Publications 

Publications





In preparation:

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Under review:

Gotoh T., Amagai J., Hobiger T., Fujieda M., Aida M., Development of a GPU Based Two-way Time Transfer Modem, submitted to IEEE Transactions on Instrumentation and Measurement, 2010.

木下 陽平, Hobiger Thomas, 古屋 正人, 市川 隆一, 高分解能数値気象モデルと波線追跡法によるInSARデータの対流圏遅延の低減について, 測地学会誌, 2010.

Teke K., Boehm J., Nilsson T., Schuh H., Steigenberger P., Dach R., Heinkelmann R., Willis P., Haas R., Espada S.G., Hobiger T., Ichikawa R., Shimizu S., Multi-technique comparison of troposphere zenith delays and gradients during CONT08, submitted to Journal of Geodesy, 2010.

Accepted:

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Published:

Please click here for a complete list of published papers. You can also download a comprehensive list of all published papers or get a list of all reviewed papers.



Oral presentations (only first authored listed)

[39] ホビガートーマス, 市川隆一, 小山泰弘, 近藤哲朗, 宇宙測地技術の大気遅延除去を目的とした大気屈折４次元構造のハイブリッド推定, 日本地球惑星科学連合2010年大会, 平成22年5月23－28日, 幕張

[38] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Ray-tracing and high resolution numerical weather models, Workshop on Ray-Tracing for Space Geodetic Techniques, April 29-30, 2010, Vienna, Austria.

[37] Hobiger T., Gotoh T., Amagai J., Kondo T., Koyama Y., GPU based GNSS software receivers - status quo and plans, 9th IVS TDC Symposium, Mar. 12, 2010, Kashima, Japan.

[36] Hobiger T., Otsubo T., Gotoh T., Kubooka T., Sekido M., Takiguchi H., Takeuchi H., Automated processing of VLBI experiments with c5++, 9th IVS TDC Symposium, Feb. 18, 2009, Kashima, Japan.

[35] Hobiger T., Kimura M., Takefuji K., Oyama T., Koyama Y., Kondo T., Gotoh T., Amagai J. GPU Based Software Correlators - Perspectives for VLBI2010, Sixth IVS General Meeting, Feb 6-13, 2010, Hobart, Tasmania, Australia.

[34] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Ray-traced troposphere slant delays from numerical weather models as corrections on the observation level –status and outlook, GGOS Unified Analysis Workshop, Dec. 11-12, 2009, San Francisco, CA, USA.

[33] ホビガートーマス, 木下陽平, 市川隆一, 清水慎吾, 古屋正人, 小山泰弘, 近藤哲朗, InSARにおける高精度大気伝搬遅延補正の重要性について, 第112回日本測地学会講演会, 平成２１年１１月４－６日, つくば.

[32] Hobiger T., Gotoh T., Amagai J., Kondo T., Koyama Y., A real-time GPS software receiver running on the GPU, Harvard-Riken Joint Symposium: Application of GPU Computation to Brain Science, Quantum Science, Astronomy, Fluid Dynamics and other sciences, August 28-29, 2009, Tokyo, Japan.

[31] Hobiger T., Furuya M., Kinoshita Y., Ichikawa R., Koyama Y., Ray-traced troposphere slant delays from numerical weather models as corrections for InSAR, IEEE International Geoscience and Remote Sensing Symposium, July 11-17, 2009, Cape Town, South Africa.

[30] Hobiger T., Gotoh T., Amagai J., Kondo T., Koyama Y., Development of a GPS software receiver running on an off-the-shelf graphics board, 7th Meeting of the Society for Precise Frequency Measurement, June 17th, 2009, Koganei, Japan.

[29] Hobiger T., Ichikawa R., Shimada S., Shimizu S., Koyama Y., Kondo T., Numerical Weather Models for the Correction of Troposphere Delays of Space Geodetic Techniques - Prerequisites and Applications, Meteorological Society of Japan - Spring Meeting 2009, May 28-31, 2009, Tsukuba International Congress Center, Tsukuba, Japan.

[28] Hobiger T., Shimada S., Shimizu S., Ichikawa R., Computation of GNSS troposphere slant delay corrections based on fine-mesh numerical weather models, Japan Geoscience Union Meeting, May 16-21, 2009 Makuhari Messe, Chiba, Japan.

[27] Hobiger T., Shimada S., Shimizu S., Ichikawa R., Fine-mesh numerical weather models for modeling of GNSS troposphere slant delays, EGU General Assembly 2009, Apr. 20-24, 2009, Vienna, Austria.

[26] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Computation of troposphere slant delays on a GPU, EGU General Assembly 2009, Apr. 20-24, 2009, Vienna, Austria.

[25] Hobiger T., Gotoh T., Amagai J., Koyama Y., Kondo T., A GPU based multi-channel real-time GNSS software receiver, IEICE General conference, Mar. 17-20, 2009, Matsuyama, Japan.

[24] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Accelerating the computation of ray-traced troposphere delays by GPUs, 8th IVS TDC Symposium, Feb. 18, 2009, Kashima, Japan.

[23] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Kashima Ray-tracing Service (KARATS) - On-line provision of total troposphere slant delay corrections for East Asian sites, International Symposium on GPS/GNSS 2008, Nov. 11-14, 2008, Tokyo, Japan

[22] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Kashima Ray-tracing Service (KARATS) - Online provision of ray-traced troposphere slant delays for space-geodetic applications in East Asia, Japan Geodetic Society Meeting, Oct. 22-24, 2008, Hakodate, Japan.

[21] Hobiger T., Ichikawa R., Takasu T., Koyama Y., Kondo T., Ray-traced troposphere slant delays for precise point positioning, Japan Geoscience Union Meeting, May 25-30, 2008 Makuhari Messe, Chiba, Japan.

[20] Hobiger T., Ichikawa R., Takasu T., Koyama Y., Kondo T., Ray-traced troposphere slant delays for precise point positioning, EGU General Assembly 2008, Vienna, Austria (invited).

[19] Hobiger T., Ichikawa R., Ray-traced tropospheric total slant delays for GNSS processing, Discussion meeting at the Japanese Meteorological Agency, Feb. 18, 2008, Tokyo, Japan.

[18] Hobiger T., Sekido M., Koyama Y., Kondo T., Integer least-squares adjustment for VLBI, 7th IVS TDC Symposium, Feb. 15, 2008, Kashima, Japan.

[17] Hobiger T., Ichikawa R., Hatanaka Y., Yutsudo T., Iwashita C., Miyahara B., Koyama Y., Kondo T., Ray-traced tropospheric total slant delays for GNSS processing, AGU Fall meeting, December 10-14, 2007, San Francisco, CA, USA.

[16] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Constrained simultaneous algebraic reconstruction technique (CSART) a new and simple algorithm for ionospheric tomography, Japan Geoscience Union Meeting, May 19-24, 2007 Makuhari Messe, Chiba, Japan.

[15] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Fast ray-tracing for real-time positioning applications using numerical weather models, Japan Geoscience Union Meeting, May 19-24, 2007 Makuhari Messe, Chiba, Japan

[14] Hobiger T., Kondo T., Koyama Y., Constrained simultaneous algebraic reconstruction technique (CSART) a new and simple algorithm for ionospheric tomography EGU General Assembly 2007, Vienna, Austria.

[13] Hobiger T., Ichikawa R., Koyama Y., Kondo T., KAshima RAy-Tracing Service (KARATS) - Fast ray-tracing through numerical weather models for real-time positioning applications in East Asia, 18th European VLBI for Geodesy and Astrometry (EVGA) Working Meeting, April 12-13, 2007, Vienna, Austria.

[12] Hobiger T., Ichikawa R., Koyama Y., Kondo T., KAshima RAy-Tracing Service (KARATS) - Fast ray-tracing through numerical weather models for real-time positioning applications, Working and discussion meeting at Geodetic Survey Institute of Japan, March 22, 2007, Tsukuba, Japan (invited).

[11] Hobiger T., Ichikawa R., Koyama Y., Kondo T., KAshima RAy-Tracing Service (KARATS) - Fast ray-tracing through numerical weather models for real-time positioning applications, 6th IVS TDC Symposium, March 3, 2007, Kashima, Japan.

[10] Hobiger T., Kondo T., Koyama Y., Probing the ionosphere by means of VLBI, VLBI Consortium Symposium, December 25 - 27, 2006, Kagoshima, Japan.

[9] Hobiger T., Kondo T., Schuh H., Detection of short period ionosphere variations by VLBI, European Geosciences Union, General Assembly, 2 - 7 April 2006, Vienna, Austria.

[8] Hobiger T., Kondo T., Schuh H., VLBI as a tool to probe the ionosphere, European Geosciences Union, General Assembly, 24 - 29 April 2005, Vienna, Austria.

[7] Hobiger T., Kondo T., Schuh H., Estimation of absolute TEC values by VLBI, 16th Working Meeting on European VLBI for Geodesy and Astrometry, 21-23 April, 2005, Noto, Italy.

[6] Hobiger T., Observing the ionosphere by means of VLBI, VERA workshop, January 19-20, 2005, National Astronomical Observatory of Japan, Mitaka, Tokyo, Japan (invited).

[5] Hobiger T., Schuh H., How VLBI Contributes to Ionospheric Research, Third IVS General Meeting February 9-11, 2004, Ottawa, Canada.

[4] Hobiger T., Aufbau und Bestimmung der Ionosphaere, Trends in der oesterreichischen Forschung - Vortragsreihe, 8. Oesterreichischer Geodaetentag, 8. - 11. April 2003, Wels (invited).

[3] Hobiger T., J. Boehm,S. Todorova, H. Schuh, The project "VLBIonos" - how VLBI contributes to ionospheric research, 16th Working Meeting on European VLBI for Geodesy and Astrometry, 9-10 May 2003, Leipzig, Germany.

[2] Hobiger T., Boehm J., Schuh H., VLBIONOS - Probing the ionosphere by means of very long baseline interferometry, IUGG 2003 General Assembly, June 30 - July 11 2003, Sapporo, Japan.

[1] Hobiger T., Boehm J., Schuh H., Determination of Ionospheric Parameters by Geodetic VLBI, Second IVS General Meeting, February 4-7, 2002,Tsukuba, Japan




Poster presentations (only first authored listed)

[29] Hobiger T., Sekido M., Kurihara S., Kokado K., Nozawa K., Haas R., Koyama Y., Kondo T., Ichikawa R., Takiguchi H., Ritakari J., Wagner J., Uunila M., Molera G., Towards automated processing of VLBI UT1 sessions, 2010 The Meeting of the Americas, Aug. 8-12, 2010, Foz do Iguacu, Brazil

[28] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Troposphere slant delay corrections from numerical weather models - status and outlook, EGU General Assembly 2010, May 2-7, 2010, Vienna, Austria.

[27] Hobiger T., Otsubo T., Gotoh T., Kubooka T., Sekido M., Takiguchi H., Takeuchi H., Automated processing of VLBI experiments with c5++, 9th IVS TDC Symposium, Mar. 12, 2010, Kashima, Japan.

[26] Hobiger T., Otsubo T., Gotoh T., Kubooka T., Sekido M., Takiguchi H., Takeuchi H., c5++ Multi-technique Analysis Software for Next Generation Geodetic Instruments, Sixth IVS General Meeting, Feb 6-13, 2010, Hobart, Tasmania, Australia.

[25] Hobiger T., Boehm J., Ichikawa R., Koyama Y., Kondo T., Ichikawa R., Proper treatment of VLBI reference station clock-offsets and their effect on UT1 estimates, Jap. Geodetic Society meeting, Nov. 4-6, 2009, Tsukuba, Japan

[24] Hobiger T., Boehm J., Ichikawa R., Kondo T., Koyama Y., Pany A., Schuh H., Teke K., Neutral atmosphere delays and UT1 determination from VLBI Intensive sessions, Jap. Geodetic Society meeting, Nov. 4-6, 2009, Tsukuba, Japan

[23] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Computation of atmosphere delay corrections on the GPU, Jap. Geodetic Society meeting, Nov. 4-6, 2009, Tsukuba, Japan

[22] Hobiger T., Gotoh T., Amagai J., Kondo T., Koyama Y., A real-time GPS software receiver running on the GPU, Jap. Geodetic Society meeting, Nov. 4-6, 2009, Tsukuba, Japan

[21] Hobiger T., Boehm J., Ichikawa R., Koyama Y., Kondo T., Ichikawa R., Proper treatment of VLBI reference station clock-offsets and their effect on UT1 estimates, IERS Workshop on EOP Combination and Prediction, Oct. 19-21, Warsaw, Poland

[20] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Computation of atmospheric delay corrections on GPUs, GPU Technology Conference, Sep.30-Oct.2, 2009, San Jose, USA.

[19] Hobiger T., Gotoh T., Amagai J., Kondo T., Koyama Y., A real-time GPS software receiver running on the GPU, GPU Technology Conference, Sep.30-Oct.2, 2009, San Jose, USA.

[18] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Computation of atmospheric delay corrections on GPUs, Harvard-Riken Joint Symposium: Application of GPU Computation to Brain Science, Quantum Science, Astronomy, Fluid Dynamics and other sciences, August 28-29, 2009, Tokyo, Japan.

[17] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Provision of real-time troposphere delay corrections by utliziation of general purpose graphics processing units, IEEE International Geoscience and Remote Sensing Symposium, July 11-17, 2009, Cape Town, South Africa.

[16] Hobiger T., Gotoh T., Amagai J., Koyama Y., A multi-channel real-time GNSS software receiver using a general purpose graphics processing unit, Japan Geoscience Union Meeting, May 16-21, 2009 Makuhari Messe, Chiba, Japan.

[15] Hobiger T., Gotoh T., Amagai J., Koyama Y., A multi-channel real-time GNSS software receiver using a general purpose graphics processing unit, EGU General Assembly 2009, Apr. 20-24, 2009, Vienna, Austria.

[14] Hobiger T., Sekido M., Koyama Y., Kondo T., Integer phase ambiguity estimation in next generation Very Long Baseline Interferometry, Japan Geodetic Society Meeting, Oct. 22-24, 2008, Hakodate, Japan.

[13] Hobiger T., Koyama Y., Kondo T., MK3TOOLS - seamless interfaces for the creation of VLBI databases from post-correlation output, 5th IVS General Meeting, 3-6 March 2008, St. Petersburg, Russia.

[12] Hobiger T., Ichikawa R., Koyama Y., Kondo T., Real-time ray-tracing through numerical weather models for space geodesy, 7th IVS TDC Symposium, Feb. 15, 2008, Kashima, Japan.

[11] Hobiger T., Ichikawa R., Hatanaka Y., Yutsudo T., Iwashita C., Miyahara B., Koyama Y., Kondo T., Ray-traced atmospheric total slant delays for GEONET processing, Japanese Geodetic Society meeting, November 7-9, 2007, Kiikatsuura, Japan.

[10] Hobiger T., Kondo T., Koyama Y., MK3TOOLS & NetCDF - storing VLBI data in a machine independent array oriented data format, 18th European VLBI for Geodesy and Astrometry (EVGA) Working Meeting, April 12-13, 2007, Vienna, Austria.

[9] Hobiger T., Kondo T., Schuh H., Time series of vertical total electron content from VLBI, European Geosciences Union, General Assembly, 2 - 7 April 2006, Vienna, Austria.

[8] Hobiger T., Kondo T., Schuh H., VLBI as a tool to probe the ionosphere, 4th IVS General Meeting, 9-11 January, 2006, Concepcion, Chile.

[7] Hobiger T., Kondo T., Takashima K., Schuh H., Detection of short period ionospheric variations from VLBI fringe phases, 4th IVS General Meeting, 9-11 January, 2006, Concepcion, Chile.

[6] Hobiger T., Kondo T., Schuh H., Time series of vertical total electron content from VLBI, European Geosciences Union, General Assembly, 24 - 29 April 2005, Vienna, Austria.

[5] Hobiger T., Kondo T., Schuh H., How VLBI Can Contribute To Ionospheric Research, AGU Fall Meeting, 13-17 December, 2004, San Francisco, USA.

[4] Hobiger T., Schuh H., Comparison of vertical total electron content values obtained by different space geodetic techniques, Pan Ocean Remote Sensing Conference 2004 (PORSEC), 29 Nov. - 3 Dec., 2004, Concepcion, Chile.

[3] Hobiger T., Schuh H., Comparison of vertical total electron content values obtained by different space geodetic techniques, 35th COSPAR Scientific Assembly, 18-25 July, 2004, Paris, France.

[2] Hobiger T., Todorova S., Schuh H., Ionospheric Parameters Obtained by Different Space Geodetic Techniques During CONT02, 3rd IVS General Meeting, 9-11 February, 2004, Ottawa, Canada.

[1] Hobiger T., Schuh H., Modeling Vertical Total Electron Content from VLBI Observations, 3rd IVS General Meeting, 9-11 February, 2004, Ottawa, Canada.