Project Histories
| Period of Performance | Type of Client / Contract Number | Approximate Level of Effort | Description of Task | |||
| 2008 | Subcontractor to major cellular telephony network | 1 man-month | Measure and create mathematical model of manmade interference to communication between individual cell phones and base stations, and examine FCC rules that may prohibit such interference. | |||
| 2007 | Major manufacturer of advanced technology radio | 4 man-months | Derive original mathematical formulations, create computer simulation, and explore different design options for receiving antennas. | |||
| 2003 | Venture capital group | 2 man-months | Calculations and simulations of a frequency-agile, agricultural radar. | |||
| 2002-2004 | Broadcast consulting firm | 3 man-months | Derive original mathematical formulas and create computer simulation of advanced folded unipole antennas. | |||
| 2002 | Major owner and leasor of urban antenna sites | 1 man-month | Simulate and evaluate the radiation pattern of a dual band (806 MHz and 960 MHz) antenna, including its interaction with the Empire State Building at different locations on that building, with the goal of obtaining best coverage. | |||
| 2001 | Major owner and leasor of communications towers | 6 man-months | Simulate, compare, and present to zoning authorities the advantages and disadvantages of different mountain top locations for communication towers with multiple digital television broadcast antennas, with respect to coverage, interference, and compliance with standards for exposure to electromagnetic radiation. | |||
| 2001 | Subcontractor to U.S. Coast Guard | 2 man-months | Create computer simulation of Loran signal and then simulate and evaluate the response of pass-reject filters to that signal. | |||
| 1998 | Ultra Wideband Device manufacturer | 3 man-months | Simulate electromagnetic fields from multiple Ultra Wideband transmitters, and evaluate potential interference to existing communication and navigation systems. | |||
| 1998 | Broadcast network | 1 man-week | Measure electromagnetic radiation from an FM broadcast station at various residential locations, and compare measurements with FCC standards for exposure to that radiation. | |||
| 1995 | Prime contractor to U.S. Department of Defense | 3 man-months | Develop original computer simulation for radar scattering cross sections, using a generalized trapezoidal surface as the fundamental basis for constructing any arbitrary 3-dimensional shape. | |||
| 1995 | Prime contractor to U.S. Army | 1 man-month | Evaluate expected electromagnetic interference to Ultra Wide Band communication transceivers, over frequencies ranging from 100 MHz to 3 GHz. | |||
| 1994 | Commercial developer | 2 man-weeks | Measure and create graphic display of ambient electromagnetic radiation, at power and radio broadcast frequencies, inside a commercial building in close proximity to the Empire State Building, prior to complete interior remodeling effort. | |||
| 1993 | International electronics company | 2 man-weeks | Detuning: Simulate 656-foot communications tower and modifications for minimizing electromagnetic scattering of incident signals at three different broadcast band frequencies. | |||
| 1992-1993 | Multimedia broadcast network | 6 man-weeks | Create numerical simulation of interference by communication tower guy wires with broadcast antennas. | |||
| 1992-1993 | Prime contractor to U.S. Navy | 5 man-weeks | Create numerical simulation of Ku-band radar antenna and then formulate techniques to reduce side and back lobe radiation. | |||
| 1992 | Wall Street investment bank | 2 man-weeks | Evaluate proposals for reducing magnetic field interference to computer work stations. | |||
| 1992 | Broadcast engineering firm | 1 man-week | Derive mathematical formulas and perform computer simulation of folded unipole antennas for operation at multiple frequencies. | |||
| 1991 | Prime contractor to U.S. Air Force | 2 man-months | Antenna site selection and radio wave propagation path analysis for UHF communication systems. | |||
| 1991 | International financial organization | 1 man-month | Review architectural design for new office building with a view towards minimizing magnetic fields. | |||
| 1990-1992 | Venture capital group | 2 man-years | Perform measurements and simulations of antennas, radio wave propagation, and signal processing for ultra wideband, wireless communication network. | |||
| 1990-1991 | Maryland law firm | 2 man-months | Calculate electromagnetic fields in vicinity of proposed EHV power line. | |||
| 1990 | Venture capital group | 2 man-weeks | Evaluate enginering proposal for millimeter wave television network. | |||
| 1986-1990 | Prime Dept. of Defense contractor | 3 man-years | Compute monostatic and bistatic radar cross sections for various aircraft. | |||
| 1986 | Prime U.S. Government contractor | 6 man-months | Compute unwanted electromagnetic fields inside large office building and simulate possible ways to eliminate same. | |||
| 1986 | Radar systems manufacturer | 1 man-month | Formulate design constraints for compact anechoic chambers. | |||
| 1984-1985 | Manufacturer of electronic security devices and systems | 6 man-months | Analyze and design various small antennas for security of retail merchandise. | |||
| 1983 | Board of Directors for high rise condominium | 1 man-month | Measure electromagnetic fields due to broadcast antennas on roof of high rise, and analyze possible bio-electromagnetic effects of same. | |||
| 1981-1984 | Prime contractor to U.S. Navy | 3 man-years | Write antenna-related sections of technical proposal, and then design antennas for submarines. | |||
| 1981-1983 | NASA/Goddard Space Flight Center NAS5-26503 |
18 man-months | Design dielectric horn antennas for satellite deployment in 60 GHz band. | |||
| 1981 | Hawaiian citizens group | 1 man-week | Perform critical review of engineering statement concerning environmental effects of a high power navigation beacon. | |||
| 1980-1981 | NASA/Goddard Space Flight Center S-75151-B |
2 man-months | Review and summarize reported effects of nonionizing electromagnetic radiation of humans. | |||
| 1980-1981 | Prime contractor to U.S. Dept of Transportation DTFH-61-80-000084 |
2 man-months | Simulate overhead cable antenna systems. | |||
| 1978-1980 | Prime contractor to U.S. Dept. of Transportation FH-11-9517 |
1 man-year | Write antenna-related sections of technical proposal, and then analyze various broadcast band buried cable antennas. | |||
| 1978-1979 | Subcontractor to U.S. Dept. of Defense | 1 man-year | Contrast and compare various data transmission systems for tactical use in Central Europe. | |||
| 1978-1979 | Prime contractor to U.S. Air Force | 1 man-year | Design L-band and UHF antennas for F-4, F-16, and A-10 avionics modules. | |||
| 1978 | Fairfax County (Virginia) Attorney | 1 man-month | Investigate possible bio-electromagnetic effects and alternatives to residential EHV power lines. | |||
| 1977 | Small manufacturer | 1 man-month | Develop theory of electromagnetic air cleaners. | |||
| 1976 | Subcontractor to U.S. Army | 2 man-months | Simulate scanning Cassegrain antenna. | |||
| 1975 - 1988 | George Washington University | 1 man-year | Develop and lecture a short course on antenna analysis. | |||
| 1974 | Small R & D firm | 4 man-months | Simulate radar targets in close proximity to the interface between air and sea water. | |||
| 1972-1974 | Dept. of Defense DAAB07-71-C0300 |
2 man-years | Derive and solve an original integral equation for the electromagnetic fields and propagation of constants of a dielguide with rectangular cross section. | |||
| 1972 to Present | Various radio engineering consulting firms | Assorted tasks, 1 man-month or less | Design and analyze antennas, antenna arrays, electromagnetic interference, and propagation paths for commercial radio, television, and cellular communication applications. |