Dr. Oscar L Colombo

Dr. Oscar L Colombo

  • RESEARCH SCIENTIST
  • 301.345.6156
  • NASA/GSFC
  • Mail Code: 61A
  • COLUMBIA , MD 21044
  • Employer: UNIVERSITIES SPACE RESEARCH ASSOCIATION
  • Research Interests

    Gravity fields

    Gravity field mapping from space; determination of orbits of artificial satellites; precise static and kinematic positioning using the Global Positioning System; precise aircraft navigation for geophysical surveys from the air; airborne gravimetry; measurement of small changes in the gravity field associated with global geophysical processes.

    Education

    1967 - Ingeniero en Telecomunicacions, Universidad Nacional de la Plata (Argentina).
    1977 - PhD (Electrical Engineering), New South Wales University (Sydney, Australia).
    Thesis: On the control of discrete-time systems with constrained input and state variables.

    Professional Societies

    Institute of Navigation., 2011 - Present
    International Association of Geodesy., 2011 - Present

    Publications

    Refereed

    Colombo, O., S. Brunker, G. Jones, V. Janssen, and C. Rizos. 2010. "Sparse Network: Wide-area, Sub-decimeter Positioning for Airborne LiDAR Surveys." GPS World, 21 (10): 44-50.

    Fujita, M., T. Ishikawa, M. Mochizuki, et al. M. Sato, S. Toyama, M. Katayama, K. Kawai, Y. Matsumoto, T. Yabuki, A. Asada, and O. L. Colombo. 2006. "GPS/Acoustic Seafloor Geodetic Observation: Method of Data Analysis and its Application." Earth Planets Space, 58: 265-275.

    Hernandez-Pajares, M., J. M. Juan, J. Sanz, O. L. Colombo, and H. van der Marel. 2001. "A New Strategy for Real-Time Integrated Water Vapor Determination in WADGPS Networks." Geophysical Research Letters, 28: 17 [ 3267-3270]

    Hernandez-Pajares, M., J. M. Juan, J. Sanz, and O. L. Colombo. 2000. "Application of Ionospheric Tomography to Real-Time GPS CarrierPhase Ambiguities Resolution, at Scales of 400-1000 km and With High Geomagnetic Activity." Geophysical Research Letters, 27: 13 [ 2009-2012]

    Non-Refereed

    Colombo, O. L., S. Brunker, G. Jones, and V. Janssen. 2010. "Wide-area, Sub-decimetre Positioning for Airborne LiDAR Surveys Using CORSnet-NSW." Proceedings of the FIG Congress 2011, Sydney, Australia, April 2010.

    Colombo, O. L. 2009. "Shortening the Convergence Time of Wide-Area Real-Time Kinematic Solutions." Proceedings ION GNSS 2009, Savanna, Georgia, September .

    Colombo, O. L. 2008. "Real-Time, Wide-Area, Precise Kinematic Positioning Using Data from Internet NTRIP Streams." Proceedings ION GNSS Savannah, Georgia.

    Colombo, O. L. 2006. "A Zenith Delay Model for Precise Kinematic Aircraft Navigation." Proceedings of the ION GNSS-2006 Fort Worth, Texas.

    Colombo, O. L., M. Hernandez-Pajares, M. Juan, and J. Sanz. 2005. "Extending Wide Area and Virtual Reference Station Networks Far Into the Sea With GPS Buoys." Proceedings of the ION GNSS-2005 Long Beach, California.

    Colombo, O. L., A. W. Sutter, and A. G. Evans. 2004. "Evaluation of Precise, Kinematic GPS Point Positioning." Proceedings ION GNSS-2004 Long Beach, CA.

    Colombo, O. L., A. W. Sutter, and A. G. Evans. 2003. "Evaluation of Real-Time, Long-Range, Precise, Differential, Kinematic GPS ." Using Broadcast Orbits, Proceedings ION GNSS-2003 Portland, Oregon.

    Colombo, O. L., M. Hernandez-Pajares, J. M. Juan, and J. Sanz. 2002. "Carrier-Phase Ambiguity Resolution Using a Tomographic Model of the Ionosphere." Wide-Area, "Navigation" 41 (1): Alexandria, Virginia.

    Colombo, O. L., A. G. Evans, M. Ando, et al. K. Tadokoro, K. Sato, and T. Yamada. 2001. "Speeding up the estimation of floated ambiguities for sub-decimeter kinematic positioning at sea ." Proceedings ION GPS-2001 Salt Lake City, Utah.

    Colombo, O. L., A. G. Evans, M. I. Vigo-Aguiar, J. M. Ferrandiz, and J. J. Benjamin. 2000. "Long-Baseline (> 1000 km), Sub-Decimeter Kinematic Positioning of Buoys at Sea, with Potential Application to Deep-Sea Studies." Proceedings of the ION GPS-2000 Symposium Salt Lake City, Utah.

    Colombo, O. L., M. Hernandez-Pajares, J. M. Juan, and J. Sanz. 1999. "Resolving Carrier-Phase Ambiguities On The Fly, At More Than 100 km From Nearest Reference Site, With The Help Of Ionospheric Tomography ." Proceedings of the ION GPS-99 Symposium Nashville, Tenn.

    Colombo, O. L., and A. G. Evans. 1998. "Sea and Land Tests of Long-Baseline Kinematic GPS Indicate SubDecimeter Level Precision." Proceedings of the INSMAP-98 Symposium Florida State University, Melbourne, Fla.

    Publications

    Refereed

    Colombo, O., S. Brunker, G. Jones, V. Janssen, and C. Rizos. 2010. "Sparse Network: Wide-area, Sub-decimeter Positioning for Airborne LiDAR Surveys." GPS World 21 (10): 44-50

    Fujita, M., T. Ishikawa, M. Mochizuki, et al. M. Sato, S. Toyama, M. Katayama, K. Kawai, Y. Matsumoto, T. Yabuki, A. Asada, and O. L. Colombo. 2006. "GPS/Acoustic Seafloor Geodetic Observation: Method of Data Analysis and its Application." Earth Planets Space 58 265-275

    Hernandez-Pajares, M., J. M. Juan, J. Sanz, O. L. Colombo, and H. van der Marel. 2001. "A New Strategy for Real-Time Integrated Water Vapor Determination in WADGPS Networks." Geophysical Research Letters 28 17 [ 3267-3270]

    Hernandez-Pajares, M., J. M. Juan, J. Sanz, and O. L. Colombo. 2000. "Application of Ionospheric Tomography to Real-Time GPS CarrierPhase Ambiguities Resolution, at Scales of 400-1000 km and With High Geomagnetic Activity." Geophysical Research Letters 27 13 [ 2009-2012]

    Non-Refereed

    Colombo, O. L., S. Brunker, G. Jones, and V. Janssen. 2010. "Wide-area, Sub-decimetre Positioning for Airborne LiDAR Surveys Using CORSnet-NSW."

    Colombo, O. L. 2009. "Shortening the Convergence Time of Wide-Area Real-Time Kinematic Solutions."

    Colombo, O. L. 2008. "Real-Time, Wide-Area, Precise Kinematic Positioning Using Data from Internet NTRIP Streams." Proceedings ION GNSS

    Colombo, O. L. 2006. "A Zenith Delay Model for Precise Kinematic Aircraft Navigation." Proceedings of the ION GNSS-2006

    Colombo, O. L., M. Hernandez-Pajares, M. Juan, and J. Sanz. 2005. "Extending Wide Area and Virtual Reference Station Networks Far Into the Sea With GPS Buoys." Proceedings of the ION GNSS-2005

    Colombo, O. L., A. W. Sutter, and A. G. Evans. 2004. "Evaluation of Precise, Kinematic GPS Point Positioning." Proceedings ION GNSS-2004

    Colombo, O. L., A. W. Sutter, and A. G. Evans. 2003. "Evaluation of Real-Time, Long-Range, Precise, Differential, Kinematic GPS ." Using Broadcast Orbits, Proceedings ION GNSS-2003

    Colombo, O. L., M. Hernandez-Pajares, J. M. Juan, and J. Sanz. 2002. "Carrier-Phase Ambiguity Resolution Using a Tomographic Model of the Ionosphere." Wide-Area, "Navigation" 41 (1):

    Colombo, O. L., A. G. Evans, M. Ando, et al. K. Tadokoro, K. Sato, and T. Yamada. 2001. "Speeding up the estimation of floated ambiguities for sub-decimeter kinematic positioning at sea ." Proceedings ION GPS-2001

    Colombo, O. L., A. G. Evans, M. I. Vigo-Aguiar, J. M. Ferrandiz, and J. J. Benjamin. 2000. "Long-Baseline (> 1000 km), Sub-Decimeter Kinematic Positioning of Buoys at Sea, with Potential Application to Deep-Sea Studies." Proceedings of the ION GPS-2000 Symposium

    Colombo, O. L., M. Hernandez-Pajares, J. M. Juan, and J. Sanz. 1999. "Resolving Carrier-Phase Ambiguities On The Fly, At More Than 100 km From Nearest Reference Site, With The Help Of Ionospheric Tomography ." Proceedings of the ION GPS-99 Symposium

    Colombo, O. L., and A. G. Evans. 1998. "Sea and Land Tests of Long-Baseline Kinematic GPS Indicate SubDecimeter Level Precision." Proceedings of the INSMAP-98 Symposium

                                                                                                                                                                                            
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