Member of Professional Committees

2003 - 2007

Member

IAG (International Association of Geodesy) Joint Working Group of the Inter-commission Committee on Theory (ICCT) and Commission 4, Study Group 4.2: Statistics and Geometry in Mixed Integer Linear Models, with Applications to GPS and InSAR

2003 - 2007

Member

IAG Sub-Commission 4.5 (Next Generation RTK) Working Group 4.5.2: Carrier Phase based Precise Point Positioning

2005

Member

Bradford W. Parkinson Award Committee, The Institute of Navigation, USA

2002 - 2003

Member

Canadian Centre for Geodetic Engineering, Department of Geodesy and Geomatics Engineering, University of New Brunswick, Canada

1999 - 2003

Member

IAG Special Study Group 1.179: Wide Area Modeling for Precise Satellite Positioning

1997

Member

Ministry of Home Affairs Special Study Group: Korean Cadastral Reform Project, Division of Cadastre, Korea

Member of Conference Committees

• Session Co-chair (Session D2: Carrier-Phase Positioning). The Institute of Navigation National Technical Meeting 2006, Monterey, California, U.S.A, 18-20 January 2006.

• Session Co-chair (Session F2: Precise Positioning: Algorithms and Methods). The Institute of Navigation 61st Annual Meeting, Cambridge, Massachusetts, U.S.A., 27-29 June 2006.

• Organizer. Workshop on GPS signal simulator – CAST Navigation and Spirent Communications, Department of Geodesy and Geomatics Engineering, University of New Brunswick, Fredericton, NB, Canada, 24 August  & 2 September 2004.

Consulting Activities

• Greenlight Geomatics Inc. (2008). Specialized in Geomatics technology. Address: 174 Newcastle Blvd., Miramichi, NB, Canada E1V 2J6. Contact: Herman Koops, Present. Application: automated herbicide spray and data recording.

• i-Guide Robotics LLC (2007-present). Specialized in robotics. Address: 11711 N. College, Suite 160, Carmel, IN 46302, U.S.A. Contact: Larry Durkos, Chief Technology Officer. R&D and software commercial license – dual-frequency RTK (real-time kinematic) for the company’s robotic lawnmower.

• Hemisphere GPS LLC (2006). A subsidiary company of CSI Wireless, and industrial solutions provider for precision GPS and control systems. Address: 7560 E. Redfield Rd, Suite B, Scottsdale, AZ 85260, U.S.A. Contact: Dr. Michael L. Whitehead, Chief Scientist. R&D and software commercial license agreement – dual-frequency RTK (real-time kinematic) for the company’s GPS receivers.

• i-Guide LLC (2006). Specialized in precision machine control system. Address: 95 South 400 West, Lebanon, IN 46052, U.S.A. Contact: Larry Durkos, Chief Technology Officer. Application: lawnmower auto-steering system using single-frequency RTK.

• Korea Astronomy and Space Science Institute (2006). Space Geodesy Division. Address: 61-1, Hwaam-Dong, Yuseong-Gu, Daejeon 305-348, Korea. Contact: Dr. Jong-Uk Park, Principal Research Scientist. International joint research and license agreement – network and long-range RTK.

• DataGrid Inc. (2005). Specialized in instrumentation to the precision GPS industry. Address: 1022 NW 2nd Street, Gainesville, FL 32601,U.S.A. Contact: Prof. Bo Gustafson, Laboratory for Astrophysics, the University of Florida. Application: long-range RTK.

• Innalabs Inc. (2005). Specialized in high precision INS (inertial navigation systems) and inertial based virtual reality systems. Address: 21525 Ridgetop Circle, Suite 260, Dulles, VA 20166, U.S.A. Contact: Pete Tewksbury, R&D Director. Application: single-frequency RTK for software receiver and INS.

• Novariant Inc. (formerly IntegriNautics) (2005). Industrial solutions provider for precision positioning, intelligent control systems, and positioning infrastructures. Address: 1350 Willow Road, Suite 202, Menlo Park, CA 94025, U.S.A. Contact: Dr. David Lawrence. Application: RTK performance under severe weather events.

• Bristol Aerospace, Ltd. (2004-2006). Space Business Group. Address: 660 Berry St., Winnipeg, MB R3C 2S4, Canada. Contact: Alexis Denis, GAP (GPS Attitude, Positioning, and Profiling) Project Manager. Application: real-time satellite attitude determination system for e-POP (Enhanced Polar Outflow Probe) GAP experiment. e-POP is a component of the innovative Canadian multipurpose-satellite (CASSIOPE) and devoted to the exploration of space weather phenomena in the transition region between atmosphere and the magnetosphere.

• RoyalTek Co., Ltd. (2003). Specialized in GPS OEM/ODM business. Address: 1071 Chung Cheng Rd., Suite 9F-1, Tao Yuan City, Taiwan. Contact: Jacky Chen, R&D Senior Manager. Application: single-frequency RTK.

• Seoho Electric Co., Ltd. (2001-2006). Specialized in crane and machine control system. Address: 194-53 Anyang 7 Dong, Manan-Gu, Anyang City , Kyungkido 430-817, Korea. Contact: Sung-Nam Kim, R&D Director. R&D and software commercial license agreement – rubber-tired gantry crane auto-steering system using dual-frequency RTK, and integration of RTK and INS for automatic ground vehicle.

Services to the University

• Member, Departmental Faculty meeting, 2002 - present.

• Member, Engineering Professional Environment committee, 2008 - present.

Reviewer of Scholarly Journals

Journal Papers

Conference Papers

Professional Memberships

• Member, The Institute of Navigation

• Member, American Institute of Aeronautics and Astronautics