`
`
`
`BIOGRAPHICAL SKETCH
`
`PAUL G. STEFFES
`PROFESSOR
`SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING
`GEORGIA INSTITUTE OF TECHNOLOGY
`ATLANTA, GEORGIA 30332-0250
`
`
`
`EDUCATION
`
`Electrical Engineering 1977
`S.B.
`S.M. Electrical Engineering 1977
`
`Massachusetts Institute of Technology
`
`Ph.D. Electrical Engineering 1982
`
`Stanford University
`
`
`EMPLOYMENT HISTORY
`
`Massachusetts Institute of Technology, Research Laboratory
`of Electronics, Radio Astronomy and Remote Sensing Group
`
`Graduate Research Assistant
`1976-1977
`
`Watkins-Johnson Company, Sensor Development, San Jose,
`California
`
`Member of the Technical Staff
`
`Stanford University, Electronics Laboratory,
`Center for Radar Astronomy, Stanford, California
`
`Graduate Research Assistant
`1979-1982
`
`Georgia Institute of Technology, School of Electrical and Computer Engineering,
`Atlanta, Georgia
`
`
`
`Assistant Professor
`
`
`
`Associate Professor
`
`
`
`Professor
`
`
`Associate Chair for Graduate Affairs
`
`Associate Chair for Research
`
`
`EXPERIENCE SUMMARY
`
`At Massachusetts Institute of Technology
`
`Responsible for development, operation, and data analysis for an 8-channel, 118 GHz radiometer system
`flown aboard the NASA Flying Laboratory (CV-990) as an engineering model for a meteorological
`sensing satellite. Duties included hardware development of millimeter-wave, microwave, analog, and A
`to D segments of the system, in addition to airborne operation and reduction of data. The research
`resulted in a Master's thesis entitled "Atmospheric Absorption at 118 GHz," detailing the first airborne
`
`1982-1988
`1988-1994
`1994-Present
`2004-2006
`2006-2013
`
`1977-1982
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`APPLE 1004
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`measurement of high altitude atmospheric absorption in the 2.5 millimeter wavelength range, due to
`atmospheric oxygen.
`
`At Watkins-Johnson Company
`
`Responsibilities included proposals and system design and development, particularly in the area of
`millimeter-wave systems. Responsibility for millimeter-wave systems development included government
`sponsored study and development of ELINT (Electronic Intelligence) and radar warning receiving
`systems to frequencies as high as 110 GHz, as well as internal company sponsored development projects
`including a 60 GHz communications system and millimeter-wave downconverters.
`
`At Stanford University
`
`Research was concentrated in the area of microwave radio occultation experiments from Voyager and
`Mariner spacecraft, with specific interest in microwave absorption in planetary atmospheres. Work
`included computer-based theoretical development of microwave absorption coefficients for planetary
`atmospheres, to facilitate the use of radio occultation-derived microwave absorption profiles in
`determining constituent densities. Additional work included the development of a fully instrumented
`experimental facility for use in measuring the microwave properties of planetary atmospheres under
`simulated planetary conditions. The research resulted in a Ph.D. dissertation entitled "Abundances of
`Cloud-Related Gases in the Venus Atmosphere as Inferred from Observed Radio Opacity."
`
`At Georgia Tech
`
`Research Activities: Principal Investigator of the National Science Foundation (NSF) grant, "Remote
`Sensing of Clouds Bearing Acid Rain." This research studied and designed a microwave/millimeter-wave
`system for remotely sensing the pH of acidic clouds (1982-1983). Principal Investigator for the NASA
`Planetary Atmospheres Program grant, "Laboratory Evaluation and Application of Microwave
`Absorption Properties under Simulated Conditions for Planetary Atmospheres." This research involves
`laboratory study of the interaction between atmospheric constituents and electromagnetic waves, with
`application to microwave remote sensing of the atmospheres of Venus and the outer planets using both
`spacecraft and radio telescopes (1984-2015). This project (31 years continuous support, $2.533M) was
`acknowledged by Georgia Tech President Peterson as the longest single-topic research activity supported
`by any NASA science program. Principal Investigator of the GTE Spacenet Program, "Satellite
`Interference Location System (SILS)." The program involved location of uplink signals on the surface of
`the earth without disrupting regular satellite operations (1986-1990). Principal Investigator of the Emory
`University/Georgia Tech Biomedical Technology Research Center project, "Research in Development of
`a Non-Invasive Blood Glucose Monitoring Technique." This research involved the use of active infrared
`systems to determine glucose levels in the human eye and bloodstream (1988-1989), with subsequent
`support (1990-1991) from Lifescan, Inc. Principal Investigator of the NASA Pioneer Venus Guest
`Investigator Program, "Pioneer Venus Radio Occultation (ORO) Data Reduction: Profiles of 13 cm
`Absorptivity." This research inferred 13 cm wavelength absorptivity profiles using the Pioneer Venus
`Orbiter, and then used such profiles to characterize abundance profiles for gaseous H2SO4 in the Venus
`atmosphere (1988-1990). Principal Investigator/Team Member of NASA High Resolution Microwave
`Survey (HRMS). This research involved development and operation of the world's most sensitive
`receiving system used for a 1-10 GHz Sky Survey (1991-1994). Subsequent support was provided by the
`SETI Institute (1994-2000) and involved development of a 30-meter radio telescope system at Woodbury,
`Georgia and a database containing all earth orbiting transmitters. Developer of atmospheric radio
`occultation experiments conducted with the Magellan (Venus) Spacecraft (1991-1994). Director of the
`Georgia Tech Satellite Earth Station System. Responsible for development of a Ku-band uplink/downlink
`system for use in inter-university networks (1985-1995). Principal investigator in the NASA/ACTS
`Propagation Experiments Program (1994-1999). This research involved study of Ka-Band propagation
`effects on CDMA satellite communications systems. Developed prototype Ka-Band CDMA satellite
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`terminal for Raytheon/TI systems, and assisted in evaluation and testing (1997-99). Principal Investigator
`of the NSF Division of Astronomical Sciences Grant, “A Spectrum Study and Demonstration of the Role
`of “Smart Radios” in the Protection of Passive Scientific Radio Services.” This research involved
`development of a Radio Spectrum Evaluation System (RSES) and studies of spectrum usage and
`compatibility (2003-05). Science Team Member and Mission Co-Investigator for the NASA Juno (Jovian
`Polar Orbiter) Mission (2006-2019): NASA selected the Juno Mission as the second “New Frontiers”
`mission in 2005. The Georgia Tech activity has involved development of a new microwave laboratory
`measurement system and application of the new measurements to radiative transfer modeling in support
`of detection and measurement of water vapor in the deep Jovian atmosphere using passive microwave
`radiometry. Juno was successfully launched in August 2011, and will enter Jovian orbit in July 2016.
`Before orbital entry, we will complete the laboratory measurement component of our activity, and focus
`on development of microwave radiative transfer retrieval algorithms, which will allow near real-time
`interpretation of data returned from the Juno microwave radiometer (MWR). (Support level over
`mission, $1.6M). Co- investigator on project with NASA Jet Propulsion Laboratory (JPL) entitled
`“Improved Radio Occultation Retrievals” supporting characterization of atmospheric effects on
`propagation of GPS signals (2015-2016). Principal Investigator for the NASA Solar System Workings
`Program grant, "Laboratory Evaluation and Application of the Millimeter-Wavelength Absorption
`Properties of Gaseous Sulfuric Acid under Simulated Venus Conditions." This research involves
`laboratory study of the interaction between sulfuric acid vapor and millimeter-waves, with application to
`remote sensing of the atmosphere of Venus using both spacecraft and radio telescopes (2016-2019,
`$473K).
`
`Teaching Activities: Was Principal Professor for "Satellite Communications and Navigation Systems"
`(graduate course) and for "Electromagnetics Design" (undergraduate design experience). Also serve as
`developer and coordinating Professor for “Professional Communications Seminar” (for Ph.D. students).
`Currently coordinate the School’s student seminar, providing guidance to both undergrads and first year
`grad students on career paths and on a wide range of professional and research topics. Have also taught
`“Electromagnetics” (Junior level course required of all EE students). Have taught “Antennas,”
`“Introduction to Radar,” "Electromagnetics I and II,” “Electromagnetics Applications,” "Signals and
`Systems," and "Survey of Remote Sensing."
`
`Administrative Activities: Chairman, School of ECE Electromagnetics Technical Group, 1990-1996.
`Associate Chair for Graduate Affairs, 2004-2006, was responsible for graduate admissions and all
`aspects of the graduate program operation including admissions, GTA assignments, advising, fellowship
`awards, and chairing the Graduate Recruitment committee. This involved a program of over 1000
`graduate students. Associate Chair for Research, 2006-2013, responsible for administration of the
`$60M+/yr research operation for the School of ECE including proposal support, deliverable monitoring,
`intellectual property and faculty new-start innovation, and research program development. Was also
`responsible for resolution of issues with industrial research contracts, including conflict-of-interest
`resolution and non-disclosure agreements.
`
`HONORS AND AWARDS
`-Fellow, IEEE (Member of 6 IEEE Societies).
`-Fellow, American Association for the Advancement of Science (AAAS)
`-Recipient of the Stewart Award (MIT for exceptional contribution to student extra-curricular life, 1977).
`-Recipient of the Metro Atlanta Young Engineer of the Year Award, presented by the Society of
`Professional Engineers, 1985.
`-Recipient of the Sigma Xi Young Faculty Research Award, 1988.
`-Associate Editor, Journal for Geophysical Research (JGR-Atmospheres), 1984-1989.
`-Appointed Member of the NASA Management and Operations Working Group for the Planetary
`Atmospheres Program (1986-1990).
`-Recipient of the Sigma Xi Best Faculty Paper Award, 1991.
`
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`-Recipient of the NASA Group Achievement Award, "For outstanding contribution to the design,
`development, and operation of the High Resolution Microwave Survey Project, and its successful
`inauguration," March 1993.
`-Recipient of the 1996 IEEE Judith A. Resnik Award, "For contributions to an understanding of the
`Venus atmosphere through innovative microwave measurements," January 1996.
`-Named to the Editor's list of distinguished reviewers for the journal ICARUS (International Journal of
`Solar System Exploration), ICARUS, v. 134, p185 (August 1998).
`-National Research Council / Space Studies Board Certificate of Appreciation for outstanding service as
`a member of the Task Group on NASA Research and Analysis Programs (1998).
`-Recipient of the “2000-2001 Professor of the Year Award” by the Georgia Tech Graduate Student
`Senate.
`-Named a lifetime National Associate of the National Academy of Sciences, in recognition of service to
`the National Academies, December 2001.
`-Recipient of the Georgia Tech School of ECE Distinguished Faculty Achievement Award, April 2010.
`-Georgia Tech Research Corporation 75th Anniversary Award for Excellence, December 2011.
`-Member, Eta Kappa Nu.
`-Member, Sigma Xi.
`-Recipient of the NASA Group Achievement Award, "For exceptional contributions to the Juno Step 1
`and Step 2 exemplary winning proposal efforts leading to the start of mission development,” August
`2012.
`-Recipient of the NASA Group Achievement Award, "For outstanding contributions to the Juno mission
`leading to successful development, launch, and early operations,” August 2012.
`-Recipient of the Georgia Tech D. Scott Wills ECE Distinguished Mentor Award, April 2015.
`
`OTHER PROFESSIONAL AFFILIATIONS
`Member, American Astronomical Society, Division for Planetary Sciences.
`Member, American Geophysical Union.
`Member, American Institute of Physics.
`Member, American Society for Engineering Education.
`Member (Elected), International Union of Radio Scientists (URSI), Commission J (Radio Astronomy).
`Chairman, Atlanta Chapter, IEEE Antennas and Propagation Society and Microwave Theory and
`Techniques Society, 1986-1988. Director, IEEE Atlanta Section, 1988-1989.
`Georgia Tech Chapter, Sigma Xi, Vice President, 1990-1991; President 1991-1992; Past-President,
`1992-1993.
`Chairman, Publicity Committee, 1993 IEEE International Microwave Symposium.
`Local Arrangements Committee, 2001 American Astronomical Society/ Division for Planetary Sciences
`Meeting.
`
`
`OTHER PROFESSIONAL ACTIVITIES
`-Member of Executive Committee, NASA Venus Exploration Analysis Group )VEXAG, 2015-2018.
`-Member of the Planetary Science Subcommittee (PSS) of the NASA Advisory Council (NAC), 2010-
`2014.
`-Chairman, National Research Council (NAS/NAE) Committee on Radio Frequencies, 1998-2001.
`(Member, 1995-98; Past-Chair, 2001-02).
`-Member, National Research Council (NAS/NAE) Task Group reviewing the NASA Research and
`Analysis Programs. 1996-1998.
`-Member of the selection committee for the IEEE Judith E. Resnik Award, 2007-present.
`-Proposal Reviewer and Panelist for the NASA Solar Systems Observation Program, the NASA Planetary
`Astronomy Program, the NASA Planetary Atmospheres Program, the NASA Planetary Instrument
`Definition and Development Program, the NASA Planetary Data Analysis Programs, the NASA
`Exobiology Program, the NASA Discovery Program, the NASA Pluto-Kuiper Express Mission, the
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`NASA Pluto-Kuiper Belt Mission, the NASA/ESA Rosetta Mission, the NASA Microgravity
`Biotechnology Program, the NSF Communications Research Program, the NIH SBIR Program, the CDC
`Technology Development Grants Program, and the Juvenile Diabetes Foundation International Grants
`Program..
`-Reviewer/Referee for Icarus (International Journal of Solar System Studies), Journal of Geophysical
`Research, RadioScience, IEEE Microwave and Guided Wave Letters, Science, Diabetes Technology and
`Therapeutics, IEEE Transactions on Geoscience and Remote Sensing, IEEE Transactions on Microwave
`Theory and Techniques, Earth and Planetary Science Letters, and for several textbooks in the area of
`electromagnetics.
`-Consultant to industry in the areas of microwave, millimeter-wave, and RF systems for communications,
`detection, and monitoring. This includes satellite communications, antenna systems, and propagation.
`Also consult in the area of non-invasive glucose detection systems. Expert witness in cases involving
`antenna/communications system performance, and the effects of environmental factors on such systems.
`Has been a principal expert witness in the area of cellular telephone position estimation. Testimony was
`heavily cited in the September 2000 Georgia Supreme Court decision which allowed use of reception
`records from cell towers to be used in determination of handset location (Pullin v. the State of Georgia,
`S00A1063, Supreme Court of Georgia).
`
`
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`
`PATENTS
`
`E. H. Orr and P. G. Steffes, "Method and System for Detecting Water Depth and Piloting Vessels,"
`Patent # 4,757,481, issued July 12, 1988.
`
`R. V. Tarr and P. G. Steffes, "Non-Invasive Blood Glucose Measurement System," Patent #5,243,983,
`issued September 14, 1993.
`
`P.G. Steffes, “Non-Invasive Blood Glucose Measurement System and Method Using Optical
`Refractometry,” Patent #6,442,410, issued August 27, 2002.
`
`PUBLICATIONS
`
`Theses
`
`P. G. Steffes, "A Microwave (UHF) Television Repeater System," S.B. Thesis, Massachusetts Institute of
`Technology, 1976.
`
`P. G. Steffes, "Atmospheric Absorption at 118 GHz," S.M. Thesis, Massachusetts Institute of
`Technology, 1977.
`
`P. G. Steffes, "Abundances of Cloud-Related Gases in the Venus Atmosphere as Inferred from Observed
`Radio Opacity," Ph.D. Dissertation, Stanford University, 1982.
`
`Books
`
`A.W. England, P. G. Steffes et al., Supporting Research and Data Analysis in NASA's Science Programs:
`Engines for Innovation and Synthesis. National Academy Press, Washington, D. C. ISBN 0-309-06275-
`6, 1998.
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`P. G. Steffes and J. Stratigos "Satellite Technologies Serving as Last-Mile Solutions," in Broadband Last
`Mile: Access Technologies for Multimedia Communications, ed. Nikil Jayant, Taylor and Francis Books,
`USA , CRC Press, Boca Raton, FL, ISBN: 0-824-75886-2, May 2005.
`
`R.E. Deemer, P. G. Steffes et al., Review of the Space Communications Program of NASA’s Space
`Operations Mission Directorate National Academy Press, Washington, D. C. ISBN 0-309-10297-9,
`2006.
`
`
`
`Journal Publications
`
`P. G. Steffes and R. A. Meck, "Prototype Tests Secure Millimeter Communications," Microwave
`Systems News, vol. 10, pp. 59-68, October 1980.
`
`V. R. Eshleman, D. O. Muhleman, P. D. Nicholson, and P. G. Steffes, "Comment on Absorbing Regions
`in the Atmosphere of Venus as Measured by Radio Occultation," Icarus, vol. 44, pp. 793-803, December
`1980.
`
`P. G. Steffes and V. R. Eshleman, "Sulfur Dioxide and Other Cloud-Related Gases as the Source of the
`Microwave Opacity of the Middle Atmosphere of Venus," Icarus, vol. 46, pp. 127-131, April 1981.
`
`P. G. Steffes and V. R. Eshleman, "Laboratory Measurements of the Microwave Opacity of Sulfur
`Dioxide and Other Cloud-Related Gases Under Simulated Conditions for the Middle Atmosphere of
`Venus," Icarus, vol. 48, pp. 181-187, November 1981.
`
`P. G. Steffes and V. R. Eshleman, "Sulfuric Acid Vapor and Other Cloud-Related Gases in the Venus
`Atmosphere: Abundances Inferred from Observed Radio Opacity," Icarus, vol. 51, pp. 322-333, August
`1982.
`
`P. G. Steffes, "Millimeter-Wavelength Remote Sensing of Stratospheric Sulfur Dioxide," EOS, vol. 64,
`pp. 198-199, May 1983.
`
`P. G. Steffes, "Laboratory Measurements of the Microwave Opacity and Vapor Pressure of Sulfuric Acid
`Under Simulated Conditions for the Middle Atmosphere of Venus," Icarus, vol. 64, pp. 576-585,
`December 1985.
`
`P. G. Steffes, "Evaluation of the Microwave Spectrum of Venus in the 1.2 to 22 cm Wavelength Range
`Based on Laboratory Measurements of Constituent Gas Opacities," Astrophysical Journal, vol. 310, pp.
`482-489, November 1, 1986.
`
`P. G. Steffes and J. M. Jenkins, "Laboratory Measurements of the Microwave Opacity of Gaseous
`Ammonia (NH3) Under Simulated Conditions for the Jovian Atmosphere," Icarus, vol. 52, pp. 35-47,
`October 1987.
`
`J. M. Jenkins and P. G. Steffes, "Constraints on the Microwave Opacity of Gaseous Methane and Water
`Vapor in the Jovian Atmosphere," Icarus, vol. 76, December 1988.
`
`J. Joiner, P. G. Steffes, and J. M. Jenkins, "Laboratory Measurements of the 7.5-9.38 mm Absorption of
`Gaseous Ammonia (NH3) Under Simulated Jovian Conditions," Icarus, vol. 81, pp. 386-395, 1989.
`
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`W. W. Smith and P. G. Steffes, “Time Delay Techniques for a Satellite Interference Location System,"
`IEEE Transactions on Aerospace and Electronic Systems, vol. 25, pp. 224-231, March 1989.
`
`P. G. Steffes, M. J. Klein, and J. M. Jenkins, "Observation of the Microwave Emission of Venus from 1.3
`to 3.6 cm," Icarus, vol. 84, pp. 83-92, March 1990.
`
`J. M. Jenkins and P. G. Steffes, "Results for 13 cm Absorptivity and H2SO4 Abundance Profiles from
`the Season 10 (1986) Pioneer-Venus Orbiter Radio Occultation Experiment," Icarus, vol. 90, pp.
`129-138, March 1991.
`
`W. W. Smith, Jr. and P. G. Steffes, "A Satellite Interference Location System Using Differential Time
`and Phase Measurement Techniques," IEEE Aerospace and Electronic Systems Magazine, vol. 6, pp. 3-7,
`March 1991.
`
`A. K. Fahd and P. G. Steffes, "Laboratory Measurement of the Millimeter-Wave Properties of Liquid
`Sulfuric Acid (H2SO4)," Journal of Geophysical Research (Planets), vol. 96, pp. 17,471-17,476,
`September 25, 1991.
`
`J. Joiner and P. G. Steffes, "Modeling of the Millimeter-Wave Emission of Jupiter Utilizing Laboratory
`Measurements of Ammonia (NH3) Opacity," Journal of Geophysical Research (Planets), vol. 96, pp.
`17,463-17,470, September 25, 1991.
`
`P. G. Steffes and G. P. Rodrigue, "Comment on Rapid Pulsed Microwave Propagation," IEEE Microwave
`and Guided Wave Letters, vol. 2, pp. 200-201, May 1992.
`
`A. K. Fahd and P. G. Steffes, "Laboratory Measurements of the Microwave and Millimeter-Wave
`Opacity of Gaseous Sulfur Dioxide (SO2) under Simulated Conditions for the Venus Atmosphere,"
`Icarus, vol. 97, pp. 200-210, June 1992.
`
`A.J. Gasiewski and P.G. Steffes, "University Profile: The Laboratory for Radioscience and Remote
`Sensing at the Georgia Institute of Technology, IEEE Geoscience and Remote Sensing Society
`Newsletter, vol. 88, pp. 16-21, September 1993.
`
`J. Joiner, P. G. Steffes, and K. S. Noll, "Search for Sulfur (H2S) on Jupiter at Millimeter Wavelengths,"
`IEEE Transactions on Microwave Theory and Techniques, vol. 40, pp. 1101-1109, June 1992.
`
`P. G. Steffes and D. R. DeBoer, "A SETI Search of Nearby Solar-Type Stars at the 203 GHz Positronium
`Hyperfine Resonance," Icarus , vol. 107, pp. 215-218, January, 1994.
`
`D. R. DeBoer, and P.G. Steffes, "Laboratory Measurements of the Microwave Properties of H2S under
`Simulated Jovian Conditions with an Application to Neptune", Icarus, Vol. 109, pp. 352-366, June 1994.
`
`P. G. Steffes, J. M. Jenkins, R. S. Austin, S. W. Asmar, D. T. Lyons, E. H. Seale, and G. L. Tyler, "Radio
`Occultation Studies of the Venus Atmosphere with the Magellan Spacecraft. 1. Experiment Description
`and Performance," Icarus, vol. 110, pg. 71-78, July 1994.
`
`J. M. Jenkins, P. G. Steffes, J. Twicken, D. P. Hinson, and G. L. Tyler, "Radio Occultation Studies of the
`Venus Atmosphere with the Magellan Spacecraft 2. Results from the October 1991 Experiment" Icarus,
`vol. 110, pg. 79-94, July 1994.
`
`D. R. DeBoer and P. G. Steffes, "The Georgia Tech High Sensitivity Microwave Measurement System,"
`Astrophysics and Space Science, Vol. 236, pp. 111-124, February 1996.
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`S. H. Suleiman, M. A. Kolodner, and P. G. Steffes, "Laboratory Measurement of the Temperature
`Dependence of Gaseous Sulfur Dioxide (SO2) Microwave Absorption with Application to the Venus
`Atmosphere," Journal of Geophysical Research, Vol. 101, Number E2, pp. 4623-4635, February 1996.
`
`D. R. DeBoer and P. G. Steffes, "Estimates of the Troposheric Vertical Structure of Neptune Based on
`Microwave Radiative Transfer Studies," Icarus, vol. 123, pp. 324-335, October 1996.
`
`M. S. Alouini, S. A. Borgsmiller, and P. G. Steffes, "Channel Characterization and Modeling for Ka-
`Band Very Small Aperture Terminals," Proceedings of the IEEE, vol. 85, pp. 981-997, June 1997.
`
`M. A. Kolodner and P. G. Steffes, "The Microwave Absorption and Abundance of Sulfuric Acid Vapor
`in the Venus Atmosphere based on New Laboratory Measurements," Icarus, vol. 132, pp. 151-169,
`March 1998.
`
`R. V. Tarr and P. G. Steffes (invited), "The Non-Invasive Measure of D-glucose in the Ocular Aqueous
`Humor using Stimulated Raman Spectroscopy," IEEE LEOS Newsletter, vol. 12, pp. 22-27, April 1998.
`
`P.G. Steffes (invited), “Laser-Based Measurement of Glucose in the Ocular Aqueous Humor: An
`Efficacious Portal for Determination of Serum Glucose Levels,” Diabetes Technology and Therapeutics,
`vol. 1, pp.129-133, Summer 1999.
`
`J. P. Hoffman, P.G. Steffes, and D.R. DeBoer, “Laboratory Measurements of Phosphine’s Microwave
`Opacity: Implications for Planetary Radio Science,” Icarus, vol. 140, pp. 235-238, July 1999.
`
`D.R. DeBoer and P. G. Steffes, “Performance and Uses of a Refurbished 30-m Former Satellite
`Communications Antenna: The Georgia Tech Woodbury Research Facility,” RadioScience, vol. 34, pp.
`991-1003, July-August 1999.
`
`J.P. Hoffman, P.G. Steffes, and D.R. DeBoer, “The Microwave Absorption and Abundance of Phosphine
`in the Atmospheres of Saturn and Neptune Based on New Laboratory Measurements.” Icarus, vol. 152,
`pp. 172-184, July 2001.
`
`B.J. Butler, P.G. Steffes, S.H. Suleiman, M.A. Kolodner and J.M. Jenkins, “Accurate and Consistent
`Microwave Observations of Venus and Their Implications.” Icarus, vol. 154, pp. 226-238, December
`2001.
`
`J.M. Jenkins, M.A. Kolodner, B.J. Butler, S.H. Suleiman, and P.G. Steffes, “Microwave Remote Sensing
`of the Temperature and Distribution of Sulfur Compounds in the Lower Atmosphere of Venus.” Icarus,
`vol. 158, pp. 312-328, August 2002.
`
`P.N. Mohammed and P.G. Steffes, “Laboratory Measurements of the Ka-band (7.5mm to 9.2mm)
`Opacity of Phosphine (PH3) and Ammonia (NH3) under Simulated Conditions for the Cassini-Saturn
`Encounter.” Icarus, vol. 166, pp. 425-435, December 2003.
`
`P.N. Mohammed and P.G. Steffes, “Laboratory Measurements of the W-band (3.2 mm) Properties of
`Phosphine (PH3) and Ammonia (NH3) under Simulated Conditions for the Outer Planets.” Journal of
`Geophysical Research, vol 109, no. E07S13, pp 1-9, July 2004.
`
`T.R. Hanley and P.G. Steffes, “Laboratory Measurements of the Microwave Opacity of Hydrochloric
`Acid Vapor in a Carbon Dioxide Atmosphere,” Icarus, vol. 177, pp. 286-290, September 2005.
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`T. R. Hanley and P.G. Steffes, “A High-Sensitivity Laboratory System for Measuring the Microwave
`Properties of Gases under Simulated Conditions for Planetary Atmospheres,” Radio Science, vol 42,
`RS6010, pp.1-12, November-December 2007.
`
`W.C. Barott and P.G. Steffes, “A 3-D Pattern-Space Representation for Volumetric Arrays,” IEEE
`Antennas and Wireless Propagation Letters, vol.7, pp. 527-530, December 2008.
`
`T. R. Hanley, P.G. Steffes, and B.M. Karpowicz, “A New Model of the Hydrogen and Helium-
`Broadened Microwave Opacity of Ammonia Based on Extensive Laboratory Measurements,” Icarus, vol.
`202, pp. 316-335, July 2009.
`
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`W.C. Barott and P.G. Steffes, “Grating Lobe Reduction in Aperiodic Linear Arrays of Physically Large
`Antennas,” IEEE Antennas and Wireless Propagation Letters, vol. 8, pp 406-408, December 2009.
`
`W.C. Barott, M.A. Ingram, and P.G. Steffes, “Scan Loss Pattern Synthesis for Single- and Multi-satellite
`Tracking LEO Ground Stations That Use Adaptive Arrays," IEEE Transactions on Aerospace and
`Electronic Systems, vol. 46, pp. 1140-1152, July 2010.
`
`K. Devaraj and P.G. Steffes, “The Georgia Tech Millimeter-Wavelength Measurement System and Some
`Applications to the Study of Planetary Atmospheres” Radio Science, vol. 46, RS2014, pp. 1-16, March-
`April 2011.
`
`B.M. Karpowicz and P.G. Steffes, “In Search of Water Vapor on Jupiter: Laboratory Measurements of
`the Microwave Properties of Water Vapor under Simulated Jovian Conditions," Icarus, vol. 212, pp. 210-
`223, March 2011.
`
`K. Devaraj, P.G. Steffes, and B.M. Karpowicz, “Reconciling the Centimeter and Millimeter-Wavelength
`Ammonia Absorption Spectra Under Jovian Conditions: Extensive Millimeter-Wavelength
`Measurements and a Consistent Model,” Icarus, vol. 212, pp. 224-235, March 2011.
`
`B.M. Karpowicz and P.G. Steffes, “Corrigendum to ‘In Search of Water Vapor on Jupiter: Laboratory
`Measurements of the Microwave Properties of Water Vapor under Simulated Jovian Conditions’ [Icarus
`212 (2011) 210-223]," Icarus, vol. 214, p. 783, August 2011.
`
`B.M. Karpowicz and P.G. Steffes, “Investigating the H2-He-H2O-CH4 Equation of State in the Deep
`Troposphere of Jupiter," Icarus, vol. 223. pp. 277-297, March 2013.
`
`D. Duong, P.G. Steffes, and S. Noorizadeh, “The Microwave Properties of the Jovian Clouds: A New
`Model for the Complex Dielectric Constant of Aqueous Ammonia,” Icarus, vol. 229, pp. 121-130,
`February 2014.
`
`K. Devaraj, P.G. Steffes, and D. Duong, "The Centimeter-Wavelength Opacity of Ammonia under Deep
`Jovian Conditions," Icarus, vol. 241, pp. 165-179, October 2014.
`
`P.G. Steffes, P. Shahan, G.C. Barisich, and A. Bellotti, “Laboratory Measurements of the 3.7-20 cm
`Wavelength Opacity of Sulfur Dioxide and Carbon Dioxide under Simulated Conditions for the Deep
`Atmosphere of Venus,” Icarus, vol 245, pp. 153-161, January 2015.
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`A. Bellotti and P.G. Steffes, “The Millimeter-Wavelength Sulfur Dioxide Absorption Spectra Measured
`Under Simulated Venus Conditions,” Icarus, vol 254, pp. 24-33, July 2015.
`
`Bellotti A., P.G. Steffes, and G. Chinsomboon “Laboratory Measurements of the 5-20 cm Wavelength
`Opacity of Ammonia, Water Vapor, and Methane under Simulated conditions for the Deep Jovian
`Atmosphere,” Icarus, vol. 280, pp. 255-267, December 2016. ( doi: 10.1016/j.icarus.2016.07.013.)
`
`Bellotti A., P.G. Steffes, and G. Chinsomboon “Corrigendum to ‘Laboratory Measurements of the 5-20
`cm Wavelength Opacity of Ammonia, Water Vapor, and Methane under Simulated conditions for the
`Deep Jovian Atmosphere’ [Icarus 280 (2016) 255-267]” Icarus, vol. 284, pp. 491-492, March 2017.
`(doi: 10.1016/j.icarus.2016.11.006.)
`
`
`Bolton, S.J., A. Adriani, V. Adumitroaie, J. Anderson, M. Allison, J. Anderson, S. Atreya, J. Bloxham, S.
`Brown, J. E.P. Connerney, E. DeJong, W. Folkner, D. Gautier, D. Grassi, S. Gulkis, T. Guillot, C.
`Hansen, W.B. Hubbard, L. Iess, A. Ingersoll, M. Janssen, J. Jorgensen, Y. Kaspi, S. M. Levin, C. Li, J.
`Lunine, Y. Miguel, A. Mura, G. Orton, T. Owen, M. Ravine, E. Smith, P. Steffes, E. Stone, D.
`Stevenson, R. Thorne, J. Waite, D. Durante, R.W. Ebert, T.K. Greathouse, V. Hue, M. Parisi, J. Szalay,
`R. Wilson “Jupiter’s interior and deep atmosphere: The initial pole-to-pole passes with the Juno
`spacecraft,” Science, vol. 356, Issue 6340, pp. 821-825, May 26, 2017. (doi: 10.1126/scicence.aal2108)
`
`
`Li, C., A. Ingersoll, M.A. Janssen, S.M. Levin, S.J. Bolton, V. Adumitroaie, M. Allison, J. Arballo, A.
`Bellotti, S. Brown, S.P. Ewald, L.A. Jewell, S. Misra, G.S. Orton, F.A. Oyafuso, P. Steffes, R.
`Williamson “The distribution of ammonia on Jupiter from a preliminary inversion of Juno Microwave
`Radiometer data,” Geophysical Research Letters, Vol 44, Issue 11, pp. 5317-5325, June 16, 2017 (doi:
`10.1002/2017GL073159).
`
`Ingersoll, A.P., V. Adumitroaie, M.D. Allison, S. Atreya, A. A. Bellotti, S.J. Bolton, S.T. Brown, S.
`Gulkis, M.A. Janssen, S.M. Levin, C. Li, L. Li, J.I. Lunine, G.S. Orton, F.A. Oyafuso, P.G. Steffes
`“Implications of the ammonia distribution on Jupiter from 1 to 100 bars as measured by the Juno
`microwave radiometer,” Geophysical Research Letters, Vol 45, Issue 1, pp. 317-325, August 5, 2017
`(doi: 10.1002/2017GL074277).
`
`P.G. Steffes, T.R. Hanley, B.M. Karpowicz, K. Devaraj, S. Noorizadeh, D. Duong, G. Chinsomboon, A.
`Bellotti, M.A. Janssen, and S.J. Bolton, “High-Precision Laboratory Measurements Supporting Retrieval
`of Water Vapor, Gaseous Ammonia, and Aqueous Ammonia Clouds with the JUNO Microwave
`Radiometer (MWR),” Space Science Reviews, vol. 213, no.1-4, pp. 187-204, November 2017.
`(doi:10.1007/s11214-016-0265-0) .
`
`Janssen, M.A., J.E. Oswald, S.T. Brown, S. Gulkis, S.M. Levin, S.J. Bolton, , M.D. Allison, , S.K.
`Atreya, D. Gautier, , A.P. Ingersoll, J.I. Lunine, G.S. Orton, T. Owen, P.G. Steffes, V. Adumitroaie,
`A. Bellotti, L. A. Jewell, C. Li, L. Li, S. Misra, F.A. Oyafuso, D. Santos-Costa, E. Sarkissian, R.
`Williamson, J.K. Arballo, A. Kitiyakara, A. Ulloa-Severino, J.C. Chen, F.W. Maiwald, A.S. Sahakian,
`P.J. Pingree, K.A. Lee, A.S. Mazer, R. Redick, R.E. Hodges, R.C. Hughes, , G. Bedrosian, D.E. Dawson,
`W.A. Hatch, D.S. Russel, N.F. Chamberlain, M.S. Zawadski, B. Khayatian, B.R. Franklin, H.A. Conley,
`J.G. Kempenaar, M.S. Loo, E.T. Sunada, V.P. Vorperion, C.C. Wang, “MWR: Microwave Radiometer
`for the Juno Mission to Jupiter,” Space Science Reviews, vol. 213, no. 1-4, pp. 139-185, November 2017
`(doi:10.1007/s11214-017-0349-5) .
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`Brown, S., M. Janssen, V. Adumitroaie, S. Atreya, S. Bolton, S. Gulkis , A. Ingersoll, S. Levin, C. Li, L.
`Li, J. Lunine, S. Misra, G. Orton, P. Steffes, F. Tabataba-Vakili, I. Kolmasova, M. Imai, O. Santolik, W.
`Kurth, G. Hospodarsky, D. Gurnett, and J. Connerney, “Prevalent lightning sferics at 600 megahertz near
`Jupiter’s poles,” Nature, vol. 558, issue no. 7708, pp. 87-90, June 6, 2018. (doi: 10.1038.s41586-018-
`0156-5).
`
`Mendez Harper, J., P. Steffes, J. Dufek, and A. Akins, “Detecting electrostatic processes in volcanic
`plumes using GPS,” submitted to Journal of Geophysical Research-Atmospheres, May 2018.
`
`
`Conference Presentations with Published Proceedings or Abstracts
`
`P. G. Steffes, "Sulfur Dioxide and Other Cloud-Related Gases as Microwave Absorbers in the Middle
`Atmosphere