Mailing Address:
P.O. Box 200053
Austin, TX 78720-0053
Ethernet Testing And Design, 7/2000-Present
Responsible for testing of 100 Mbit and gigabit Ethernet interfaces. Consulted with platform teams to improve the Ethernet portion of their designs. Developed reference designs for gigabit Ethernet interfaces, connecting to the onboard PCI bus.
Created automated Ethernet testing lab using National Instruments LabView software. Designed and built test fixtures for Ethernet testing.
Cellular Telephone/POTS Interface, 3/2000-7/2000
Aided in the development and testing of a device to connect a cellular telephone to a POTS telephone. Developed an almost zero cost call progress tone generator using unused cycles of the on-board microcontroller.
Automated Test System, 5/2000-7/2000
Designed an Atmel microcontroller based automated test system. The test system is able to store and playback test vectors for high speed automated factory testing of the Cellular Telephone/POTS Interface.
Child Protective Device, 4/2000-7/2000
Investigated the development of a device that would notify a parent if their child was outside of a certain, pre-settable, range. Researched various means of absolute distance measurement, including RF and ultrasonic techniques.
Portable Impact Location System (PILS), 11/1998-3/2000
Project Engineer for the PILS II system, responsible for all electrical components of the PILS II sonobuoy, including analog, digital, and power electronics. Supervised a team of mechanical and electrical engineers, technicians and students in the construction of buoys and constituent parts. Developed microprocessor-based motor control and power distribution system for robotic station-keeping sonobuoy used to determine impact location of Submarine Launched Ballistic Missiles (SLBM). Supervised contractor in the update of legacy printed circuit board designs. Successfully tested PILS II system in the open ocean during SLBM test.
Launch Area Determination System (LADS), 11/1998-3/2000
Designed and built a novel synthesizer-based coordinated acoustic tracking source (CATS III) for tracking submarines in missile launch test area, synchronizing test equipment with tactical equipment to ensure non-interference with vital launch systems. Designed and built prototype and production printed circuit boards for CATS III. Developed concept for DSP based SSBN test area safety system to provide launch area support ship crew with real-time submarine position data.
FPGA M-ary FSK Modulator, 5/1998-10/1998
Designed FPGA based m-ary FSK modulator/DDS for low power, low probability of intercept, low probability of detection (LPI/LPD) communication system. Used graphical techniques and VHDL for the design. Built and tested modulator.
GPS Artillery Telemetry, 10/1997-10/1998
Supported GPS based artillery telemetry system. Designed, coded in assembly language, and tested an embedded data acquisition system for a GPS translator fuze. Field tested fuze and operated the ground station for the fuze system. Modified RF hardware to enable ground station to receive signals from different fuze frequency configurations. Designed using Altera FPGA devices in a high speed GPS ground station data acquisition system. Developed Perl based data acquisition system.
Antenna SBIR, 6/1996-10/1997
Served as Contracting Officer's Technical Representative (COTR) for airborne antenna for synthetic aperture Radar SBIR contract. Reviewed contract proposals for feasibility and technical merit. Selected proposal and followed contract through to completion. Organized and led regular contract progress update meetings. Reviewed and selected proposal for Phase II of this SBIR.
SAR Sidelobe Reduction Using SVA, 3/1997-10/1997
Selected as co-investigator on Directors Research Initiative project on Synthetic Aperture Radar (SAR) sidelobe reduction using Spatially Variant Apodization (SVA). Conducted a literature review on the subject. Using Matlab, programmed algorithms for image formation and sidelobe reduction.
Ultra Wide Band Synthetic Aperture Radar, 1/1992-10/1997
In coordination with a team of engineers and scientists, participated in and provided material contributions to the design, construction, laboratory and field testing, and standard operations manual for an ultra-wide band (impulse) synthetic aperture radar. Designed and developed calibration equipment for the UWB radar. Designed and integrated guidance and telemetry system for 150' self-propelled boom lift.
Constructed and tested high power ultra-wide band baluns for assembly into ultra-wide band transverse electromagnetic horns. Developed a procedure to eliminate high voltage corona induced by high power pulse.
Field tested the Ultra-Wideband Radar in Aberdeen, Maryland and Yuma, Arizona. Conducted site surveys for suitability prior to testing. Managed delivery and assembly of the final product to field test sites.
Co-author and presenter of a paper on the Radar at SAGEEP 1995 (Symposium on the Application of Geophysics to Engineering and Environmental Problems).
Radar Propagation in Foliage Studies, 8/1991-10/1997
Designed, developed, and conducted a series of experiments investigating electromagnetic wave propagation through foliage. Mathematically modeled the attenuation and phase defects of foliage in upper VHF and UHF bands. Documented and presented findings to senior ARL scientists.
Administration, 3/1993-Present
Administrator for the UNIX based hazmat.com domain. In charge of the day to day technical and administrative operation of the computers in the domain. Installed and configured operating systems and network services. Installed and configured name servers (BIND), mail servers (Sendmail), wrote Perl, CGI and C programs. Responsible for emergency hardware and software maintenance. Worked to ensure system security, integrity and continuous availability.
Administrated Apache, NCSA, and CERN web servers. Wrote Perl programs for system administration, database access and information servers. Consulted with researchers at the Army Research Lab for the installation of a QNX based Apache web server for remote data logging and access.
Computer Security, 3/1993-Present
Developed and implemented security procedures on both a proactive and reactive basis. Investigated security incidents, and worked with others in the Internet community to track down and bring the perpetrators before the proper authorities. Wrote logfile analysis programs in Perl. Monitored Internet and print resources to maintain up to date knowledge of security hazards and advances.
Remote Surveillance, 1/1997-Present
Designed and developed hardware and software for a remote controlled camera pan/tilt head for low bandwidth, TCP/IP based, remote video surveillance. Programmed drivers for pan/tilt head in C under UNIX. Developed intuitive browser based user interface.
Remote Physical Monitoring, 8/1997-Present
Designed continuous remote temperature monitoring hardware and software. Using C, and Perl under UNIX, developed easy to use interface for data logging and presentation of archival information as inline data in a web page on a geographically separate computer.
Responsible for air suspension modules and end of production line module sorting system. Duties also included analysis of failed components, design and construction of test circuits, acceptance of new machinery, collection and interpretation of process data. Worked closely with component manufacturer's personnel to improve process and product quality. Worked with in-circuit and functional testing.
Programmed barcode scanning and printing system in C and Pascal. Coordinated EPROM programming, burn-in and testing. Modified burn-in oven for proper testing of components.