Latest Space News
Sun, 31 May 2020 14:29:06 +0000
A Crew Dragon spacecraft docked with the International Space Station May 31, less than a day after making history as the first human orbital spaceflight from the United States in nearly nine years. SpaceNews.com
Sun, 31 May 2020 03:04:22 +0000
President Donald Trump used a speech after the successful SpaceX Crew Dragon launch May 30 to tout his administration’s accomplishments in space, some of which predate his time in office, rather than announce any new initiatives. SpaceNews.com
Sat, 30 May 2020 19:44:49 +0000
The first crewed orbital launch from the United States in nearly nine years took place May 30, placing a SpaceX Crew Dragon spacecraft with two NASA astronauts on board into orbit, bound for the International Space Station. SpaceNews.com
Sat, 30 May 2020 11:04:52 +0000
The Space Force should leverage the infrastructure and accessions pipeline from the Army and the Navy. SpaceNews.com
Fri, 29 May 2020 20:42:28 +0000
For the merger to go forward CPI must sell off its subsidiary ASC Signal Division. SpaceNews.com
Fri, 29 May 2020 20:28:34 +0000
Intelsat is asking its bankruptcy court for authorization to modify a $50 million loan to Spaceflight Industries’ Earth-observation business BlackSky that could become a snag in Spaceflight’s sale of its launch rideshare business.  SpaceNews.com
Fri, 29 May 2020 20:01:17 +0000
A SpaceX Starship prototype was destroyed in an explosion May 29 shortly after what initially appeared to be a successful static-fire test. SpaceNews.com
Fri, 29 May 2020 18:50:26 +0000
SES proposed a low Earth orbit constellation to the U.S. Federal Communications Commission that, if built, would make the company an operator of satellites in low, medium and geostationary orbits.  SpaceNews.com
Fri, 29 May 2020 11:10:38 +0000
SpaceX has received a license from the Federal Aviation Administration allowing the company to carry out suborbital flight tests of its Starship next-generation launch vehicle. SpaceNews.com
Fri, 29 May 2020 03:34:18 +0000
Electro Optic Systems Holdings Ltd. of Australia completed its acquisition May 28 of Silicon Valley startup Audacy and announced plans to spend approximately $1.2 billion Australian dollars ($800 million) to create the EOSLink satellite communications constellation. SpaceNews.com
Thu, 28 May 2020 23:57:40 +0000
The headquarters of former Air Force Space Command in Colorado Springs will be phased out. The Space Force HQ is being stood up in the Pentagon. SpaceNews.com
Thu, 28 May 2020 23:44:25 +0000
Viasat says it is open to building a constellation of nearly 300 satellites in low Earth orbit if it can qualify for some of the $20.4 billion in broadband subsidies the U.S. Federal Communications Commission intends to dole out under the Rural Digital Opportunities Fund.  SpaceNews.com
Thu, 28 May 2020 22:07:08 +0000
Rocket Lab will resume launches of its Electron small launch vehicle in June as the effects of the coronavirus pandemic ease at its New Zealand launch site. SpaceNews.com
Thu, 28 May 2020 20:42:31 +0000
Baldridge said that in addition to the 300 layoffs, Viasat furloughed some employees, froze salaries for a large number of workers, and brought hiring to a virtual standstill in an effort to curb costs.  SpaceNews.com
Thu, 28 May 2020 10:34:03 +0000
China is preparing to carry out 11 missions in two years to construct a space station and will soon select a new batch of astronauts for the project. SpaceNews.com
Wed, 27 May 2020 22:11:53 +0000
Gen. Murray: “It’s about figuring out what capabilities they can provide, and what vulnerabilities do they have?" SpaceNews.com
Wed, 27 May 2020 20:55:47 +0000
The first human orbital spaceflight from the United States in nearly nine years came within 17 minutes of launch May 27 before weather conditions postponed the launch. SpaceNews.com
Wed, 27 May 2020 20:40:59 +0000
Col. Eric Felt, director of the AFRL Space Vehicles Directorate, talks with SpaceNews Staff Writer Sandra Erwin and Editor-in-Chief Brian Berger about the R&D investments the directorate is making to help the U.S. military maintain a technological advantage in the space domain. SpaceNews.com
Wed, 27 May 2020 19:43:37 +0000
The FCC pushed back on new criticism from the Senate and House Armed Services Committees. SpaceNews.com
Wed, 27 May 2020 19:35:14 +0000
OneWeb told the FCC May 26 that it wants to increase its constellation size to 48,000 satellites despite having filed for bankruptcy over an inability to fund a smaller broadband megaconstellation. SpaceNews.com
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  • CV: Principal Systems Engineer

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    Personal information
     Name:<withheld>
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     Country:<withheld>
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    Contact information
     Email:<withheld>
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    Candidate Profile
     Date Submitted:26-07-2012
     Last Modified:26-07-2012 (07:33)
    Job information
     Current job:Principal Systems Engineer
     Employment Term:Permanent
     Job location:US only
     Date available:immediately
     Industry:Satellite Manufacturers and Subcontractors, Consulting/Engineering Services
     KeywordsMission Analysis and Orbital Mechanics, Satellite Toolkit
    CV

    Education:  B.S. Aerospace Engineering – University of Colorado, Boulder 1988

     

    Clearances: Current TS / SCI / SSBI

     

    Work Experience:

     

    2008 – 2012  : Comtech AeroAstro, Littleton, CO

                Modeling and Simulations / Principal Systems Engineer

     

    • Mission Analysis: Responsible for design, analysis and performance evaluation of various small satellite systems.  Used STK/Matlab to perform various parametric trade studies, analyze orbital events and optimize vehicle design configurations to support proposal and design efforts. Typical examples:

     

    • Satellite eclipse, beta-angle analysis, and solar angles of incidence
    • Optimal placement and orientation of star-trackers
    • Orbit maintenance, station-keeping maneuvers and propellant budgets
    • Orbital decay and de-orbit burn requirements
    • Constellation design with coverage and access requirements
    • Space radiation environment analysis
    • Technical animations to support attitude, thermal, power and mission analysis

     

     

    1999 – 2008  : Lockheed Martin, Denver, CO – Advanced Surveillance & Reconnaissance Programs

                  Modeling and Simulations / Mission Analyst

     

    • Mission Analysis: Responsible for design, analysis and performance evaluation of various advanced classified satellite systems.  Performed parametric trade studies of various satellite and constellation designs for customer presentations. Analyzed orbital events, vehicle design configurations and synergies with other national assets. Typical examples:

     

    • Constellation design, population, phasing and optimization
    • Optimal orbital transfers, maneuvers and upper-stage performance
    • Orbital decay and station-keeping propulsion requirements
    • Satellite revisit times and coverage
    • Mutual satellite visibility
    • Post-mission satellite disposal
    • Antenna placement, blockage, gimbal angles and slew-rates
    • Long term orbit propagation and perturbation effects
    • Sensor placement, blockage, constraints and collection optimization

                                             

    • Simulation & Modeling: Created 3-D visualizations of proposed advanced classified satellite system concepts and architectures using Satellite Tool Kit.  These technically accurate scenarios/visualizations were used to support various proposals, IRADs, and customer demonstrations to help to sell new programs, keep existing programs sold, support various trade-studies and parametric analyses, and to elucidate complex geometric spacecraft scenarios to our customers.  Typical examples:

     

    • Launch, orbit-insertion, station-keeping maneuvers, housekeeping maneuvers, attitude verification, deployment, satellite systems check-out
    • Satellite constellation phasing and build-up strategies
    • Satellite articulations (solar-panels, antennas, payload gimballing)
    • Sensor blockage (terrain or s/c body)
    • COMM coverage (sat-to-sat, sat-to-relay, ground-sites)
    • Tip-off, trip-wire, force-protection, ground vehicle tracking
    • Antenna design trades (footprint size, agility, power, phased-array types)
    • Spacecraft survivability / Threat avoidance
    • Coastal monitoring, weather, open-ocean surveillance
    • Digital terrain modeling with orthorectified imagery overlays
    • Ground, air, sea and space asset synergy (also System-of-Systems)
    • Spacecraft telemetry simulator

     

     

    1995 – 1999  : Martin Marietta, Denver, CO – Advanced Special Programs 

                            Mission Analyst / Systems Analyst

     

    • Provided mission and systems analysis support of proposal, IRAD and contract activities for Advanced Special Programs. Responsible for the formulation, test, verification, validation, documentation and implementation of analytic methods to support performance analysis. Tasks also included mission analysis, orbit and constellation design, and various aspects of system performance analysis.

     

     

    1993 – 1995  : Martin Marietta, Reston, VA – Engineering Services

                            Mission Analyst / Systems Analyst

     

    • Provided technical analysis and support to oversee prime contractor development and verification of end-to-end spacecraft system simulator. Evaluated system metrics and algorithms used to model overall system performance.

     

     

    1988 – 1993  : Martin Marietta, Denver, CO – Special Programs  

                            Mission Analyst

     

    • Developed software to aid in spacecraft anomaly resolution and predict various geometric orbital events.  Performed mission analysis tasks for orbit-transfers, constellation design, low-level long-term thrust scenarios, GPS performance and other spacecraft related issues.

     

     

    Technical Publication

     

    “Efficient Computation of Satellite Visibility Periods”, M. A. Chylla and C. D. Eagle, AAS 92-146.  Presented at the AAS/AIAA Spaceflight Mechanics Meeting, Colorado Springs, Colorado, February 24–26, 1992.

     

    Computer  Skills:  MatLab, FORTRAN, STK CONNECT, HP Rocky Mountain BASIC.  Course-work in JAVA and C, MS Office Suite, Satellite Tool Kit, Adobe Premiere, Google Earth (kmz, kml)

     

     

    Hobbies and Interests:  Acoustic guitar, racquetball, billiards, computers, active in local church-work and out-reach activities.


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