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

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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