Latest Space News
Fri, 14 Dec 2018 00:55:51 +0000
With a first flight to the edge of space under the company’s belt, Virgin Galactic founder Richard Branson believes commercial flights of SpaceShipTwo could begin some time next year. SpaceNews.com
Thu, 13 Dec 2018 23:49:54 +0000
A DARPA team will “inventory the DoD space-based command-and-control capabilities, identify critical gaps, deficiencies and inefficiencies in our existing architectures." SpaceNews.com
Thu, 13 Dec 2018 21:16:47 +0000
Greg Wyler, OneWeb’s founder, said the company will need only 600 satellites or so instead of 900 after ground tests of the first satellites demonstrated better than expected performance. SpaceNews.com
Thu, 13 Dec 2018 20:17:16 +0000
The first GPS 3, known as SV01, is the first of an entirely new design of GPS satellite that has three times better accuracy and up to eight times improved anti-jamming capabilities, according to Lockheed Martin. SpaceNews.com
Thu, 13 Dec 2018 19:48:38 +0000
The U.S. Air Force’s first GPS 3 satellite was encapsulated within a SpaceX payload fairing at Astrotech Space Operations on Dec. 7 in preparation for a Dec. 18 launch at Cape Canaveral Air Force Station, Florida. SpaceNews.com
Thu, 13 Dec 2018 18:23:46 +0000
Once lawmakers have a chance to review the proposal, said Shanahan, he will be “happy to take the red pen out." SpaceNews.com
Thu, 13 Dec 2018 17:12:57 +0000
Virgin Galactic achieved a long-awaited milestone Dec. 13 when its SpaceShipTwo suborbital vehicle performed its longest test flight to date, exceeding one altitude often used as the boundary of space. SpaceNews.com
Thu, 13 Dec 2018 08:51:53 +0000
The telecommunications company COMSAT, which supplies services to the U.S. government, has signed a deal with Intelsat to market FlexAir to U.S. government aviation users and coalition partners. SpaceNews.com
Thu, 13 Dec 2018 05:22:38 +0000
A test flight more than a decade in the making is scheduled to take place Dec. 13 as Virgin Galactic’s SpaceShipTwo suborbital vehicle is set to make its highest and fastest flight to date, one that, if all goes well, will take it beyond one boundary of space. SpaceNews.com
Wed, 12 Dec 2018 23:13:41 +0000
The shift was mandated by Congress in Section 1601(a) of the Fiscal Year 2018 National Defense Authorization Act. SpaceNews.com
Wed, 12 Dec 2018 22:22:44 +0000
This year’s satcom workshop comes amid major questions about the Pentagon’s plans — or lack thereof — to buy more satellite communications services from the private sector. SpaceNews.com
Wed, 12 Dec 2018 21:58:07 +0000
Members of the C-Band Alliance have stipulated that they will only buy U.S.-built satellites to replace any capacity lost through the transfer of some C-band spectrum to cellular operators for 5G, a move that could position their plan more favorably with the White House and Congress. SpaceNews.com
Wed, 12 Dec 2018 20:36:41 +0000
Harris Corp.’s first small satellite, a six-unit cubesat, is fully operational, receiving commands and transmitting information to the satellite operations center in Palm Bay, Florida. SpaceNews.com
Wed, 12 Dec 2018 20:07:50 +0000
Arianespace’s final launch of the year is scheduled for Dec. 18 at 11:37 a.m. Eastern. The company will launch a French military Earth observation satellite called CSO-1 on a Europeanized Soyuz rocket from Sinnamary, French Guiana. SpaceNews.com
Wed, 12 Dec 2018 17:41:07 +0000
Nearly a year after the release of the latest decadal survey for the field, the head of NASA’s Earth science program says the agency is making good progress in implementing its recommendations. SpaceNews.com
Wed, 12 Dec 2018 16:32:07 +0000
Smith: The difficulties we’ve had with space launch has been a good example of why a different approach is needed to manage military space. SpaceNews.com
Wed, 12 Dec 2018 15:53:13 +0000
SpaceNews Editor-in-Chief Brian Berger presents the winners of 2018 SpaceNews Awards for Excellence & Innovation. SpaceNews.com
Wed, 12 Dec 2018 13:06:06 +0000
China’s Chang’e-4 lander and rover spacecraft successfully entered lunar orbit Wednesday following a four-and-half-day flight to the moon. SpaceNews.com
Tue, 11 Dec 2018 21:54:27 +0000
Virgin Galactic plans to perform the next test flight of its SpaceShipTwo suborbital spaceplane as soon as Dec. 13, a flight that could be the first by the vehicle to reach at least one definition of space. SpaceNews.com
Tue, 11 Dec 2018 18:32:51 +0000
As a founder and chief strategy officer of ATLAS Space Operations, a satellite data communications company that has been doing this very same thing for the past four years, you might think I’d be a little nervous to see Amazon enter the industry. But I’m not. SpaceNews.com
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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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