Latest Space News
Wed, 21 Mar 2018 11:05:37 +0000
The Japanese government, working with private ventures, announced plans March 20 to establish a nearly billion-dollar fund to support the development of space startups in the country.
Wed, 21 Mar 2018 01:24:13 +0000
An Alaskan spaceport will host the first launch of a rocket developed by a stealthy startup company as soon as next week, spaceport officials confirmed March 20.
Tue, 20 Mar 2018 20:40:50 +0000
A decision on a new launch date for NASA’s James Webb Space Telescope, and announcement of any potential breach of its $8 billion cost cap, could come next week, an agency official said March 20.
Tue, 20 Mar 2018 18:20:11 +0000
A letter signed by more than 60 House members calls on the Senate to advance the stalled nomination of fellow congressman Jim Bridenstine to be NASA administrator.
Tue, 20 Mar 2018 17:29:38 +0000
Citing recent reforms that provide more time to orbit a new satellite constellation, satellite broadband-startup OneWeb asked U.S. telecom regulators to nearly triple the size of its authorized low-Earth-orbit constellation.
Tue, 20 Mar 2018 10:53:36 +0000
Citing progress in producing plutonium-238, NASA will allow scientists proposing missions for an upcoming planetary science competition to use nuclear power sources.
Tue, 20 Mar 2018 04:30:11 +0000
Seeking to return a borrowed satellite as soon as possible, Israeli fleet operator Spacecom is very close to purchasing a new satellite dubbed Amos-8, a company official said March 14.
Mon, 19 Mar 2018 17:49:42 +0000
For the space-based infrared SBIRS satellites 5 and 6, the Air Force says the per-unit cost went down 12 percent — from $1.9 billion to $1.6 billion.
Mon, 19 Mar 2018 10:39:02 +0000
Companies that are developing small launch vehicles or who provide rideshare launch services say they expect new Chinese launch vehicles to drive down launch prices, raising concerns among some of unfair competition.
Sun, 18 Mar 2018 09:26:31 +0000
Pentagon official: “There are new threats that the industrial base needs to support. So what does this mean in terms of production capacity?”
Fri, 16 Mar 2018 20:56:55 +0000
Loral Space and Communications wants to move ahead with a “strategic transaction” involving fleet operator Telesat that may spark a legal fight with Telesat’s other major shareholder, a Canadian pension fund.
Fri, 16 Mar 2018 16:49:52 +0000
To prevent collisions in space, nations with advanced orbital monitoring abilities need to share data with each other. Russia, being skilled in space situational awareness (SSA), should be part of the global effort to protect the space environment, experts said March 15 at the Satellite 2018 conference here.
Fri, 16 Mar 2018 13:48:13 +0000
In its budget proposal for the coming year, the U.S. Air Force is trying to send the same message to foreign adversaries and critics at home: the service definitely is not underestimating threats the United States and its allies face in space.
Thu, 15 Mar 2018 23:57:04 +0000
Assistant Secretary of Defense Kenneth Rapuano: “The president is very interested in ensuring that the department is best organized and equipped to achieve our vital missions in space."
Thu, 15 Mar 2018 20:17:02 +0000
The hand-wringing continues at the Pentagon over how to respond to Chinese and Russian missile advances.
Thu, 15 Mar 2018 17:18:23 +0000
With a stopgap spending bill set to expire in just over a week, House and Senate appropriators are continuing to negotiate provisions of an omnibus bill, including funding levels for some NASA programs.
Thu, 15 Mar 2018 15:22:31 +0000
Broadband megaconstellations are expensive propositions, with SpaceX’s Starlink constellation expected to cost $10 billion or more, and OneWeb expecting to spend $3 billion. The actual cost could ultimately be higher.
Thu, 15 Mar 2018 12:52:06 +0000
The introduction of 5G services will bring users globally the ability to have true anytime, anywhere capabilities to support a myriad of user devices and applications never imagined.
Thu, 15 Mar 2018 11:17:36 +0000
The U.S. Senate confirmed Jeffrey DeWit as NASA's new chief financial officer March 14, completing an expedited process starkly different than the one for the agency's next leader.
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    Personal information
    Contact information
    Candidate Profile
     Date Submitted:05-12-2013
     Last Modified:05-12-2013 (07:17)
    Job information
     Current job:Research Assistant
     Employment Term:Permanent
     Job location:Anywhere
     Date available:immediately
     Industry:Satellite Manufacturers and Subcontractors
     KeywordsControl design, software design, optical analysis, star tracker specialist

    To obtain a career in satellite sensor design and satellite control research and development


    Doctor of Philosophy, Aerospace Engineering                                   Sept. 2013
    Ryerson University, Toronto, ON
    Thesis: Development and Characterization of Color Star Trackers
    Supervisor: Dr. John Enright

    Master of Applied Science, Electrical Engineering                                 Aug. 2008
    Ryerson University, Toronto, ON
    Thesis: Robust Nonlinear Control Of Under-actuated Satellite Formation
    Supervisors: Dr. Guanjun Liu and Dr. Krishna Dev Kumar

    Bachelor of Engineering, Electrical Engineering                      May 2006
    Ryerson University, Toronto, ON

    Nonlinear dynamics and nonholonomic control systems
    Sensor design and fusion, attitude estimation, and Kalman ltering
    Bridging theory and practical implementation towards commercialization


    Research Assistant                             Sept. 2013 - Present
    Space Avionics and Instrumentation Laboratory (SAIL)
    Ryerson University, Toronto, ON
     + Research and development of Color Star Tracking theory and implementation

    Developement Team Member                                Oct. 2009 - May 2010
    Joint ST-16 Star Tracker Project (high-precision spacecraft attitude sensor)
    SAIL Ryerson, Space Flight Laboratory (SFL) University of Toronto
    Institute for Aerospace Studies (UTIAS), and Sinclair Interplanetary

     + Hardware design and register con guration of CMOS sensor module.
     + Expected on orbit deployment November 2013
     + Details at

    Teaching/Graduate Assistant                                    2003 - 2012
    Ryerson University, Toronto, ON
     + Department of Mathematics (MTH140, MTH240, and MTH141)
     + Department of Electrical Engineering (ELE202, ELE302, and EES512)
     + Department of Physics (PCS211)

    Demonstrated conpetence in the following areas:

    Control Systems
     + Linear - State space, Proportional Integral Derivative (PID), robustness
     + Nonlinear - Lyapunov stability, linearization, sliding-mode
     + Nonholonomic Systems - Underactuated satellite dynamics

    Sensor Calibration
     + Noise Modeling - Characterizing system model and noise sources/behaviors
     + Hardware Calibration - Model parameter estimation through laboratory testing
     + High-Fidelity Simulation - Evaluation of sensor design using numerical modeling

     + Low-level - Assembly, C, C++, Fortran
     + High-level - MATLAB (data processing, gpu/parallel-operation, real-time hardware integration)
     + Operating Systems - Linux (Ubunto, Mint)

     + Low-level - Raspberry Pi, PIC Micro-controller, Gumstix (OVERO)
     + High-level - Robotic rotary gimbals, sensor and optical calibrations
     + Astronomy/Photometry - Catalog integration and processing
     + Design Space Characterization - Optical, noise, measurement sensitivity


    Refereed Journals
     + Geo ffrey McVittie and John Enright, "Color star tracking I: star measurement", SPIE Journal of
         Optical Engineering, Vol. 51, No. 8, August 2012
     + John Enright and Geo rey McVittie, "Color star tracking II: matching", SPIE Journal of Optical
         Engineering, Vol. 52, No. 1, January 2013

     + Geoffrey McVittie and John Enright, "Color Star Tracking Using 3CCD Prism Hardware", AIAA
         Guidance, Navigation, and Control Conference, 2012, 10.2514/6.2012-5001
     + John Enright and Geoff McVittie, "Star Tracking Using Colour CMOS Detectors" AIAA Guidance,
        Navigation, and Control Conference, 2010, 10.2514/6.2010-8449
     + John Enright, Geoff McVittie, and Thomas Dzamba, "Color-Based Matching for Star Trackers",
        AIAA/AAS Astrodynamics Specialist Conference, 2010, 10.2514/6.2010-7825
     + Geo ffrey McVittie, Krishna Kumar, and Guangjun Liu, "Reduced Input Control of an Underactuated
        Satellite Formation
    ", AIAA Guidance, Navigation, and Control Conference, 2010, 10.2514/6.2010-7710
     + Geoff McVittie, Krishna Kumar, "Design of a COTS Femtosatellite and Mission", AIAA SPACE 2007
        Conference & Exposition, 2007, 10.2514/6.2007-6034

    Institute of Electrical and Electronics Engineers (IEEE)
    American Institute of Aeronautics and Astronautics (AIAA)
    International Society for Optical Engineering (SPIE)

    Queen Elizabeth II Graduate Scholarship in Science and Tech. (QEII-GSST) Sept. 2011 - Aug. 2012
    Ryerson Graduate Scholarship (RGS) Sept. 2007 - Aug. 2011
    Ryerson Graduate Award (RGA) Sept. 2006 - Aug. 2007

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