(last update 2016.04.25)

[28] J. Lee, “Next Generation GNSS Positioning Technology,” Invited seminar at ETRI, Daejeon, 27 July 2016

[27] J. Lee, “GPS and Space Weather”, Keynote Speech at the 2nd workshop on space weather and radio technology, Seoul, 31 May 2016

[26] J. Lee, “Brazilian Ionospheric Threat Model Study,” Invited seminar at 16th International GBAS Working Group, FAA Technical Center, Atlantic City, New Jersey, 3 June 2015

[25] J. Lee, “Mobile Differential GNSS Architecture Utilizing UAV Networks: A conceptual Framework and Key Issues,” Invited seminar at Stanford University, Stanford, CA, 22 May 2015

[24] J. Lee, “Introduction to LTIAM and Summary of Brazilian Threat Model Project,” Invited seminar at 5th meeting of the International Civil Aviation organization (ICAO) APAC Ionospheric Study Task Force (ISTF) , Ishigaki, Japan, 16-18 February 2015

[23] J. Lee, “GBAS Brazilian Ionospheric Threat Model Project,” Invited seminar at Stanford University, Stanford, CA, 6 February 2015

[22] J. Lee, “LADGNSS: High Accuracy and Integrity GNSS for UAVs,” Invited seminar at Naval Postgraduate School Stnford Workshop, Stanford, CA, USA, 16 October, 2014

[21] J. Lee, “Korean GBAS Ionospheric Anomaly Threat Model,” Invited seminar at 3rd meeting of the International Civil Aviation organization (ICAO) APAC Ionospheric Study Task Force (ISTF), Seoul, Republic of Korea, 17 October 2013

[20] J. Lee, “LAAS ionospheric monitoring activities,” Invited seminar at 14th International GBAS Working Group, Everett, Washington, 5 June 2013

[19] J. Lee, “Ground-based Augmentation Systems: Challenges and Opportunities,” Invited seminar at the 1st GNSS Enabled Next-generation Navigation Technology Workshop, KAIST, Deajeon, 23 October 2012

[18] J. Lee, “Ionosphere Research for SBAS,” Invited seminar at SBAS/eLORAN workshop, Seoul National University, Seoul, 22 October 2012

[17] J. Lee, “Ionospheric Threat Models for the augmentation of GNSS,” Invited seminar at KARI-ENRI workshop, Korea Aerospace Research Institute, Daejeon June 28, 2012

[16] J. Lee, “KAIST Research Update – GPS data quality determination,” Invited seminar at FAA William J. Hughes Technical Center,Atlantic City, NJ, 18 June 2012

[15] J. Lee, “Ionospheric data processing and analysis for GBAS and SBAS,” Invited seminar at ICAO APANPIRG 1st Ionospheric Studies Task Force, Tokyo, Japan, 27 February 2012

[14] J. Lee, “Augmented GNSS: Integrity and Continuity,” Invited seminar at Maritime and Ocean Engineering Research Institute, Deajeon January 19, 2012

[13] J. Lee, “Next Generation Air Transportation System,” Invited seminar at Doosi-tech, Deajeon December 12, 2011

[12] J. Lee, “Long Term Ionospheric Anomaly Monitoring for CAT I Local Area Augmentation System,” Invited seminar at the Stanford GNSS laboratory, Stanford, CA, August, 2011.

[11] J. Lee, “LAAS Research Update,” Briefing to the FAA LAAS program office, Arlington, VA, July, 2011.

[10] J. Lee, “Long Term Ionospheric Anomaly Monitoring for Ground-Based Augmentation System,” Presentation to Radio Technical Committee on Aeronautics (RTCA) SC159/WG4, Washington D.C, February, 2011.

[9] J. Lee, “Development of Ground Based Augmentation System,” Telecommunications Research Institute (ETRI), Daejeon, Reublic of Korea, May, 2010.

[8] J. Lee, “Integrity for Safety Critical Systems,” Invited seminar at the Department of Mechanical Engineering in the Yonsei University, Seoul, Reublic of Korea, March, 2010.

[7] J. Lee, “LAAS Ephemeris Monitoring,” Invited seminar at the Korea Aerospace Research Institute (KARI), Daejeon, Reublic of Korea, February, 2010.

[6] J. Lee, “GNSS-Based Aircraft Navigaton and Availability,” Invited seminar at the Agency for Defense Development (ADD), Daejeon, Reublic of Korea, February, 2010.

[5] J. Lee, “LDGPS Ionospheric Threat and Mitigation,” Invited seminar at the Korea Aerospace Research Institute (KARI), Daejeon, Reublic of Korea, January, 2010.

[4] J. Lee, “LDGPS Aircraft Landing Systems: Beyond Accuracy,” Invited seminar at the Department of Mechanical and Aerospace Engineering in the KAIST, Daejeon, Reublic of Korea, December, 2009.

[3] J. Lee, “Design of Integrity Architecture for LDGPS,” Invited seminar at the Korea Aerospace Research Institute (KARI), Daejeon, Reublic of Korea, October, 2009.

[2] J. Lee, “Integrity for Safety Critical Systmes: GPS-Based Aircraft Landing,” Invited seminar at the Department of Aeronautics and Astronautics in the MIT, Cambridge MA, April, 2009.

[1] J. Lee, “Integrity for Safety Critical Systmes and Applications,” Invited seminar at the Department of Aerospace Engineering and Sciences in University of Colorado, Boulder CO, April, 2009.


Global Navigation Satellite Systems Laboratory, Department of Aerospace Engineering
KAIST 335 Gwahangno, Yuseong-gu, Daejeon 305-701, Republic of Korea
Tel) +82-42-350-3725 Fax) +82-42-350-5765