Bellanger et al
IVS 2016 General Meeting Proceedings "New Horizons with VGOS". Edited by Dirk Behrend, Karen D. Baver, and Kyla L. Armstrong, NASA/CP-2016-219016, p. 203-207
Conference contribution
2016
Improving GNSS-R sea level determination through inverse modeling of SNR data
Joakim Strandberg, Thomas Hobiger, Rüdiger Haas
Radio Science. Vol. 51 (8), p. 1286-1296
Journal article
2016
Software-Defined Radio Direct Correlation GNSS Reflectometry by Means of GLONASS
Thomas Hobiger, Rüdiger Haas, Johan Löfgren
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. Vol. 9 (10), p. 4834-4842
Journal article
2016
Automated ambiguity estimation for VLBI Intensive sessions using L1-norm
Niko Petteri Kareinen, Thomas Hobiger, Rüdiger Haas
Journal of Geodynamics. Vol. 102, p. 39-46
Journal article
2016
Hard- and software tools for the education of Geodetic VLBI
Thomas Hobiger, Rüdiger Haas, Eskil Varenius
9th IVS General Meeting, March 2016, Johannesburg, South Africa
Conference poster
2016
Inverse modelling of GNSS multipath for sea level measurements - initial results
Joakim Strandberg, Thomas Hobiger, Rüdiger Haas
Proceedings of the International Geoscience and Remote Sensing Symposium (IGARSS) Volume 2016-November, 1 November 2016, Article number 7729479, Pages 1867-1869 36th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016; Beijing; China; 10 - 15 July 2016. Vol. 2016-November, p. 1867-1869
Paper in proceedings
2015
GLONASS-VLBI: Onsala-Wettzell test observations
Rüdiger Haas, Thomas Hobiger, Andreas Hellerschmied et al
Proceedings of the 22nd European VLBI Group for Geodesy and Astrometry Working Meeting, p. 107-111
Conference contribution
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
Book chapter
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
Book chapter
2015
Observation Level Combination of GNSS and VLBI with VieVS: a simulation based on CONT11
Younghee Kwak, Johannes Böhm, Thomas Hobiger et al
AGU FALL MEETING
Conference poster
2015
Combining GPS and VLBI for inter-continental frequency transfer
Thomas Hobiger, Carsten Rieck, Rüdiger Haas et al
Metrologia. Vol. 52 (2), p. 251-261
Journal article
2015
Automated analysis of Kokee–Wettzell intensive sessions
Niko Petteri Kareinen, Thomas Hobiger, Rüdiger Haas
Proceedings of the 22nd European VLBI Group for Geodesy and Astrometry Working Meeting, p. 235-239
Conference contribution
2015
Combining VLBI and GPS for inter-continental frequency transfer
Thomas Hobiger, Carsten Rieck, Rüdiger Haas et al
Proceedings of the 22nd European VLBI Group for Geodesy and Astrometry Working Meeting, p. 245-248
Conference contribution
2015
Combining VLBI and GPS for inter-continental frequency transfer
Thomas Hobiger, Carsten Rieck, Rüdiger Haas et al
22nd European VLBI for Geodesy and Astrometry (EVGA) Working Meeting
Conference poster
2015
Automated analysis of Kokee–Wettzell Intensive VLBI sessions—algorithms, results, and recommendations
Niko Petteri Kareinen, Thomas Hobiger, Rüdiger Haas
Earth, Planets and Space. Vol. 67 (181)
Journal article
2015
Assessing the Impact of Global GNSS-VLBI Hybrid Observations
Younghee Kwak, Johannes Böhm, Thomas Hobiger et al
European Geosciences Union General Assembly 2015
Conference poster
2015
Contributions of Onsala Space Observatory to GGOS
Rüdiger Haas, Gunnar Elgered, Thomas Hobiger et al
Proceedings of the 22nd European VLBI Group for Geodesy and Astrometry Working Meeting, p. 125-129
Conference contribution
2014
GLONASS-R: GNSS reflectometry with an FDMA based satellite navigation system
Thomas Hobiger, Rüdiger Haas, Johan Löfgren
Radio Science. Vol. 49 (4), p. 271-282
Journal article
2014
Combination of GPS and VLBI on the observation level during CONT11—common parameters, ties and inter-technique biases
Thomas Hobiger, Toshimichi Otsubo
Journal of Geodesy. Vol. 88 (11), p. 1017-1028
Journal article
2014
On the Analysis of VLBI Observations to GNSS Satellites
Younghee Kwak, Johannes Boehm, Thomas Hobiger et al
IAG Commission 1 Symposium 2014: Reference Frames for Applications in Geosciences (REFAG2014), 13-17 October, 2014 Kirchberg, Luxemburg
Conference poster
2013
4-station ultra-rapid EOP experiment with e-VLBI technique and automated correlation/analysis
Shinobu Kurihara, Kentarou Nozawa, Rüdiger Haas et al
Reports of the Finnish Geodetic Institute, Proceedings of the 21st Meeting of the European VLBI Group for Geodesy and Astronomy, Ed. by N. Zubko and M. Poutanen Kirkkonummi. Vol. 2013:1 (1), p. 233-236
Conference contribution
2013
Troposphere delays from space geodetic techniques, water vapor radiometers, and numerical weather models over a series of continuous VLBI campaigns
K. Teke, T. Nilsson, Johannes Böhm et al
Journal of Geodesy. Vol. 87 (10-12), p. 981-1001
Journal article
2012
Organization, Correlation, and First Results of CONT11
Dirk Behrend, Cynthia Thomas, Ed Himwich et al
Poster at the IVS General Meeting 2012, Madrid
Conference poster
2012
Zenith troposphere delays and gradients from VLBI, GNSS, DORIS, water vapor radiometer, and numerical weather models during continuous VLBI campaigns
Kamil Teke, Tobias Nilsson, Johannes Böhm et al
AGU Fall Meeting 2012
Conference poster
2012
Consistent height transformations between geodetic and meteorologic reference systems
Thomas Hobiger, Johannes Böhm, Jean-Paul Boy et al
AGU Fall Meeting 2012, San Francisco
Conference poster
2012
Fully automated multi-baseline ambiguity resolution and analysis
Thomas Hobiger, Toshimichi Otsubo, Mamoru Sekido et al
Poster at the IVS General Meeting 2012, Madrid
Conference poster
2011
Multi-technique comparison of troposphere zenith delays and gradients during CONT08
K. Teke, Johannes Böhm, T. Nilsson et al
Journal of Geodesy. Vol. 85 (7), p. 395-413
Journal article
2011
Near real-time monitoring of UT1 with geodetic VLBI
Rüdiger Haas, Thomas Hobiger, Mamoru Sekido et al
Proceedings of the 20th Meeting of the European VLBI Group for Geodesy and Astrometry, p. 64-66
Conference contribution
2010
Ultra-raid dUT1 Measurements on Japan-Fenoscandian Baselines - Application to 24-hour Sessions
Shigeru Matsuzaka, Shinobu Kurihara, Mamoru Sekido et al
Proceedings of the 6th IVS General Meeting, p. 143-147
Conference contribution
2010
Ultra-Rapid DUT1-Observations with E-VLBI
Rüdiger Haas, Mamoru Sekido, Thomas Hobiger et al
Artificial Satellites. Vol. 45 (2 / 2010), p. 75-79
Paper in proceedings
2010
Ultra rapid dUT1 estimations from e-VLBI sessions
Yasuhiro Koyama, Tetsuro Kondo, Mamoru Sekido et al
Advances in Geosciences: Volume 20: Solid Earth (SE); World Scientific Publishing Company. Vol. 20, p. 197-204
Paper in proceedings
2009
Design Aspects of the VLBI2010 System
Bill Petrachenko, Arthur Niell, Dirk Behrend et al
Report
2009
Progress Report of the IVS VLBI2010 Committee
Bill Petrachenko, Arthur Niell, Dirk Behrend et al
In: International VLBI Service for Geodesy and Astrometry 2008 Annual Report, edited by D. Behrend and K. Baver. Vol. NASA/TP-2009-214183, 2009, p. 13-67
Magazine article
2008
Development of e-VLBI Technologies for Ultra-rapid UT1 Measurement
Mamoru Sekido, Tetsuro Kondo, Jan Wagner et al
NICT Technology Development Center News. Vol. 29, p. 28-30
Magazine article
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