Jon Glenn Omholt Gjevestad

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1 Jon Glenn Omholt Gjevestad Contact Information Research Interests Education Academic Experience Professional Experience Department of Mathematical Sciences and Technology Phone: (+47) University of Life Sciences Fax: (+47) P.O. Box 5003 ÅS NORWAY WWW: Born: November 9., 1969 Global Navigation Satellite Systems (GNSS), Ambiguity Resolution, Precise Point Positioning (PPP), Inertial Navigation Systems (INS), Gravimetry, Mathematics and Signal Processing. Norwegian University of Science and Technology, Trondheim, NORWAY Department of Electronics and Telecommunications Dr.Ing., Radionavigation, June Dissertation title : Real-Time Phase Ambiguity Resolution in Global Navigation Satellite Systems Trial lecture : The Use of Satellite Navigation Systems for Timing and Frequency Reference Purposes Supervisor: Professor Börje Forssell. Department of Geomatics Siv.Ing, Geodesy, December Master thesis: GPS applied to seabed mapping University of Life Sciences, UMB, Ås, NORWAY Professor Research, Ph.D. and Masters level coursework and research/consulting projects. June, present Norwegian University of Science and Technology, NTNU, Trondheim, NORWAY Department of Electronics and Telecommunications Professor II January, present Research, Ph.D. and Masters level coursework and research/consulting projects. University of Life Sciences, UMB, Ås, NORWAY Associate Professor July, June, 2011 Research, Ph.D. and Masters level coursework and research/consulting projects. Gjøvik University College, Gjøvik, NORWAY Assistant Professor July, July, 1998 Coursework and research/consulting projects. Petroleum Geo Services Navigation data analyst June, July, 1995 Postprocessing and quality control (QC) of navigation solutions of various sensors in marine seismic cable networks.

2 Scientific Publications 1. Pettersen, B.R, Bilker-Koivula, M., Breili, K., Engfeldt, A., Falk, R., Gitlein, O., Gjevestad, J.G, Hoppe, W., Lysaker, D.I., Mäkinen, J., Omang, O.C.D, Reinhold, A., Timmen, L. (5) - An accuracy assessment of absolute gravimetric observations in Fennoscandia, Nordic Journal of Surveying and Real Estate Research, Kjørsvik, N., Gjevestad J.G., Brøste, E. Gade, K., Hagen, O-K. - Tightly Coupled Precise Point Positioning And Inertial Navigation Systems, International Calibration and Orientation Workshop, EuroCOW 2010, February , Castelldefels, Spain. 3. Breili, K., Gjevestad, J.G., Lysaker, D.I., Omang, O.C.D., and Pettersen, B.R. - Absolute gravity values in Norway, Submitted Norwegian Journal of Geography, May Næsset, E. and Gjevestad, J.G. - Performance of GPS precise point positioning under conifer forest canopies, Photogrammetric Engineering and Remote Sensing, p vol. 74, Kjørsvik, N., Øvstedal, O., Gjevestad, J.G. - Kinematic Precise Point Positioning during marginal satellite availability, Proceedings of IUGG XXIV General Assembly, Perugia, Italy, Gjevestad, J.G., Øvstedal, O., Kjørsvik, N. - Contribution of GLONASS and GALILEO to Kinematic GPS Precise Point Positioning, Proceedings of the Satellite Division Technical Meeting ION GNSS 2007, Ft Worth, Texas, USA, Gjevestad, J.G. et.al. - En forundersøkelse av kombinert GPS, GLONASS og GALILEO for kinematisk presis punktbestemmelse (PPP), Kart og Plan nr. 2, Lysaker, D.I., et.al. - Ocean tide loading along the Norwegian coast, European Geosciences Union General Assembly 2007, Wien, Austria, Øvstedal, O., Kjørsvik, N., Gjevestad, J.G. - Surveying using GPS Precise Point Positioning, XXII International FIG Congress, Munich, Germany, Gjevestad, J.G. - Some Properties of Decorrelation Techniques in the Ambiguity Space, GPS Solutions p.40-44, Springer-Verlag, Kjørsvik, N., Gjevestad, J.G., Øvstedal, O. - Handling of the tropospheric delay in kinematic Precise Point Positioning, Proceedings of the Satellite Division Technical Meeting ION GNSS 2006, Ft. Worth, Texas, USA, Timmen, et.al. - Observing Fennoscandian Gravity Change by Absolute Gravimetry, International Association of Geodesy Symposia, vol. 131, Springer-Verlag, Gjevestad, J.G. - Jordskjelvets innvirkning på jordaksens orientering i rommet, Kart og Plan, vol. 65, bind 1, Gjevestad, J.G. - GPS, Aschehoug og Gyldendals store norske leksikon utg., Kunnskapsforlaget, ISBN: Roer, A-G., Olsen G., Gjevestad, J.G. - The tide analyzed by wavelets and classical Fourier methods, Kart og Plan, vol. 65, bind 3, p , Gjevestad, J.G., et.al. - Satellittbasert posisjonsbestemmelse, versjon 2.0, Statens kartverk, Standarder 2003 Geogrask informasjon, 2005.

3 17. Timmen, L., et.al. - Observing Fennoscandian geoid change for GRACE validation, Advances in Geosciences, ISSN , Kjørsvik, N., Øvstedal, O., Gjevestad, J.G., Blankenberg, L.E. - A Multi-Base-Station Approach for Long Range Dierential GNSS Positioning of Airborne Sensors, International Association of Geodesy Symposia, Kjørsvik, N., Radzeviciute, K., Gjevestad, J.G., Øvstedal, O. - A software-based GNSS simulator for research and education, Kart og Plan, vol. 65, Timmen, L. et.al. - Observing Fennoscandian Gravity Change by Absolute Gravimetry, Proceedings from IAG Microgeodesia, 2005, Jaen, Spain, Timmen, L., et.al. - Accuracy of absolute gravity control in Fennoscandia - groundtruth for GRACE, Geophysical Research Abstracts, vol. 7, Gjevestad, J.G., Øvstedal, O., Mathisen, O. - Kvalitetssikring av satellittbaserte eiendomsmålinger - Test av GPS-mottakere januar 2003, Rapport for Jordskifterettene, Gjevestad, J.G. - A Search-Free Approach to Ambiguity Resolution, ION GPS/GNSS 2003 Proceedings, 2003, Portland, Oregon, USA, Kjørsvik, N., Øvstedal, O., Gjevestad, J.G. - Evaluation of a Multi-Base-Station Dierential Approach, Proceedings of the Satellite Division Technical Meeting ION GPS/GNSS 2003, Portland, Oregon, USA, Radzeviciute, K., Øvstedal, O., Gjevestad, J.G., Kjørsvik, N. - A Comparative Evaluation of Various RTK Systems' Performance Under Operational Conditions, Proceedings of the Satellite Division Technical Meeting ION GPS/GNSS 2003, Portland, Oregon, USA, Kjørsvik, N., Øvstedal, O:, Gjevestad, J.G. - Long Range Dierential GNSS for Positioning of Airborne Sensors, XXIII General Assembly of the International Union of Geodesy and Geophysics, IUGG 2003 Abstracts Week A, Sapporo, Japan Kjørsvik, N., Øvstedal, O., Pettersen, B.R., Gjevestad, J.G. - Ionospheric Observations in Southern Norway, Geophysical Research Abstracts, Nice, France, Gjevestad, J.G. - Real-Time Phase Ambiguity Resolution in Global Navigation Satellite Systems, Ph.D. thesis, Department of Electronics and Telecommunications, Norwegian University og Science and Technology, Trondheim, Norway, ISBN: , Conference/ 1. Gjevestad, J.G. - Fremtidens teknologi - GPS og GALILEO, Kommunal geodatakonferanse, Presentations December 7.-8., Sandvika, Oslo, Mäkinen, et.al. - Repeated absolute gravity measurements in the Fennoscandian Postglacial Rebound area: comparison of gravity change with observed vertical motion and with GIA models., EGU 2010, Wienna, Austria, Gjevestad, J.G. - GNSS system description and INS integration, IAIN 13th World Conference 2009 tutorial, October , Stockholm, Sweden, Gjevestad, J.G. - Navigasjon, Geofaglig verktøykasse UMB, 15. oktober Gjevestad, J.G. - GPS fra meter til millimeter, Geologi og paleomiljø, UMB, 5. mars 2009.

4 6. Pettersen, B.R., Breili, K., Gjevestad, J.G., Gerlach, C., Omang, O.D. - Absolute Gravimetry at UMB in Preliminary results obtained with FG5-226., Nordic Geodetic Commission Working Group for Geodynamics, March , Gavle, Sweden, Ryen, Heidi T., Alexanderson, H., Gjevestad, J.G., Jakobsen, L., Landvik, J. - Late Quaternary stratigraphy and ground penetrating radar investigations at Kvadehuksletta, Northwest Svalbard, Conference Poster, Norsk Geologisk Forening (NGF) Vinterkonferansen 2009, October , Bergen, Norway. 8. Ryen, Heidi T., Alexanderson, H., Gjevestad, J.G., Jakobsen, L., Landvik, J. - Late Quaternary stratigraphy and ground penetrating radar investigations at Kvadehuksletta, Northwest Svalbard, Conference Abstract, Norsk Geologisk Forening (NGF) Vinterkonferansen 2009, October , Bergen, Norway. 9. Gjevestad, J.G. - GNSS - System Description and INS Integration, High Precision Navigation and Positioning Conference, Norwegian Space Centre, June Gjevestad, J.G. - Innendørs GNSS - Ytelse og utfordringer, Blinken brukermøte 2008, 9. januar Gjevestad, J.G. - GPS fra meter til millimeter, UMB faglig pedagogisk dag 2008, 3. januar Pettersen, B.R., Breili, K., Gjevestad, J.G., Lysaker, D., Øvstedal, O., Omang, O.D. - Absolute Gravimetry at UMB in Preliminary results obtained with FG5-226., Nordic Geodetic Commission Working Group for Geodynamics, April , Copenhagen, Denmark, Gjevestad, J.G. - Innendørs GNSS, Lokale kartdager Akershus, Ski, 13. september Gjevestad, J.G. - Innendørs GNSS - Ytelse og utfordringer, GeoNorge 2007, Tønsberg, 22. mars Gitlein, O., et.al - Observing Absolute Gravity Acceleration in the Fennoscandian Land Uplift Area, TG-SMM 2007, August , St. Petersburg, Russia, Kjørsvik, N. et.al. - Kinematic Precise Point Positioning for Accurate and Eective Georeferencing, NavConf 2007, Nordic Institute of Navigation, April Copenhagen, Denmark, Gjevestad, J.G. et.al. - Combined GPS, GLONASS and GALILEO for Kinematic Precise Point Positioning (PPP), NavConf 2007, Nordic Institute of Navigation, April , Copenhagen, Denmark, Gjevestad, J.G. - Indoor GNSS - Challenges and Performance, NavConf 2007, Copenhagen Denmark, Gjevestad, J.G. - Bidraget fra GLONASS og GALILEO til kinematisk presis punktbestemmelse med GPS, GH-dagene, november 2007, Hønefoss, Gjevestad, J.G. - FG5 - Basic Concepts, Gravimetry seminar, Onsala Space Observatory, May , Gothenburg, Sweden, Pettersen, B.R., Breili, K., Gjevestad, J.G., Lysaker, D., Omang, O.D. - Absolute Gravimetry at UMB in Preliminary results obtained with FG5-226., Nordic Geodetic Com-

5 mission Working Group for Geodynamics, March , Tallin, Estland, Gjevestad, J.G. - Innendørs GPS - Ytelse og utfordringer, Geodesi og hydrogradagene 2006, november 2006, Stavanger, Gjevestad, J.G. - Innendørs GPS - Ytelse og utfordringer, Geoforum Oslo/Akershus, 23. november 2006, UMB, Timmen, L., et. al. - Observing Fennoscandian geoid change for GRACE validation, CHAMP and GRACE, July 7.-9., Potsdam, Berlin, Germany, Pettersen, B.R., Breili, K., Gjevestad, J.G., Lysaker, D., Omang, O.D. - Absolute Gravimetry at UMB in Preliminary results obtained with FG5-226., Nordic Geodetic Commission Working Group for Geodynamics, March , UMB, Engfeldt, A., et.al. - Observing Absolute Gravity Acceleration in the Fennoscandian Land Uplift Area, 1 st. IGFS General Assembly, Istanbul, Turkey, Gjevestad, J.G. - En introduksjon til referansesystemer og referanserammer, GeoForum 2006, mars 2006, Kristiansand, Øvstedal, O., Gjevestad, J.G. - RTK - mål for pålitelighet, Geodesi og hydrogradagene 2005, november 2005, Hønefoss, Gjevestad, J.G. - The Earthquakes Impact on the Earths Orientation in Space, Fagdag om Tsunami, 12. januar 2005, UMB, Gjevestad, J.G. - Hvordan oppfylle standardens krav ved bruk av RTK, Blinken brukermøte, 11. januar 2005, Oslo, Mäkinen, J., et.al. - Observing Fennoscandian Gravity and Geoid Change with Absolute Gravimetry and GRACE, IAG General Assembly, August , Cairns, Australia, Pettersen, B.R., et.al. - Accuracy Assessment of Absolute Gravity Control in Fennoscandia, Nordic Geodetic Commission Geodynamics Workshop, May , Masala, Finland, Gjevestad, J.G. - Pålitelighet ved bruk av RTK, Powel Gemini brukerkonferanse 2004, 9. februar 2004, Gardermoen, Müller, J., et.al. - Observing Fennoscandian Geoid Change, Geophysical Research Abstracts, April , Nice, France, Müller, J., et.al. - Observing Fennoscandian Geoid Change, American Geophysical Union, May , Montreal, Canada, Pettersen, B.R., et.al. - A brief status report on absolute gravimetry in Norway, NKG WGG Meeting, April , Gavle, Sweden, Pettersen, B.R., et.al. - Observing temporal gravity change in Fennoscandia, Gravity, Geoid and Space Missions, August 31.- September , Porto, Portugal, Timmen, L., et.al. - Observing Fennoscandian Geoid Change for GRACE Validation, Joint CHAMP/GRACE Science Meeting, July , Potsdam, Germany, 2004.

6 39. Gjevestad, J.G. - A Search-Free Approach to Ambiguity Resolution, ION GPS/GNSS 2003, September , Portland, Oregon, USA, Kjørsvik, N., Øvstedal, O:, Gjevestad, J.G. - Long Range Dierential GNSS for Positioning of Airborne Sensors, XXIII General Assembly of the International Union of Geodesy and Geophysics, June 30. -July , Sapporo, Japan Gjevestad, J.G., Øvstedal, O. - Performance of the Observables Derived from Handheld Garmin GPS Receivers, Geodesi- og hydrogradagene 2002, november 2002, Stavanger, Gjevestad, J.G. - Carrier Phase Ambiguity Resolution in the Ambiguity Space, Geodesiog hydrogradagene 2002, november 2002, Stavanger, Gjevestad, J.G. - Ionosfærens eekt på GPS, GH-dagene, Stavanger, Gjevestad, J.G. - Teoretiske betraktninger omkring utjevningsberegninger, GH-dagene, Stavanger, Interviews/ Media Current Research Projects 1. Chapuis, A., Rolstad, C., Gjevestad, J.G. - Isen skjelver, UMB-nytt, nr.2, Gjevestad, J.G. - Maskinen som måler tidejord, Verdens Gang, 15. april Gjevestad, J.G. - Mobilen nner deg, Oktober, Gjevestad, J.G. - Gravimeter - teknologenes petimeter, Gjevestad, J.G. - Innendørs GPS, Østlandets blad, 15. september Gjevestad, J.G. - Innendørs GPS og Da Vinci-koden, Schrødingers katt, NRK, 13. september Gjevestad, J.G. - GPS som på lm, september Gjevestad, J.G. - Mobilen blir nødpeilesender, NRK Rogaland, 13. september Gjevestad, J.G. - Gravimeteret - Teknologenes petimeter, UMB-nytt, 1. september Gjevestad, J.G. - Foucaults pendel ved IMT, juli Gjevestad, J.G. - Nødpeiler på mobilen, Aftenposten A-magasinet fredag 16. juni, Gjevestad, J.G. - Da Vincis GPS, juni, Gjevestad, J.G. - Mot Norge i fantastisk fart, 7. april Project: GNSS/INS Title: Tightly Coupled GNSS/INS Start: Partners: Norwegian Defence Research Establishment (FFI) Project: Gravimetry Title: Fennoscandian Postglacial Rebound Start: Partners: Universität Hannover, Germany

7 Finnish Geodetic Institute, Finland Ph.D. Committee Ph.D. Students Master Students Teaching Experience Candidate: Narve Schipper Kjørsvik Dissertation title: Theory and Applications of Multiple Reference Station Positioning., Committee members: Dr. Lambert Wanninger, Professor, Dresden University of Technology, Germany. Dr. Anna B.O. Jensen, Asc. Professor, Danmarks Tekniske Universitet, Danmark. Dr. Börje Forssell, Professor, Norges Teknisk Naturvitenskapelige Universitet, Norge. Dr. Jon Glenn Gjevestad, Asc. Professor, Universitetet for Miljø og biovitenskap, Norge. (Adminstrator). Date of Defence: July 7., Candidate: Dagny Iren Lysaker Dissertation title: Gravity Investigations at Northern High Latitudes, Committee members: Dr. Jürgen Müller, Professor, Institut für Erdmessung, Leibniz Universität Hannover, Germany. Dr. Gabriel Strykowski, Senior Researcher, DTU Space, Institut for Rumforskning og -teknologi, Danmarks Tekniske Universitet, Danmark. Dr. Jon Glenn Gjevestad, Asc. Professor, Universitetet for Miljø og biovitenskap, Norge. (Adminstrator). Date of Defence: October 23., Candidate: Mohammed Ouassou Title: Real-time GNSS Integrity Implementation for Precise Positioning Supervisor: Dr. Jon Glenn Gjevestad, Asc. Prof., Universitetet for Miljø og biovitenskap, Norge. Co-Supervisor: Dr. Börje Forssell, Professor, Norges Teknisk Naturvitenskapelige Universitet, Norge. Lie, Tore F. - Posisjonering med GNSS og INS, Solberg, Anders M. - Pålitelighet til koordinater bestemt ved hjelp av RTK, Skei, Ingunn - GPS målinger i skog med håndholdte kodemottakere, Valsson, Gudmundur - Transformation between ISN93 and ISN94, Nordvik, Trond - GNSS-simulator for ytingsparametre for RTK målingar med GPS og GALILEO, Skorge, Tor Helge - Absolutt stedfesting med håndholdte GPS mottakere, Roer, Anne Grethe - The Tide analyzed by Wavelets and Classical Fourier methods, I have long time experience giving lectures at the University level, and I have received nomination to the student award Best lecturer at UMB at several occations.

8 I have the responsibility and/or contributed to the following courses: GMLM200 - Applied Land Surveying GMLM211 - Marine Geodesy GMLM213 - Land Surveying - Theory GMSG200 - Satellite Geodesy GMSG210 - Satellite Positioning GMGD210 - Geodetic Measurements GMGD300 - Geodesy Graduate Course GMSG310 - Satellite Geodesy - Analysis GMSG410 - Advanced Application of GPS TTT Navigation Systems (NTNU) Administrative Experience Computer Skills Undervisningsutvalget ved IMT ( ) Tilsettingsutvalget for vitenskapelige stillinger (Vara) In depth knowledge and long time experience with: Linux, UNIX, MS Windows, LATEX, C/C++ and MATLAB. Expert knowledge in scientic GNSS and INS analyzing/processing software such as: - Gamit/GLOBK (Massachusetts Institute of Technology, Scripps Institution of Oceanography and Harvard University) - GIPSY-OASIS (Jet Propulsion Laboratory and California Institute of Technology) - Bernese GPS Software (Astronomisches Institut Universität Bern) - NavLab (Norwegian Defence Research Establishment) - TerraPOS (TerraTec/UMB)