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  • CV: Engineer (Ph.D Orbital Mechanics)

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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
     Phone:<withheld>
     Mobile:<withheld>
    Candidate Profile
     Date Submitted:04-05-2011
     Last Modified:05-05-2011 (07:16)
    Job information
     Current job:Engineer (Ph.D Orbital Mechanics)
     Employment Term:Permanent
     Job location:Own country
     Date available:within 2 months
     Industry:Civil Agencies/International Organizations, Satellite Manufacturers and Subcontractors, Satellite Operators, Launch Systems, Consulting/Engineering Services, Space Tourism
     KeywordsOrbital mechanics, estimation theory, LiDAR
    CV

    EXPERIENCE

     

    Sigma Space at NASA Wallops Flight Facility

    Engineer                              August 2010-Present

    Member of Airborne Topography Mapper Team with Operation IceBridge

    ·           Developed repeat track analysis tools with C and UNIX scripts

    ·           Used repeat track analysis results to analyze ice sheet elevation changes

    ·           Procured Cryosat data and compared to ATM and ICESat ice sheet data

    ·           Developed estimation code for computing laser pointing angle and mounting biases from comparisons between airborne surveys and ground surveys

    ·           Participated in field deployments for Operation IceBridge surveys over Antarctica and Greenland with DC-8 and P-3 aircraft, which included the following activities:

    ·         Assisted with ATM laser calibration before installation

    ·         Assisted with ATM navigation and laser equipment installation on the DC-8 at NASA Dryden and the P-3 at NASA Wallops

    ·         Assisted with GPS antenna set-up in Punta Arenas, Chile

    ·         Assisted with ground survey in El Mirage, California for laser pointing angle and mounting bias calibration

    ·         Used onboard navigation computers to guide aircraft on survey flightlines

    ·         Operated lasers during surveys

    ·         Assisted with troubleshooting equipment problems for lasers and navigation equipment

     

     

    University of Texas Center for Space Research

    Graduate Research Assistant                        2002-2010

    Member of ICESat Research Group

    ·           Developed repeat track analysis tools with Fortran 90 and UNIX scripts

    ·           Used repeat track analysis results to analyze ice sheet elevation changes

    ·           Generated ICESat predicted orbits using CSR proprietary software

    ·           Improved code for computing crossovers (intersections between ground tracks)

    ·           Generated crossovers for ICESat ice sheet elevation data with Fortran 90 and UNIX scripts

    ·           Wrote code to match ICESat laser waveform data with corresponding elevation data

    ·           Participated in ICESat II preliminary laser configuration case studies: used simulated data to evaluate ability of potential laser configurations to provide sufficient data density to determine elevation change rates for the ice sheets

    ·           Set up timing detector array in ground operations for ICESat laser pointing calibration at White Sands Missile Range

    ·           Navigator for airborne photography for ICESat laser pointing calibration at White Sands Missile Range

     

    LiDAR Research Assistant

    ·           Set up GPS base stations for airborne LiDAR surveys

    ·           Navigator for airborne LiDAR surveys over White Sands Missile Range and National Park, Mississippi, California coast, Texas coast, Texas A&M, and the Dominican Republic

    ·           Performed LiDAR data transfers for airborne LiDAR surveys

     

     

    University of Texas Center for Space Research

    Undergraduate Research Assistant                                      2001-2002

    ·           Registered satellite images by comparison with images containing geolocation information

    ·           Classified hyperspectral satellite images into different vegetation types

    ·           Analyzed and organized LandSat images

    ·           Co-wrote CSR user manual for GSS GPS simulator

     

    EDUCATION

    University of Texas at Austin

    Ph.D, Aerospace Engineering, Orbital Mechanics                          2005-2010

    Dissertation: Sensitivity Analysis of Repeat Track Estimation Techniques for Detection of Elevation Change

    M. S., Aerospace Engineering, Orbital Mechanics                          2002-2005

    Thesis: The Inapplicability of Mean Orbital Element Computation Methods to Frozen Orbits

    B. S., Aerospace Engineering                               1998-2002

     

    Relevant Coursework: Estimation Theory, Celestial Mechanics, Optimal Control Theory, Optimal Spacecraft Trajectories, Spacecraft Mission Analysis and Design, Linear Systems, Dynamics, GPS

    SKILLS

    ·           Proficient in Fortran 77 and 90, C

    ·           Basic programming skills: Matlab, C++, UNIX, UNIX scripts

    ·           Other: Windows, Microsoft Office, and ARCPad

    ·           Private Pilot

    PUBLICATIONS and CONFERENCE PRESENTATIONS

    ·           Harpold, Robert E.; Urban, Timothy J.; Schutz, Bob E. 2008, Sensitivity Analysis of ICESat Repeat Track Estimation Techniques for Detection of Elevation Changes in Polar Ice Sheets, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract C31A-0472.

     

    ·           Harpold, Robert E.; Urban, Timothy J.; Webb, Charles E.; Schutz, Bob E. 2007, Assessment of ICESat Repeat Track Estimation Techniques for Polar Elevation Change Detection, Eos Trans. AGU 88(52), Fall Meet., Suppl., Abstract C23A-0943.

     

    ·           Harpold, Robert E.; Urban, Timothy J.; Schutz, Bob E. 2006, An Initial Crossover and Repeat Track Analysis of Ice Sheets Using ICESat Altimeter Data, Eos Trans. AGU 87(52), Fall Meet., Suppl., Abstract C41A-0316.

     

    ·           Gunter, Brian; Urban, T.; Riva, R.; Helsen, M.; Harpold, R.; Poole, S.; Nagel, P.; Schutz, B.; Tapley, B. A Comparison of coincident GRACE and ICESat data over Antarctica. Journal of Geodesy, doi:10.1007/s00190-009-0323-4. June 23, 2009.

     

    ·           Webb C.; Stauch J.; Harpold R.; Lorhammer K.; Schutz B.; Born G. (2007) ICESat off-nadir laser targeting: theory and practice. Adv Astronaut Sci 123: 155–174


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