Bibliography

BIBLIOGRAPHY G. LEONARD TYLER

JOURNAL PAPERS

Ahmad, B. , and G. L. Tyler, "The 2-D Resolution Kernel associated with Retrieval of Ionospheric and Atmospheric Refractivity Profiles by Abelian Inversion of Radio Occultation Phase Data," submitted to RADIO SCIENCE, April 11, 1997.

Simpson, R. A., J. E. Baron, G. L. Tyler, H. J. Moore, J. K. Harmon, and M. A. Slade, "Inference of Block Populations from Radar Backscatter: Application to Pathfinder Landing Site Characterization," to be submitted .... March 4, 1996.

Baron, J. E., R. A. Simpson, and G. L. Tyler, "Radiowave Scattering from Surface and Subsurface Heterogeneities," ICARUS, vol. 122, no. 2, pp. 383-396, August, 1996.

Wong, P. B., G. L. Tyler, J. E. Baron, E. M. Gurrola, and R. A. Simpson, "A Three-Wave FDTD Approach to Surface Scattering with Applications to Remote Sensing of Geophysical Surfaces," IEEE TRANSACTIONS ON ANTENNAS ANDPROPAGTION, vol. 44, no. 4, pp. 504-514, April,1996.

Bird, M. K., M. Allison, S. W. Asmar, D. H. Atkinson, P. Edenhofer, M. Heyl, L. Iess, D. Plettemeier, G. L. Tyler, and R. Wohlmuth, "The Huygens Doppler Wind Experiment," Special Publications Series, European Space Agency, September 13, 1995.

Holmann, E., G. L. Tyler, and I. R. Linscott, "Transistor Level Reliability Estimation of Combinational Curcuits," submitted to IEEE TRANSACTIONS ON RELIABILITY, June 1, 1995.

Steffes, P. G., 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. Experimental Description and Performance," ICARUS, vol. 110, no. 1, pp. 71-78, July, 1994.

Jenkins, J. M., P. G. Steffes, D. P. Hinson, J. D. Twicken, and G. L. Tyler, "Radio Occultation Studies of the Venus Atmosphere with the Magellan Spacecraft. 2. Results from the October 1991 Experiments," ICARUS, vol. 110, no. 1, pp. 79-94, July, 1994.

Gresh, D. L., E. A. Marouf, and G. L. Tyler, "Coherent Extinction by Packed Planetary Ring Models: Implications for Radio Occultation Observations," to be submitted to RADIO SCIENCE.

Gresh, D. L., E. A. Marouf, and G. L. Tyler, "Voyager Radio Occultation by Uranus' Rings II. Eccentricity Gradients, Confining Satellites, Thickness, and Particle Sizes," submitted to ICARUS, November, 1993. Tyler, G. L., R. A. Simpson, M. M. Maurer, and E. Holmann, "Scattering Properties of Venus Surface: Preliminary Results from Magellan," JOURNAL OF GEOPHYSICAL RESEARCH (Planets) vol. 97, no. E8, August 25, 1992.

Tyler, G. L., G. Balmino, D. P. Hinson, W. L. Sjogren, D.E. Smith, R. T. Woo, S. M. Asmar, M. J. Connally, C. L. Hamilton, R. A. Simpson, "Radio Science Investigations with Mars Observer," JOURNAL OF GEOPHYSICAL RESEARCH (Planets) vol. 97, no. E5, May 25, 1992.

Rosen, P. A., G. L. Tyler, and E. A. Marouf, "Resonance Structures in Saturn's Rings Probed by Radio Occultation I: Methods and Examples," ICARUS, vol. 93, no. 1, pp 3-24, September, 1991.

Rosen, P. A., G. L. Tyler, E. A. Marouf, and J. J. Lissauer, "Resonance Structures in Saturn's Rings Probed by Radio Occultation II: Results and Interpretation," ICARUS, vol. 93, no. 1, pp 25-44, September, 1991.

Krisher, T. P., J. D. Anderson, D. D. Morabito, S. W. Asmar, S. E. Borutzki, M. L. Delitsky, A. C. Densmore, P. M. Eshe, G. D. Lewis, M. J. Maurer, D. C. Roth, Y. H. Son, T. R. Spilker, D. N. Sweetnam, A. H. Taylor, G. L. Tyler, D. L. Gresh, and P. A. Rosen, "Radio Range Measurements of Coronal Electron Densities at 13 and 3.6 Centimeter Wavelengths During the 1988 Solar Conjunction of Voyager 2 , " ASTROPHYSICAL JOURNAL, vol. 375, pp L57-L60, July 10, 1991.

Tyler, G. L., P. G. Ford, D. B. Campbell, C. Elachi, G. H. Pettengill, and R. A. Simpson, "Magellan: Electrical and Physical Properties of Venus' Surface," SCIENCE, vol. 252, no. 5003, pp. 265-270, April 12, 1991.

Lindal, G.F., J.R. Lyons, D.N. Sweetnam, V.R. Eshleman, D.P. Hinson, and G.L. Tyler, "The Atmosphere of Neptune: Results of Radio Occultation Measurements with the Voyager 2 Spacecraft," GEO. RES. LETTS., Vol. 17, No. 10, pp. 1733-1735, September 1990.

Tyler, G.L., D.N. Sweetnam, J.D. Anderson, S.E. Borutzki, J.K. Campbell, V.R. Eshleman, D.L. Gresh, E.M. Gurrola, D. P. Hinson, N. Kawashima, E. R. Kursinski, G. S. Levy, G. F. Lindal, J. R. Lyons, E. A. Marouf, P. A. Rosen, R.A. Simpson, G. E. Wood, "Voyager Radio Science Observations of Neptune and Triton," SCIENCE, vol. 246, no. 4936, pp 1466-1473, December 15, 1989.

Gresh, D.L., E. A. Marouf, G.L. Tyler, P. A. Rosen, and R. A. Simpson, "Voyager Radio Occultation by Uranus' Rings. 1. Observational Results," ICARUS, vol. 78, no. 1, pp. 131-168, March 1989

Anderson, J. D., J. K. Campbell, R. A. Jacobson, D. N. Sweetnam, A. H. Taylor, A. J. R. Prentice and G. L. Tyler, "Radio Science with Voyager 2 at Uranus: Results on Masses and Densities of the Planet and Five Principal Satellites," JOURNAL OF GEOPHYSICAL RESEARCH (SPACE PHYSICS), vol. 92, no. A13, pp. 14,877-14,883, December 30, 1987. Anderson, J. D., T. P. Krisher, S. E. Borutzki, M. J. Connally, P. M. Eshe, H. B. Hotz, S. Kinslow, E. R. Kursinski, L. B. Light, S. E. Matousek, K. I. Moyd, D. C. Roth, D. N. Sweetnam, A. H. Taylor, G. L. Tyler, D. L. Gresh and P. A. Rosen, "Radio Range Measurements of Coronal Electron Densities at 13 cm and 3.6 cm Wavelengths During the 1985 Solar Conjunction of Voyager 2," ASTROPHYSICAL JOURNAL (LETTERS), vol. 323, pp. L141-L143, December 15, 1987.

Lindal, G. F., J. R. Lyons, D. N. Sweetnam, V. R. Eshleman, D. P. Hinson, and G. L. Tyler, "The Atmosphere of Uranus: Results of Radio Occultation Measurements," JOURNAL OF GEOPHYSICAL RESEARCH, vol. 92, no. A13, pp. 14987-15001, December 30, 1987.

Tyler, G.L., "Radio Propagation Experiments in the Outer Solar System with Voyager," Invited Paper, PROCEEDINGS OF THE IEEE, vol. 75, no. 10, pp. 1404-1431, October 1987.

Gresh, D. L., P. A. Rosen, G. L. Tyler and J. J. Lissauer, "An Analysis of Bending Waves in Saturn's Rings as Seen in Voyager Radio Occultation Data," ICARUS, vol. 68, pp. 481-502, December, 1986.

Marouf, E. A. and G. L. Tyler, "Detection of Two Satellites in the Cassini Division of Saturn's Rings," NATURE, vol. 323, pp. 31-35, September, 1986.

Marouf, E. A., G. L. Tyler and P. A. Rosen, "Profiling Saturn's Rings by Radio Occultation," ICARUS, vol. 68, pp. 120-166, October, 1986.

Tyler, G. L., D. N. Sweetnam, J. D. Anderson, J. K. Campbell, V. R. Eshleman, D. P. Hinson, G. S. Levy, G. F. Lindal, E. A. Marouf and R. A. Simpson, "Voyager 2 Radio Science Observations of the Uranian System: Atmosphere, Rings and Satellites," SCIENCE, vol. 233, no. 4759, pp. 79-84, July, 1986.

Zebker, H. A., E. A. Marouf and G. L. Tyler, "Saturn's Rings: Particle Size Distributions for Thin Layer Models," ICARUS, vol. 64, pp. 531-548, December, 1985.

Simpson, R. A., G. L. Tyler and G. G. Schaber, "Viking Bistatic Radar Experiment: Summary of Results in Near-Equatorial Regions," JOURNAL OF GEOPHYSICAL RESEARCH, vol. 89, no. 1312, pp. 10385-10404, November, 1984.

Simpson, R. A., G. L. Tyler, E. A. Marouf, H. A. Zebker and V. R. Eshleman, "Saturn's Rings: Voyager 1 Radio Occultation Experiment Results," IEEE TRANSACTIONS ON GEOSCIENCE ELECTRONICS AND REMOTE SENSING, GE, vol. 22, no. 6, pp. 656-665, November, 1984.

Zebker, H. A. and G. L. Tyler, "Thickness of Saturn's Rings Inferred from Voyager 1 Observations of Microwave Scatter," SCIENCE, vol. 223, pp. 396-398, January, 1984.

Eshleman, V. R., J. V. Breakwell, G. L. Tyler and E. A. Marouf, "W-Shaped Occultation Signatures: Inference of Entwined Particle Orbits in Charged Planetary Ringlets," ICARUS, vol. 54, pp. 212-226, May, 1983. Eshleman, V. R., G. F. Lindal and G. L. Tyler, "Is Titan Wet or Dry?," SCIENCE, vol. 221, pp. 53-55, July, 1983.

Esposito, L. W., N. Borderies, P. Goldreich, J. N. Cuzzi, J. B. Holberg, A. L. Lane, R. B. Pomphrey, R. J. Terrile, J. J. Lissauer, E. A. Marouf and G. L. Tyler, "Eccentric Ringlet in the Maxwell Gap at 1.45 Saturn Radii: Multi-Instrument Voyager Observations," SCIENCE, vol. 222, no. 4619, pp. 57-60, October 7,1983.

Hinson, D. P. and G. L. Tyler, "Internal Gravity Waves in Titan's Atmosphere Observed by Voyager Radio Occultation," ICARUS, vol. 54, pp. 337-352, May, 1983.

Lindal, G. F., G. E. Wood, H. B. Hotz, D. N. Sweetnam, V. R. Eshleman and G. L. Tyler, "The Atmosphere of Titan: An Analysis of the Voyager 1 Radio Occultation Measurements," ICARUS, vol. 53, pp. 348-363, February, 1983.

Marouf, E. A., G. L. Tyler, H. A. Zebker, R. A. Simpson and V. R. Eshleman, "Particle Size Distributions in Saturn's Rings from Voyager 1 Radio Occultation," ICARUS, vol. 54, pp. 189- 211, May, 1983.

Simpson, R. A., G. L. Tyler and J. B. Holberg, "Saturn's Pole: Geometric Correction Based on Voyager UVS and Radio Occultations," THE ASTRONOMICAL JOURNAL, vol. 88, no. 10, pp. 1531-1536, October, 1983.

Tyler, G. L., E. A. Marouf, R. A. Simpson, H. A. Zebker and V. R. Eshleman, "The Microwave Opacity of Saturn's Rings at Wavelengths of 3.6 and 13 cm from Voyager 1 Radio Occultation," ICARUS, vol. 54, pp. 160-188, May, 1983.

Zebker, H. A., G. L. Tyler and E. A. Marouf, "On Obtaining the Forward Phase Functions of Saturn Ring Features from Radio Occultation Observations," ICARUS, vol. 56, pp. 209-228, November, 1983.

Hinson, D. P. and G. L. Tyler, "Spatial Irregularities in Jupiter's Upper Ionosphere Observed by Voyager Radio Occultations," JOURNAL OF GEOPHYSICAL RESEARCH, vol. 87, no. 7, pp. 5275-5289, July, 1982.

Marouf, E. A., G. L. Tyler and V. R. Eshleman, "Theory of Radio Occultation by Saturn's Rings," ICARUS, vol. 49, pp. 161-194, February, 1982.

Marouf, E. A. and G. L. Tyler, "Microwave Edge Diffraction by Features in Saturn's Rings: Observations with Voyager 1," SCIENCE, vol. 217, no. 4556, pp. 243-245, July, 1982.

Simpson, R. A. and G. L. Tyler, "Radar Scattering Laws for the Lunar Surface," IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. AP-30, no. 3, pp. 438-449, May, 1982. Simpson, R. A., G. L. Tyler, J. K. Harmon and A. R. Peterfreund, "Radar Measurement of Small Scale Surface Texture: Syrtis Major," ICARUS, vol. 49, pp. 258-283, February, 1982.

Tyler, G. L., V. R. Eshleman, J. D. Anderson, G. S. Levy, G. F. Lindal, G. E. Wood and T. A. Croft, "Radio Science with Voyager 2 at Saturn: Atmosphere and Ionosphere and the Masses of Mimas, Tethys and Iapetus," SCIENCE, vol. 215, no. 4532, pp. 553-558, January, 1982.

Levy, G. S., D. W. Green, H. N. Royden, G. E. Wood and G. L. Tyler, "Dispersive Doppler Measurement of the Electron Content of the Torus of Io," JOURNAL OF GEOPHYSICAL RESEARCH, vol. 86A, no. 10, pp. 8467-8470, September, 1981.

Lindal, G. F., G. E. Wood, G. S. Levy, J. D. Anderson, D. N. Sweetnam, H. B. Hotz, B. J. Buckles, D. P. Holmes, P. E. Doms, V. R. Eshleman, G. L. Tyler and T. A. Croft, "The Atmosphere of Jupiter: An Analysis of the Voyager Radio Occultation Measurements," JOURNAL OF GEOPHYSICAL RESEARCH, vol. 86A, no. 10, pp. 8721-8727, September, 1981.

Martin, J. M., G. L. Tyler, V. R. Eshleman, G. E. Wood and G. F. Lindal, "A Search for the Radio Occultation Flash at Jupiter," JOURNAL OF GEOPHYSICAL RESEARCH, vol. 86A, no. 10, pp. 8729-8732, September, 1981.

Simpson, R. A. and G. L. Tyler, "Viking Bistatic Radar Experiment: Summary of First Order Results Emphasizing North Polar data," ICARUS, vol. 46, no. 3, pp. 361-389, June, 1981.

Tyler, G. L., J. F. Vesecky, M. A. Plume, H. T. Howard and A. Barnes, "Radio Wave Scattering Observations of the Solar Corona: First Order Measurements of Expansion Velocity and Turbulence Spectrum Using Viking and Mariner 10 Spacecraft," ASTROPHYSICAL JOURNAL, vol. 249, pp. 318-332, October, 1981.

Tyler, G. L., E. A. Marouf and G. E. Wood, "Radio Occultation of Jupiter's Rings: Bounds on Optical Depth and Particle Size," J. GEOPHYS. RES., vol. 86A, no. 10, pp. 8699-8703, September, 1981.

Tyler, G. L., V. R. Eshleman, J. D. Anderson, G. S. Levy, G. F. Lindal, G. E. Wood and T. A. Croft, "Radio Science Investigation of the Saturn System with Voyager 1: Preliminary Results," SCIENCE, vol. 212, no. 4491, pp. 201-206, April, 1981.

Simpson, R. A. and G. L. Tyler, "Radar Measurement of Heterogeneous Small-Scale Surface Texture on Mars: Chryse," J. GEOPHYS. RES., vol. 85B, no. 11, pp. 6610-6614, November, 1980.

Eshleman, V. R., G. L. Tyler, G. E. Wood, G. F. Lindal, J. D. Anderson, G. S. Levy and T. A. Croft, "Radio-Science with Voyager 1 at Jupiter: Preliminary Profiles of the Atmosphere and Ionosphere," SCIENCE, vol. 204, no. 4396, pp. 976-978, June, 1979. Eshleman, V. R., G. L. Tyler, G. E. Wood, G. F. Lindal, J. D. Anderson, G. S. Levy and T. A. Croft, "Radio Science with Voyager at Jupiter: Initial V-2 Results and a V-1 Measure of the Io Torus," SCIENCE, vol. 206, no. 4421, pp. 959-962, November, 1979.

Eshleman, V. R., G. L. Tyler and W. T. Freeman, "Deep Radio Occultations and 'Evolute Flashes': Their Characteristics and Utility for Planetary Studies," ICARUS, vol. 37, no. 3, pp. 612-626, March, 1979.

Lipa, B. J. and G. L. Tyler, "Statistical and Computational Uncertainties in Atmospheric Profiles from Radio Occultations: Mariner 10 at Venus," ICARUS, vol. 39, no. 2, pp. 192-208, August, 1979.

Simpson, R. A., G. L. Tyler, J. P. Brenkle and M. Sue, "Viking Bistatic Radar Observations of Hellas: Preliminary Results," SCIENCE, vol. 203, no. 4375, pp. 45-46, January, 1979.

Tyler, G. L., "Comparison of Quasi-Specular Radar Scatter from the Moon with Surface Parameters Obtained from Images," ICARUS, vol. 37, no. 1, pp. 29-45, January, 1979.

Simpson, R. A., G. L. Tyler and D. B. Campbell, "Arecibo Radar Observations of Mars Surface Characteristics in the Northern Hemisphere," ICARUS, vol. 36, no. 2, pp. 153-173, November, 1978.

Simpson, R. A., G. L. Tyler and D. B. Campbell, "Arecibo Radar Observations of Martian Surface Characteristics Near the Equator," ICARUS, vol. 33, no. 1, pp. 102-115, January, 1978.

Eshleman, V. R., G. L. Tyler, J. D. Anderson, G. Fjeldbo, G. S. Levy, G. E. Wood and T. A. Croft, "Radio Science Investigations with Voyager," SPACE SCIENCE REVIEWS, vol. 21, pp. 207-232, November, 1977.

Michael, W. H. Jr., R. H. Tolson, J. P. Brenkle, D. L. Cain, G. Fjeldbo, C. T. Stelzried, M. D. Grossi, I. I. Shapiro and G. L. Tyler, "The Viking Radio Science Investigations," J. GEOPHYS. RES., vol. 82, no. 28, p. 4293, September, 1977.

Simpson, R. A., G. L. Tyler and B. J. Lipa, "Mars Surface Properties Observed by Earth-Based Radar at 70, 12.5 and 3.8 cm Wavelengths," ICARUS, vol. 32, no. 2, pp. 147-167, October, 1977.

Teague, C. C., G. L. Tyler and R. H. Stewart, "Studies of the Sea Using HF Radio Scatter," IEEE TRANSACTIONS ON.ANTENNAS AND PROPAGATION, vol. AP-25, no. 1, pp. 12-19, January, 1977.

Tyler, G. L., J. P. Brenkle, T. A. Komarek and A. I. Zygielbaum, "The Viking Solar Corona Experiment," J. GEOPHYS. RES., vol. 82, no. 28, pp. 4335-4340, September, 1977.

Lipa, B. J. and G. L. Tyler, "Surface Slope Probabilities from the Spectra of Weak Radar Echoes: Application to Mars," ICARUS, vol. 28, no. 2, pp. 301-306, June, 1976. Tyler, G. L., "Wavelength Dependence in Radio-wave Scattering and Specular-point Theory," RADIO SCIENCE, vol. 11, no. 2, pp. 83-91, February, 1976.

Tyler, G. L., D. B. Campbell, G. S. Downs, R. R. Green and H. J. Moore, "Radar Characteristics of Viking 1 Landing Sites," SCIENCE, vol. 193, no. 4255, pp. 812-815, August, 1976.

Teague, C. C., G. L. Tyler and R. H. Stewart, "The Radar Cross Section of the Sea at 1.95 MHz: Comparison of In-situ and Radar Determinations," RADIO SCIENCE, vol. 10, no. 10, pp. 847- 852, October, 1975.

Howard, H. T., G. L. Tyler, P. B. Esposito, J. D. Anderson, R. D. Reasenberg, I. I. Shapiro, G. Fjeldbo, A. J. Kliore, G. S. Levy, D. I. Brunn, R. Dickinson, R. E. Edelson, W. L. Martin, R. B. Postal, B. Seidel, T. T. Sesplaukis, D. L. Shirley, C. T. Stelzried, D. N. Sweetnam, G. E. Wood and A. I. Zygielbaum, "Mercury: Results on Mass, Radius, Ionosphere and Atmosphere Obtained from the Mariner 10 Dual frequency Radio Signals," SCIENCE, vol. 185, no. 4146, pp. 179-183, July, 1974.

Howard, H. T., G. L. Tyler, G. Fjeldbo, A. J. Kliore, G. S. Levy, D. I. Brunn, R. Dickinson, B. E. Edelson, W. L. Martin, R. B. Postal, B. Seidel, T. T. Sesplaukis, D. L. Shirley, C. T. Stelzried, D. N. Sweetnam, A. I. Zygielbaum, P. B. Esposito, J. D. Anderson, I. I. Shapiro and R. D. Reasenberg, "Venus: Mass, Gravity Field, Atmosphere and Ionosphere as Measured by the Mariner 10 Dual frequency Radio System," SCIENCE, vol. 183, no. 4131, pp. 1297-1300, March, 1974.

Thompson, T. W., G. L. Tyler, H. Masursky, R. W. Shorthill and S. H. Zisk, "A Comparison of Infrared, Radar and Geologic Mapping of Lunar Craters," THE MOON, vol. 10, pp. 87-117, June, 1974.

Tyler, G. L., C. C. Teague, R. H. Stewart, A. M. Peterson, W. H. Munk and J. W. Joy, "Wave Directional Spectra from Synthetic Aperture Observations of Radio Scatter," DEEP-SEA RESEARCH, vol. 21, no. 12, pp. 989-1016, December, 1974.

Parker, M. N. and G. L. Tyler, "Bistatic Radar Estimation of Surface Slope Probability Distributions with Applications to the Moon," RADIO SCIENCE, vol. 8, no. 3, pp. 177-184, March, 1973.

Teague, C. C., G. L. Tyler, J. W. Joy and R. H. Stewart, "Synthetic Aperture Observations of Directional Height Spectra for 7-second Ocean Waves," NATURE, vol. 244, pp. 98-100, August, 1973.

Tyler, G. L. and H. T. Howard, "Dual-frequency Bistatic Radar Investigations of the Moon with Apollos 14 and 15," J. GEOPHYS. RES., vol. 78, no. 23, pp. 4852-4874, August, 1973.

Michael, W. H., D. L. Cain, G. Fjeldbo, G. S. Levy, J. G. Davies, M. D. Grossi, I. I. Shapiro and G. L. Tyler, "Radio Science Experiments: The Viking Mars Orbiter and Lander," ICARUS, vol. 16, pp. 57-73, February, 1972. Simpson, R. A. and G. L. Tyler, "Comments on 'Doppler Radar Return from Two-dimensional Random Rough Surfaces'," IEEE TRANS., vol. GE-10, no. 4, pp. 173-174, October, 1972.

Tyler, G. L., W. E. Faulkerson, A. M. Peterson and C. C. Teague, "Second Order Scattering from the Sea: Ten Meter Radar Observations of the Doppler Continuum," SCIENCE, vol. 177, pp. 349-351, July, 1972.

Tyler, G. L. and D. H. H. Ingalls, "Functional Dependence of Bistatic-radar Frequency Spectra on Lunar Scattering Laws," J. GEOPHYS. RES., vol. 76, no. 20, pp. 4775-4785, July, 1971.

Tyler, G. L., R. A. Simpson and H. J. Moore, "Lunar Slope Distributions: Comparison of Bistatic-Radar and Photographic Results," J. GEOPHYS. RES., vol. 76, no. 11, pp. 2790-2795, April, 1971.

Peterson, A.M., C.C. Teague and G.L. Tyler, "Bistatic-Radar Observations of Long-Period, Directional Ocean-wave Spectra with LORAN A," SCIENCE, vol. 170, pp. 158-161, October, 1970.

Tyler, G. L. and R. A. Simpson, "Bistatic Radar Measurements of Topographic Variations in Lunar Surface Slopes with Explorer 35," RADIO SCIENCE, vol. 5, no. 2, pp. 263-271, February, 1970.

Comella, M., H. D. Craft, R. V. E. Lovelace, J. M. Sutton and G. L. Tyler, "Crab Nebula Pulsar NP 0532," NATURE, vol. 221, pp. 453-454, February, 1969.

Tyler, G. L. and H. T. Howard, "Refractivity of Carbon Dioxide Under Simulated Martian Conditions," RADIO SCIENCE, vol. 4, no. 10, pp. 899-904, October, 1969.

Tyler, G. L., "Oblique-scattering Radar Reflectivity of the Lunar Surface: Preliminary Results from Explorer 35," J. GEOPHYS. RES., vol. 73, no. 24, pp. 7609-7620, December, 1968.

Tyler, G. L., "Brewster Angle of the Lunar Crust," NATURE, vol. 219, no. 5160, pp. 1243-1244, September, 1968.

Tyler, G. L., V. R. Eshleman, G. Fjeldbo, H. T. Howard and A. M. Peterson, "Bistatic Radar Detection of Lunar Scattering Centers with Lunar Orbiter 1," SCIENCE, vol. 157, no. 3785, pp. 193-195, July, 1967.

CONTRIBUTIONS TO BOOKS

Tyler, G. L., "Radio Science," in Encyclopedia of Planetary Science , ??? publisher, 1997.

Tyler, G. L., "Voyager's Scientific Results and Future Questions," in Flight of Voyager (in Japanese), Nippon Telephone and Telegraph Co. (NTT), eds., Tokyo Broadcast System Britanica , Tokyo, 1991. (ISBN - 484 - 90244 - 3) Cuzzi, J.N., J.J. Lissauer, L. Esposito, J.B. Holberg, E.A. Marouf, G.L. Tyler and A. Boischot, "Saturn's Rings; Properties and Processes," in Planetary Rings , A. Brahic, R. Greenberg, eds., University of Arizona Press, Tucson, 1984.

Esposito, L.W., J.N. Cuzzi, J.B. Holberg, E.A. Marouf, G.L. Tyler and C.C. Porco, "Saturn's rings: Structure, Dynamics and Particle Properties," in Saturn , T. Gehrels, ed., University of Arizona Press, Tucson, 1984.

Simpson, R. A., G. L. Tyler and H. T. Howard, "Crater Morphometry from Bistatic Radar," in Impact and Explosion Cratering , pp. 481-487, ed. D.J. Roddy, R. O. Pepin and R. B. Merrill, Pergamon Press, New York, NY, 1977.

Tyler, G. L., "Radar Polarimetry," in Stars, Nebulae and Planets Studied with Polarimetry, ed. T. Gehrels, Univ. of Arizona Press, Tucson, AZ, 1973.

CONFERENCE PROCEEDINGS

Baron, J. E., G. L. Tyler, and R. A. Simpson, "Appilciation of FD-TD Methods to Planetary and Geological Remote Sensing," 13th Annual Review of Progress in Applied Computational Electromagnetics March 17-21, 1997, Naval Postgraduate School, Monterey.

Baron, J. E., R. A. Simpson, and G. L. Tyler, "Radiowave scattering from surface rocks: Application to Mars Viking and Pathfinder Landing Sites," 28th Lunar and Planetary Science Conference, March 17-21, 1997, Houston; published in LUNAR AND PLANETARY SCIENCE XXVIII.

Holmann, E., G. L. Tyler, and I. R. Linscott, "Reliability Study of Combinational Circuits," presented at the European Design Automation Conference, September 19-23, 1994, Grenoble, and published in the proceedings.

Linscott, I.R., D. P. Hinson, and G. L. Tyler, "Earth Atmospheric Profiles Using GPS Occultation," presented at Institute of Navigation Conference on XXX, Albuqurque, New Mexico, September ?, 1992, and published by XXX.

Hardy, K. R., D. P. Hinson, G. L. Tyler, and E. R. Kursinski, "Atmospheric Profiles from Active Space-Based Radio Measurements," presented at 6th Conference on Satellite Meteorology and Oceanography, January 5-10, 1992, Atlanta, Georgia, and published by the American Meteorological Society, Boston, Massachusetts.

Linscott, I. R., G. L. Tyler, E. A. Marouf, and R. A. Simpson, "Bistatic Radar Studies of the Planets," presented at International Symposium on Radars and Lidars in Earth and Planetary Sciences, September 2-4, 1992, Cannes, France, to be published in the symposium record.

Holmann, E., I. R. Linscott, M. Maurer, G. L. Tyler and V. Libby, "Fault Tolerant, Radiation Hard, High Performance Digital Signal Processor," Ninth Digital Avionics Systems Conference, Virginia Beach, Virgina, October 15-18, 1990, and published in the proceedings, p. 468-473. Eshleman, V. R., G. L. Tyler, R. A. Simpson, I. R. Linscott, M. Lari and A. M. Peterson, "Radar Holographic Method for Study of Cometary Atmospheres, Surfaces and Subsurfaces," Presented at the Multi-Comet Mission Workshop, Goddard Space Flight Center, Greenbelt, MD, September, 1986. Published in PROCEEDINGS OF THE MULTI-COMET MISSION WORKSHOP, 1986.

Marouf, E. A. and G. L. Tyler, "Radio Occultation by Saturn's Rings: Observations of Structure and Particle Size with Voyager 1," Presented at the COSPAR Symposium, published in ADVANCES IN SPACE RESEARCH, vol. 5, pp. 117-120, pub. Pergamon Press, Oxford, 1985.

Tyler, G. L. and V. R. Eshleman, "Voyager Radio Occultation Investigations at Saturn," Presented at the Saturn System Workshop, Reston, VA, 9-11 February, 1978. Published in THE SATURN SYSTEM, NASA Conf. Publ. 2068, pp. 317-331, ed. D.M. Hunten and D. Morrison, 1978.

Stewart, R. H., C. C. Teague, J. W. Joy and G. L. Tyler, "HF Measurements of Ocean-wave Directional Spectra," Published in AGARD CONF., Propagation Effects on Frequency Sharing, no. 127, ed. I. Ranzi, May, 1973.

Tyler, G. L., "A Comparison of Infrared, Radar and Geologic Mapping of Lunar Craters," Published in PROC. 1969 SYMPOSIUM ON GEOPHYSICS OF THE MOON, ed. T. W. Thompson et al., pub. Lunar Science Institute, 1971.

TECHNICAL REPORTS

Leadabrand, R., J. Depp, G. L. Tyler, J. F. Vesecky, and R. Vickers, "Foreign Research Relevant to Countering Stealth Vehicles," Foreign Applied Sceinces Assessment Center, Science Applications International, Corp., McLean, Virginia (1993).

Simpson, R. A. and G. L. Tyler, "Mars Radar Catalog," REPORTS OF THE PLANETARY GEOLOGY AND GEOPHYSICS PROGRAM -- 1984, pp. 461-462, NASA Tech. Memorandum 87563, April, 1985.

Simpson, R. A., F. Webb and G. L. Tyler, "Statistics of Aeolian Surfaces on Mars," REPORTS OF THE PLANETARY GEOLOGY AND GEOPHYSICS PROGRAM -- 1984, pp. 463-462, NASA Tech. Memorandum 87563, April, 1985.

Simpson, R. A. and R. L. Tyler, "The Case for Aeolian Control of Meter-Scale Surface Texture on Mars," REPORTS OF THE PLANETARY GEOLOGY AND GEOPHYSICS PROGRAM -- 1984, pp. 273-275, NASA Tech. Memorandum 86246, April, 1984.

Simpson, R. A., G. L. Tyler and H. T. Howard, "Mars Surface Properties from Viking Bistatic Radar," NASA TECHNICAL MEM. 85127, pp. 317-318, December, 1982. Simpson, R. A., G. L. Tyler and H. T. Howard, "Characteristics of Mars North Polar Region from Bistatic Radar," Published in NASA TECH. MEM. 84211, pp. 432-434, ed. H. Holt, December, 1981.

Simpson, R. A., H. T. Howard and G. L. Tyler, "Impact Cratering: Relative Importance to Radar Scattering from Lunar Maria and Syrtis Major," NASA TECH. MEM. 82385, pp. 432-434, ed. H. Holt and E. Kosters, December, 1980.

Simpson, R. A., H. T. Howard and G. L. Tyler, "Electrical Properties of Solid CO2 - Application to Remote Probing of Mars," Published in RPTS. PLANETARY GEOLOGY PROGRAM,1978- 1979, NASA Tech. Mem. 80339, pp. 365-367, ed. J. Boyce and P. Collins, June, 1979.

Simpson, R. A., G. L. Tyler and H. T. Howard, "Mars Bistatic Radar," Published in NASA TECH. MEM. 79729, pp. 135-136, ed. R. Strom and J. Boyce, May, 1978.

Simpson, R. A., H. T. Howard and G. L. Tyler, "Radar Geology," REPORTS OF PLANETARY GEOLOGY PROGRAM: 1976-1977, NASA TECH. MEM. X-3511, pp. 272-274, ed. R. Arvidson and R. Wahmann, 1977.

Moore, H. J., G. L. Tyler, J. M. Boyce, R. W. Shorthill, T. W. Thompson, A. S. Walker, E. Wilhelms, S. S. C. Wu and S. H. Zisk, "Correlation of Photogeology and Remote Sensing Data Along the Apollo 15 and 16 Bistatic-radar Ground Track, Part II - A Working Compendium," INTERAGENCY REPORT: ASTROGEOLOGY 80, USGS Openfile Report, April, 1976.

Tyler, G. L., H. T. Howard, A. W. England and J. Cuzzi, "Radar Studies of Surface Properties," A GEOLOGICAL BASIS FOR THE EXPLORATION OF THE PLANETS, NASA SP-417, Edited by R. Greeley and M. H. Carr, 1976.

Eshleman, V. R. and G. L. Tyler, "Radio Occultation: Problems and Potential Solutions," Presented at the Jupiter Conf., Tucson, AZ, 19 May, 1975. Published in TECH. RPT. 3241-3, SU-SEL-78-032, 1975.

Moore, H. J., G. L. Tyler, J. M. Boyce, R. W. Shorthill, T. W. Thompson, A. S. Walker, E. Wilhelms, S. S. C. Wu and S. H. Zisk, "Correlation of Photogeology and Remote Sensing Data Along the Apollo 14 Bistatic Radar Ground Track, Part I - A Working Compendium," INTERAGENCY REPORT: ASTROGEOLOGY 75, USGS Openfile Report, pp. 75-284, pub. USGS, June, 1975.

Simpson, R. A., G. L. Tyler and B. J. Lipa, "Analysis of Radar Data from Mars," SCI. RPT. 3276-1, SU-SEL-74-047, pub. SEL, Stanford Univ., Stanford, CA 94305, pp. 1-278, October, 1974.

Howard, H. T. and G. L. Tyler, "Stanford Bistatic Radar Experiment (S-170) on Apollos 14,15 and 16," FINAL RPT., pub. SEL, Stanford Univ., Stanford, CA 94305, pp. 1-83, July, 1973. Howard, H. T. and G. L. Tyler, "Bistatic Radar Investigation," APOLLO 16 PREL. SCIEN. RPT., NASA SP-315, 1973.

Moore, H. J. and G. L. Tyler, "Comparison Between Photogrammetric and Bistatic Radar Slope Frequency Distributions," APOLLO 17 PREL. SCIEN. RPT., NASA SP-330, chapter 33-17, pub. USGPO, Washington, DC, 1973.

Thompson, T. W., K. A. Howard, R. W. Shorthill, G. L. Tyler, S. H. Zisk, E. A. Whitaker, G. G. Schaber and H. J. Moore, "Remote Sensing of Mare Serenitatis," APOLLO 17 PREL. SCIEN. RPT., NASA SP-330, chapter 33, p. 3, pub. USGPO, Washington, DC, 1973.

Tyler, G. L., H. T. Howard and G. R. Dow, "Stanford Apollo Bistatic-Radar Experiment (S-170): National Space Science Data Center Data Description," TECH. RPT. 3282-1, SU-SEL-73-006, pub. SEL, Stanford Univ., Stanford, CA 94305, pp. 1-83, February, 1973.

Croft, T.A., V.R. Eshleman, E.A. Marouf and G.L. Tyler, "Preliminary Review and Analysis of Effects of the Atmosphere of Venus on Radio Telemetry and Tracking of Entry Probes," FINAL RPT., SEL Project 3239, vol. NASA 2-7126, October, 1972.

Howard, H. T. and G. L. Tyler, "Bistatic Radar Investigation," APOLLO 15 PREL. SCIEN. RPT., NASA SP-289, chapter 23-1, 1972.

Howard, H. T. and G. L. Tyler, "Bistatic-radar Studies of the Lunar Surface," APOLLO 14 PREL. SCIEN. RPT., NASA SP-272, 1971.

Tyler, G. L., "Estimation of Polarization with Arbitrary Antennas," SCI. RPT. 3610-1, SU-SEL- 70-064, pub. SEL, Stanford Univ., Stanford, CA 94305, October, 1970.

Tyler, G. L. and R. A. Simpson, "Bistatic-Radar Studies of the Moon with Explorer 35 Final Report - Part II," SCI. RPT. 3610-2, SU-SEL-70-068, pub. SEL, Stanford Univ., Stanford, CA 94305, pp. 1-180, October, 1970.

Simpson, R. A. and G. L. Tyler, "Contour Mapping of Lunar Electrical Properties," Presented at the Stanford Univ. Electronics Research Review, Stanford, CA 94305, August, 1969. Published in TECH. RPT. 3606-5, SU-SEL-69-003, pub. SEL, Stanford Univ., Stanford, CA 94305, 1969.

Tyler, G. L., D. H. H. Ingalls and R. A. Simpson, "Stanford Telemetry Monitoring Experiment on Lunar Explorer 35," TECH. RPT., SU-SEL-69-066, pub. SEL, Stanford Univ., Stanford, CA 94305, pp. 1-80, October, 1969.

Tyler, G. L., "Digital Spectral Analysis of Bistatic-Radar Echoes from Explorer XXXV," TECH. RPT. 3609-5, SU-SEL-69-063, pub. SEL, Stanford Univ., Stanford, CA 94305, pp. 1- 17,October, 1969. Tyler, G. L. and H. T. Howard, "Refractivity of Carbon Dioxide under Simulated Martian Conditions," SCI. RPT. 33, SU-SEL-69-013, pub. SEL, Stanford Univ., Stanford, CA 94305, pp. 1-16, March, 1969.

Tyler, G. L., "A Dual Polarization Bistatic-Radar Receiving System for Explorers XXXIII and XXXV," TECH. RPT. 3609-3, SU-SEL-68-008, pub. SEL, Stanford Univ., Stanford, CA 94305, pp. 1-21, June, 1968.

PH.D. DISSERTATION

Tyler, G. L., "Bistatic-radar Imaging and Measurement Techniques for the Study of Planetary Surfaces," Ph.D. Dissertation, Stanford University, May, 1967.

CONFERENCE PRESENTATIONS

Ahmad, B., and G. L. Tyler, " ," presented at the Division of Planetary Science, American Astronomical Society meeting, October 23-26, 1996,Tucson; abstract published in the Bulletin of the American Astronical Society, vol. 28, no. 3, 1996.

Baron, J., and G. L. Tyler, " ," presented at the Division of Planetary Science, American Astronomical Society meeting, October 23-26, 1996,Tucson; abstract published in the Bulletin of the American Astronical Society, vol. 28, no. 3, 1996.

Ahmad, B., and G. L. Tyler, "Radio Occultation: Issues of Resolution in the Absence of Spherical Symmetry," presented at the 27th URSI General Assembly, Lille, France, September 3,1996.

Simpson, R. A., Baron, J. E., and G. L. Tyler, "Inference of Block Populations from Radar Backscatter: Application to Pathfinder Landing Site Characterization," 27th Lunar and Planetary Science Conference, March 18-22, 1996, Houston; Abstract published in LUNAR AND PLANETARY SCIENCE XXVII.

Simpson, R. A., and G. L. Tyler, "Bistatic Radar," presented at the Gordon H. Pettengill Session, American Geophysical Union meeting, December 13, 1995, San Francisco. (Invited)

Baron, J. E., R. A. Simpson, and G. L. Tyler, "Two- and Three- Dimensional Simulations of Radiowave Scattering from Discrete Surface Inhomogenieties," presented at Division of Planetary Sciences Meeting, October 9-13, 1995, Hohala Coast, Hawaii; Abstract published in the BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol., 27, no. 3, 1995.

Baron, J., G. L. Tyler, and R. A. Simpson, "Numerical Simulation of Scattering from Small- Scale Surface Structure," presented at the XXVI Lunar and Planetary Science Conference, Clear Lake, Texas, March 13 - 17, 1995; Abstract published in LUNAR AND PLANETARY SCIENCE XXVI. Simpson, R. A., M. J. Maurer, and G. L. Tyler, "Application of the Magellan GVDR to Venus Surface Studies," presented at the XXVI Lunar and Planetary Science Conference, Clear Lake, Texas, March 13 - 17, 1995; Abstract to be published in LUNAR AND PLANETARY SCIENCE XXVI.

Baron, J., G. L. Tyler, and R. A. Simpson, "A Finite-Difference Time-Domain Study of Radiowave Scattering from Buried Dielectric and Conducting Cylinders" presented at DPS Meeting, October 31 - November 4, 1993, Washington, D.C.; Abstract published in the BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol., 26, no. 3, p. 1149, 1994.

Simpson, R. A., and G. L. Tyler, "Remote Probing of Planetary Surfaces at Radio Wavelengths," presented at the International Conference on Comparative Planetology, Pasadena, California, June 6-8, 1994.

Wong, P. B., R. A. Simpson, G. L. Tyler, "Numerical Simulation of Scattering by Discrete Objects," presented at the XXV Lunar and Planetary Science Conference, Clear Lake, Texas, March 14-18, 1994; Abstract published in LUNAR AND PLANETARY SCIENCE XXV, p. 1503, 1995.

Ahmad, B., and G. L. Tyler, "Systematic Errors in Atmospheric Profiles Obtained from Abelian Inversion of Radio Occultation Data: Implications for Mars Observer," presented at DPS Meeting, October 18-22, 1993, Boulder, Colorado; Abstract published in the BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol., 25, no. 3, p. 1062, 1993.

Gurrola, E. M., V. R. Eshleman, G. L. Tyler, and E. A. Marouf, "Simulations of a Radio Occultation Experiment for Measuring Pluto's Atmosphere: Lessons from Triton," presented at DPS Meeting, October 18-22, 1993, Boulder, Colorado; Abstract published in the BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol., 25, no. 3, p. 1130, 1993.

Jenkins, J. M., P. G. Steffes, J. Twicken, D. H. Hinson, and G. L. Tyler, "Atmospheric Profiles and Sulfuric Acid Vapor (H 2SO 4) Profiles from the October 1991 Magellan Orbiter Radio Occultation Experiments at Venus," presented at DPS Meeting, October 18-22, 1993, Boulder, Colorado; Abstract published in the BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol., 25, no. 3, p. 1093, 1993.

Maurer, M. J., G. L. Tyler, and R. A. Simpson, "Comparison of Magellan Venus Differential Altimetry with Observed Doppler Anomalies," presented at DPS Meeting, October 18-22, 1993, Boulder, Colorado; Abstract published in the BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol., 25, no. 3, p. 1086, 1993.

Wong, P. B., G. L. Tyler, and R. A. Simpson, "Finite Difference-Time Domain Model for Surface Scattering with Application to Magellan at Venus, presented at DPS Meeting, October 18-22, 1993, Boulder, Colorado; Abstract published in the BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol., 25, no. 3, p. 1086, 1993. Eshleman, V. R., E. M. Gurrola, I. R. Linscott, and G. L. Tyler, "Pluto and Triton Occulation Experiments," presented at Pluto-Charon Meeting, July 6 - 9, 1993, Flagstaff, Arizona.

Tyler, G. L., I. R. Linscott, A. Cheng, and S. Asmar, "Pluto Fast Flyby Uplink Radio Occultation Instrument," presented at Pluto-Charon Meeting, July 6 - 9, 1993., Flagstaff, Arizona

Tyler, G. L., "Radio Science Investigations with Mars Observer," presented by title at the XXIVth General Assembly of the International Union of Radio Science, August 25 - September 2, 1993, Kyoto, Japan.

Simpson, R. A., G. L. Tyler, M. J. Maurer, E. Holmann, and P.B. Wong, "Scattering by Venus' Surface," presented at the XXIV Lunar and Planetary Science Conference, Clear Lake, Texas, March 15-19, 1993; Abstract published in LUNAR AND PLANETARY SCIENCE XXIV, p. 1311, 1993.

Marouf, E. A. and G. L. Tyler, "Particle Sizes of Uranus' Rings," presented at DPS Meeting, October 12-16, Munich; Abstract published BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol. 24, no. 3, p. 1030, 1992.

Maurer, M. J. , G. L. Tyler and R. A. Simpson, "Scattering and Emission Properties of the Venus Surface from Magellan Altimeter and SAR Observations," presented at DPS Meeting, October 12-16, Munich; Abstract published BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol. 24, no. 3, p. 946, 1992.

Simpson, R. A., G. L. Tyler, M. J. Maurer, and C-M Wang, "Scattering Functions for Planetary Surfaces," presented at DPS Meeting, October 12-16, Munich; Abstract published BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol. 24, no. 3, p. 945, 1992.

Steffes, P. G., J. M . Jenkins, G. L. Tyler, J. Twicken, R. S. Austin, and S. W. Asmar, "Preliminary Results for the October 1991 Magellan Radio Occultation Experiment," presented at DPS Meeting, October 12-16, Munich; Abstract published BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol. 24, no. 3, p. 1003, 1992.

Maurer, M. J., G. L. Tyler, and R. A. Simpson, "Venus Surface Properties from Analysis of Magellan Radar Scattering Data," presented at Fall AGU Meeting, December 2-6, 1991, San Francisco; Abstract published as Supplement to EOS, Transactions, American Geophysical Union, Washington, D. C .

Gurrola, E. M., E. A. Marouf, V. R. Eshleman, and G. L. Tyler, "Voyager Radio Occultation Observations of Triton's Neutral Atmosphere," presented at DPS Meeting, November 4 - 8, 1991, Palo Alto; Abstract published BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol. 23, no. 3, p. 1207, 1991.

Marouf, E. A., G. L. Tyler, V. R. Eshleman, and P. A. Rosen, "Voyager Radio Occultation of Triton: Surface Topography and Radius," presented at DPS, November 4 - 8, 1991, Palo Alto; Abstract published BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol. 23, no. 3, p. 1207, 1991.

Maurer, M. J., G. L. Tyler, and R. A. Simpson, "Inversion of Magellen Altimeter Data to Empirical Scattering Functions," presented at DPS, November 4 - 8, 1991, Palo Alto; Abstract published BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol. 23, no. 3, p. 1222, 1991.

Steffes, P. G., J. M. Jenkins, R. S. Austin, G. L. Tyler, and E. H. Seale, "Radio Occultation Studies of the Venus Atmosphere with the Magellan Spacecraft," presented at DPS Meeting, November 4 - 8, Palo Alto; Abstract published BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, vol. 23, no. 3, p. 1196, 1991.

Tyler, G. L., D. B. Campbell, C. Elachi, P. G. Ford, G. H. Pettengill, and R. A. Simpson, "Initial Analysis of Venus Surface Electrical & Physical Properties," Presented at the American Geophysical Union Meeting, San Francisco, CA, Dec 3-7, 1990. Abstract published in EOS, vol. 71, no. 43, p. 1219, 1990.

Lindal, Gunnar F., J. R. Lyons, D. N. Sweetnam, V. R. Eshleman, D. P. Hinson, and G. L. Tyler, "The Atmosphere of Neptune: Results of Radio Occultation Measurements with Voyager 2," presented at the 22th Annual DPS Meeting, Charlottesville,1990.

Eshleman, V.R., E.M. Gurrola, D.P. Hinson, E.A. Marouf, R.A. Simpson, G.L. Tyler, and G.F. Lindal, "Atmospheres of Vapour in Equilibrium with Surface Ices: Models for Mars, Triton and Pluto," presented at the XXVIII COSPAR Meeting, The Hague, The Netherlands, 25 June - 6 July, 1990.

Lindal, G.F., D.P. Hinson, V.R. Eshleman, D.N. Sweetnam, and G.L. Tyler, "Voyager Occultation Measurements of Neptune's Atmosphere and Ionosphere," presented at the XXVIII COSPAR Meeting, The Hague, The Netherlands, 25 June - 6 July, 1990.

Gresh, D.L., E.A. Marouf, and G.L. Tyler, "Coherent Scattering by Packed Media with Implications for Radio Occultation Measurements of the Uranian Rings," presented at the 21st Annual DPS Meeting, Providence, Rhode Island, 31 October - 3 November, 1989.

Marouf, E.A., and G.L. Tyler, "Cassini Uplink Radio Occultation by Saturn's Rings: a Potential Quantum Leap?", presented at the 21st Annual DPS Meeting, Providence, Rhode Island, 31 October - 3 November, 1989.

Eshleman, Von R., Gunnar F. Lindal, David P. Hinson, and G.L. Tyler, "The Methane Cloud of Uranus." Abstract submitted to the COSPAR Symposium, Finland, 1988.

Gresh, D.L., G.L. Tyler, E.A. Marouf, and P.A. Rosen, "Voyager Radio Occultation Studies of Planetary Rings." Abstract submitted to the COSPAR Symposium, Finland, 1988. Gresh, D.L., E.A. Marouf, and G.L. Tyler, "Particle Sizes in the Rings of Uranus from Voyager Radio Occultation Measurements," presented at the 20th Annual DPS Meeting, Austin, Texas, 31 October - 3 November, Abstract published in Bulletin of the American Astronomical Society, vol. 20, no. 3, p.844, 1988.

Marouf, E.A., D.L. Gresh, and G.L. Tyler, "Wave in Ring d," presented at the 20th Annual DPS Meeting, Austin, Texas, 31 October - 3 November, Abstract published in Bulletin of the American Astronomical Society, vol. 20, no. 3, p.845, 1988.

Rosen, P.A., G.L. Tyler, and E.A. Marouf, "Thirty Wave Features in Radio Occultation Data of Saturn's Rings: Summary of Results," presented at the 20th Annual DPS Meeting, Austin, Texas, 31 October - 3 November, Abstract published in Bulletin of the American Astronomical Society, vol. 20, no. 3, p.853, 1988.

Simpson, R.A., and G.L. Tyler, "Numerical Modeling of Radio Wave Scattering," presented at the 20th Annual DPS Meeting, Austin, Texas, 31 October - 3 November, Abstract published in Bulletin of the American Astronomical Society, vol. 20, no. 3, p.838, 1988.

Gresh, D.L., E.A. Marouf and G.L. Tyler, "Diffraction-Correction of Voyager Radio Occultation Data for the Eccentric Uranian Rings," presented at the 19th Annual DPS Meeting, Pasadena, November 10-13, 1987.

Marouf, E.A., D.L. Gresh and G.L. Tyler, "Eccentricity Gradients of Uranus' e, b and a Rings," presented at the 19th Annual DPS Meeting, Pasadena, November 10-13, 1987.

Martin, J. M. and G. L. Tyler, "Solar Wind Velocity and Turbulence Measurements Derived from Spacecraft Radio Scintillations," presented at the IUGG General Assembly, Vancouver, BC, August, 1987.

Tyler, G.L., D.L. Gresh, E.A. Marouf, P.A. Rosen and R.A. Simpson, "50m Resolution Profiles of the Uranian Rings at 3.6 cm Wavelength", presented at the 19th Annual DPS Meeting, Pasadena, November 10-13, 1987.

Gresh, D. L. and G. L. Tyler, "Inferred Particle Sizes in the Inner Rings of Uranus from Microwave Opacity Data," presented at the 18th Annual DPS Meeting, Paris, France, November 4-7, 1986. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 18, no. 3, p. 741, 1986.

Lindal, G.F., J. R. Lyons, D. N. Sweetnam, V. R. Eshleman, D. P. Hinson and G. L. Tyler, "The Atmosphere of Uranus: Results of the Voyager 2 Radio Occultation Measurements," presented at the 18th Annual DPS Meeting, Paris, France, November 4-7, 1986. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 18, no. 3, p. 738, 1986.

Rosen, P. A., G. L. Tyler, E. A. Marouf and D. L. Gresh, "Anomalous Forward Scattering from Uranus' d Ring at 3.6 cm l," presented at the 18th Annual DPS Meeting, Paris, France, November 4-7, 1986. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 18, no. 3, p. 741, 1986.

Tyler, G.L., "Radio Science Investigations at Uranus with Voyager 2," Invited paper presented at the COSPAR Conference, Toulouse, 1986.

Simpson, R. A., G. L. Tyler and V. R. Eshleman, "Uplink Radio Science," presented at the 16th Annual DPS Meeting, Baltimore, MD, October 8-12, 1984. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 16, no. 3, p. 703, 1984.

Tyler, G.L., "Voyager Radio Propagation Experiments in the Saturn System," Invited paper presented at the 21st URSI General Assembly, Florence, 1984.

Zebker, H. A. and G. L. Tyler, "Constraints on Composition of Saturn Ring Particles from Knowledge of Particle Size Distribution Functions," Presented at the 16th Annual DPS Meeting, 1984. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 16, no. 3, pp. 675-6, 1984.

Eshleman, V. R., G. F. Lindal and G. L. Tyler, "Uniformity of Titan's Atmosphere and Accuracy of Radio Occultation Profiles," Presented at the 15th Annual DPS Meeting, Ithaca, NY, October 16-20, 1983. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 15, no. 3, p. 841, 1983.

Marouf, E. A., G. L. Tyler and P. A. Rosen, "Microwave Edge Diffraction by Saturn's Rings: The Inverse Problem," Presented at the International Geoscience and Remote Sensing Symposium (IGARSS), San Francisco, CA, 1983.

Marouf, E. A. and G. L. Tyler, "Radio Occultation of Saturn's Rings: Is Less than 75 meters Radial Resolution Achievable," Presented at the 15th Annual DPS Meeting, Ithaca, NY, October 16-20, 1983. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 15, no. 3, p. 817, 1983.

Martin, J. and G. L. Tyler, "Radio Scintillation Measurements of the Solar Wind using Voyager Spacecraft," Presented at the American Geophysical Union Meeting, San Francisco, CA, Dec 5- 9, 1983. Abstract published in EOS, vol. 64, no. 8, p. 823, 1983.

Rosen, P. A., G. L. Tyler and E. A. Marouf, "Saturn's Rings: Examples of Microwave Opacity Obtained at 75 to 1000 meter Resolution," Presented at the 15th Annual DPS Meeting, Ithaca, NY, October 16-20, 1983. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 15, no. 3, p. 815, 1983.

Simpson, R. A., G. L. Tyler, E. A. Marouf, H. A. Zebker and V. R. Eshleman, "Characterization of Particles in Saturn's Rings: Voyager 1 Radio Occultation Results," Presented at the International Geoscience and Remote Sensing Symposium (IGARSS), San Francisco, CA, 1983. DIGEST OF THE 1983 IGARSS, PS-2, no. 5, pp. 1-8, IEEE Catalogue no. 83CH1837-4, 1983. Simpson, R. A., H. A. Zebker, G. L. Tyler and E. A. Marouf, "Visual Appearance of Saturn's Rings," Presented at the 15th Annual DPS Meeting, Ithaca, NY, October 1983. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 15, no. 3, p. 812, 1983.

Simpson, R. A. and G. L. Tyler, "The Case for Aeolian Control of Meter-Scale Surface Texture on Mars," Presented at the International Geoscience and Remote Sensing Symposium (IGARSS), San Francisco, CA, 1983. DIGEST OF THE 1983 IGARSS, PS-2, no. 1, pp. 1-3, IEEE Catalogue no. 83CH1837-4, 1983.

Tyler, G. L., "Voyager Radio Science Experiments in the Saturn System," Presented at the National Radio Science Meeting, Boulder, CO, January 5-7, 1983.

Zebker, H. A., G. L. Tyler and E. A. Marouf, "Inference of Saturn Ring Thickness from Voyager 1 Radio Occultation Measurements," Presented at the 15th Annual DPS Meeting, Ithaca, NY, October 16-20, 1983. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 15, no. 3, pp. 811-812, 1983.

Eshleman, V.R., G.L. Tyler and E.A. Marouf, "The W-shaped Occultation Signatures of Planetary Rings Systems: Inference of Size-sorted Particles in Charged, Tilted Ringlets," presented at the 20th URSI General Assembly, Toulouse, 1982.

Eshleman, V. R., G. L. Tyler and E. A. Marouf, "Edge Bunching and Collisionless Particle Motion in Charged, Tilted Ringlets of Saturn and Uranus," Presented at the Saturn Conference, University of Arizona, Tucson, AZ, May 10-14, l982.

Eshleman, V. R., J. V. Breakwell, G. L. Tyler and E. A. Marouf, "On the Stability of Certain Planetary Ringlets," Presented at the 14th Annual DPS Meeting, Boulder, CO, October 1982. Abstract published in BULL. AMERICAL ASTRONOMICAL SOCIETY, vol. 14, no. 3, p. 750, 1982.

Hinson, D. P. and G. L. Tyler, "Spatial Irregularities in Titan's Atmosphere Observed by Voyager 1 Radio Occultation," Presented at the Saturn Conference, University of Arizona, Tucson, AZ, May 10-14, 1982.

Hinson, D. P. and G. L. Tyler, "Spatial Irregularities in Saturn's Ionosphere Observed during Voyager 2 Radio Occultation," Presented at the 14th Annual DPS Meeting, Boulder, CO, October 19-22, 1984. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 14, no. 3, p. 733, 1982.

Lindal, G. F., V. R. Eshleman and G. L. Tyler, "The Atmosphere of Titan: An Analysis of the Voyager 1 Radio Occultation Measurements," Presented at the Saturn Conference, University of Arizona, Tucson, AZ, May 10-14, 1982.

Marouf, E. A., G. L. Tyler, H. Zebker, R. A. Simpson and V. R. Eshleman, "Particle-Size Distribution in Features of Saturn's Rings from Voyager 1 Radio Occultation," Presented at the Saturn Conference, University of Arizona, Tucson, AZ, May 11-15, l982. Simpson, R. A., G. L. Tyler and H. T. Howard, "Mars Surface Properties from Viking Bistatic Radar," Presented at the NASA Planetary Geology Principal Investigator's Meeting, Reston, VA, January, 1983.

Simpson, R. A., G. L. Tyler and G. G. Schaber, "Surface Roughness Estimates from Viking Bistatic Radar Data in Mars' Equatorial Region," Presented at the 14th Annual DPS Meeting, Boulder, CO, 1982. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 14, no. 3, p. 756, 1982.

Simpson, R. A., G. L. Tyler and J. B. Holberg, "Saturn's Pole Vector from Combined Ring Occultation Data," Presented at the 14th Annual DPS Meeting, Boulder, CO, October 19-22, 1982. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 14, no. 3, p. 731, 1982.

Tyler, G. L., "Jupiter and Saturn as Seen with S- and X-Band," Presented at the URSI National Radio Science Meeting, Boulder, CO, Jan 13-15, 1982.

Tyler, G. L., E. A. Marouf, R. A. Simpson and V. R. Eshleman, "The Microwave Opacity of Saturn's Rings at 3.6 and 13 cm Wavelength from Voyager 1 Radio Occultation," Presented at the Saturn Conference, University of Arizona, Tucson, AZ, May 10-14, l982.

Zebker, H. A., E. A. Marouf and G. L. Tyler, "Forward Phase-Functions of Saturn Ring Features at 3.6 cm-lambda," Presented at the Saturn Conference, University of Arizona, Tucson, AZ, May 10-14, 1982.

Zebker, H. A., G. L. Tyler and E. A. Marouf, "Solution of Forward Phase-Functions of Saturn Ring Features in the Presence of Multiple Scatter," Presented at the 14th Annual DPS Meeting, Boulder, CO, October 1982. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 14, no. , p. 748, 1982.

Eshleman, V. R. and G. L. Tyler, "Radio Occultation Technique Development," Presented at the 4th Annual Meeting of Planetary Atmospheres Principal Investigators, University of Michigan, Ann Arbor, MI, April 19-23, 1982.

Eshleman, V. R., G. L. Tyler and R. A. Simpson, "Continuing Developments in Planetary Radio Science," Presented at the Planetary Atmosphere Principal Investigators Meeting, Goddard Space Flight Center, MD, Feb 9-14,1981.

Hinson, D. P. and G. L. Tyler, "Titan's Turbulent Atmosphere Observed by Voyager Radio Occultation," Presented at the DPS Meeting, Pittsburgh, PA, Oct 13-16, 1981. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 13, no. 3, p. 703, 1981.

Hinson, D. P. and G. L. Tyler, "Voyager Observations of Irregularities in Jupiter's Ionosphere," Presented at the American Geophysical Union Meeting, Baltimore, MD, May 25-29, 1981. Abstract published in EOS, TRANS. AMERICAN GEOPHYSICAL UNION, VOY, vol. 62, no. 17, p. 314, 1981. Lindal, G. F., H. B. Hotz, D. N. Sweetnam, V. R. Eshleman and G. L. Tyler, "The Atmosphere of Titan: An Analysis of the Voyager 1 Radio Occultation Measurements," Presented at the DPS Meeting, Pittsburgh, PA, Oct 13-16,1981. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 13, chapter 3, no. 3, p. 700, 1981.

Marouf, E. A. and G. L. Tyler, "Diffraction by Features in Saturn's Rings: Implications on Edge Sharpness and Edge Thickness," Presented at the DPS Meeting, Pittsburgh, PA, Oct 13-16, 1981. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 13, no. 3, p. 726, 1981.

Simpson, R. A. and G. L. Tyler, "Planetary Studies Using Bistatic Radar," Presented at the 1981 International Geoscience and Remote Sensing Symposium (IGARSS), Washington, D.C., Jun 8- 10, 1981. Published in IEEE DIGEST, 1981 IGARSS, (IEEE Catalog no. 81CH1656-8), pp. 510- 518, 1981.

Simpson, R. A., G. L. Tyler and H. T. Howard, "Characteristics of Mars North Polar Region from Bistatic Radar," Presented at the NASA Planetary Geology Principal Investigators Meeting, Pasadena, CA, 12-14 January, 1982.

Tyler, G. L. and E. A. Marouf, "Radio Occultation of Saturn's Rings with Voyager 1: Preliminary Results," Presented at the DPS Meeting, Pittsburgh, PA, Oct 13-16, 1981. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol.13, no. 3, p. 726, 1981.

Tyler, G. L., "Particle Size Distribution and Edge Characteristics of Saturn's Rings from Voyager Radio Occultation," Presented at the American Geophysical Union Fall Meeting, San Francisco, CA, Dec 7-11, 1981. Abstract published in EOS, TRANS. AMERICAN GEOPHYSICAL UNION, vol. 62, no. 45, p. 838, November, 1981.

Vesecky, J. F., G. L. Tyler, M. A. Plume, H. T. Howard and A. Barnes, "Radio Wave Scattering Observations of the Solar Corona: First Order Measurements of Expansion Velocity and Turbulence Spectrum Using Viking and Mariner 10 Spacecraft," Presented at the American Astronomical Society - Solar Physics Division Meeting, Taos, NM, January, 1981. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 13, no. 1, p. 492, 1981.

Hinson, D. P. and G. L. Tyler, "Voyager 2 Observations of Jupiter's South Polar Plasma Environment," Presented at the Amer. Astron. Soc. - Div. Planetary Sciences Meeting, Tucson, AZ, 14-17 October, 1980. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 12, no. 3, p. 1020, 1980.

Lindal, G. F., J. D. Anderson, T. A. Croft, V. R. Eshleman, G. S. Levy, G. L. Tyler and G. E. Wood, "Radio Science: The Atmospheres of Saturn and Titan," Presented at the Amer. Geophys. Union Fall Meeting, San Francisco, CA, 8-12 December, 1980. Abstract published in EOS - TRANS. AMER. GEOPHYS. UNION, vol. 61, no. 46, p. 935, November, 1980.

Marouf, E. A. and G. L. Tyler, "Bounds on Particle Size and Optical Depth of Jupiter's Ring from a Comparative Analysis of Radio, Infrared and Optical Results," Presented at the Amer. Astron. Soc. - Div. Planetary Sciences Meeting, Tucson, AZ, 4-17 October, 1980. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 12, no. 3, p. 697, 1980.

Marouf, E. A., G. L. Tyler and V. R. Eshleman, "Voyager I Radio Occultation Experiment of Saturn's Rings," Presented at the URSI/EEE Int. Symposium, Universite Laval, Quebec, Canada, 2-6 June, 1980. Published in Program and Abstracts, URSI, p. 340, June, 1980.

Simpson, R. A. and G. L. Tyler, "Bistatic Radar Studies of Planetary Surfaces," Presented at the URSI - EEE Symposium, Universite Laval, Quebec, Canada, 2-6 June, 1980. Published in Program and Abstracts, URSI, p.338, June, 1980.

Simpson, R. A. and G. L. Tyler, "North Polar Surface Character from Mars Bistatic Radar," Presented at the Amer. Geophys. Union Fall Meeting, San Francisco, CA, 8-12 December, 1980. Abstract published in EOS - TRANS. AMER. GEOPHYS. UNION, vol. 61, no. 46, p. 1020, November, 1980.

Simpson, R. A. and G. L. Tyler, "Mars North Pole Surface Properties: Bistatic Radar Results," Presented at the Amer. Astron. Soc. - Div. Planetary Sciences Meeting, Tucson, AZ, 14-17 October, 1980. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 12, no. 3, p. 680, 1980.

Simpson, R. A. and G. L. Tyler, "Bistatic Radar Studies of Mars," Presented at the Amer. Geophys. Union Spring Meeting, Toronto, Canada, 22-27 May,1980. Abstract published in EOS - TRANS. AMER. GEOPHYS. UNION, vol. 61, no. 17, p. 287, April, 1980.

Tyler, G. L., J. D. Anderson, T. A. Croft, V. R. Eshleman, G. S. Levy, G. F. Lindal and G. E. Wood, "Radio Science: The Rings," Presented at the Amer. Geophys. Union Fall Meeting, San Francisco, CA, 8-12 December, 1980. Abstract published in EOS - TRANS. AMER. GEOPHYS. UNION, vol. 61, no. 46, p. 935, 1980.

Simpson, R. A., H. T. Howard and G. L. Tyler, "Electrical Properties of Solid CO2 - Application to Remote Probing of Mars," Presented at the NASA Planetary Geology Principal Investigators Meeting, Brown Univ., Providence, RI, 6-8 June, 1979.

Tyler, G. L., "The Atmosphere of Jupiter - Preliminary Results from the Voyager Occultation Experiment," Presented at the 11th Annual Meeting of the Amer. Astron. Soc.: Div. of Planetary Sciences, St. Louis MO, 23-26 October, 1979.

Ha, E. C., G. L. Tyler and C. C. Teague, "Measurement of Ocean Surface Current and Current Shear by HF Backscatter Radar," Presented at the National Radio Science Meeting, Boulder, CO, 6-9 November, 1978.

Lipa, B. J. and G. L. Tyler, "Statistical Errors in Radio Occultation for Mariner 10," Presented at the Amer. Astron. Soc. - Div. Planetary Sciences Meeting, 31 October, 1978. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 10, no. 3, p. 545, 1978. Simpson, R. A., G. L. Tyler and D. B. Campbell, "Arecibo Radar Observations of the Viking Chryse Landing Site," Presented at the Amer. Astron. Soc. - Div. Planetary Sciences Meeting, Pasadena, CA, 1 November, 1978. Abstract published in BULL. AMERICAN ASTRONOMICAL SOCIETY, vol. 10, no. 3, pp. 570-571, 1978.

Simpson, R. A., G. L. Tyler and H. T. Howard, "Mars Bistatic Radar," Presented at the NASA Planetary Geology Principal Investigators' Meeting, Univ. of Arizona, Tucson, AZ, 31 May - 2 June, 1978.

Simpson, R. A., G. L. Tyler and D. B. Campbell, "Arecibo Viking Radar Studies of Mars," Presented at the Amer. Astron. Soc. - Div. Planetary Science Meeting, Honolulu, HI, January, 1977.

Tyler, G. L. and W. H. Jr. Michael, "Properties of Mars and its Environment as Determined from Viking Radio Tracking Data," Presented at the Amer. Astron. Soc. - Div. Planetary Science Meeting, Honolulu, HI, January, 1977.

Simpson, R. A., G. L. Tyler and H. T. Howard, "Radar Studies of Mars," Presented at the NASA Planetology Programs Principal Investigators Meeting, Center for Astrogeology, USGS, Flagstaff, AZ, 1976.

Lipa, B. J. and G. L. Tyler, "Improved Surface Slope Probabilities from Radar Data," Presented at the URSI Meeting, Boulder, CO, 20-23 October, 1975.

Marouf, E. A., G. L. Tyler and V. R. Eshleman, "Bistatic-Radar Study of the Rings of Saturn," Presented at the Amer. Astron. Soc. - Div. of Planetary Sciences, Columbia, MD, 17-22 February, 1975.

Howard, H. T., G. L. Tyler and T. A. Croft, "Corona Electron Concentration and Radio Scintillations Measured with the Mariner 10 Radio System," Presented at the 18th COSPAR Meeting, Varna, Bulgaria, 4 June, 1975.

Simpson, R. A., G. L. Tyler, D. B. Campbell and G. H. Pettengill, "Preliminary Results from Arecibo Radar Observations of Candidate Viking C-Site Landing Areas on Mars," Presented at the URSI/IEEE Meeting, Boulder, CO, 20-23 October, 1975.

Tyler, G. L., "Wavelength Dependence in Radio-wave Scattering and Specular Point Theory," Presented at the URSI Meeting, Boulder, CO, 20-23 October, 1975.

Johnstone, D. L. and G. L. Tyler, "Interpretation and Evaluation of a Second-Order Expression for High frequency Radar Cross Sections of Ocean Surfaces," Presented at the URSI Meeting, Boulder CO, 14-17 October, 1974.

Marouf, E. A. and G. L. Tyler, "The Rings of Saturn: A Future Bistatic Radar Target," Presented at the URSI Meeting, Boulder CO, 14-17 October, 1974. Teague, C. C., W. E. Faulkerson, A. M. Peterson, G. L. Tyler, R. H. Stewart and J. W. Joy, "Directional Spectra Measurements of 7-Second Ocean Waves Using a Synthetic-Aperture Antenna," Presented at the Amer. Geophys. Union Spring Meeting, Washington, DC, April, 1973.

Teague, C. C., G. L. Tyler, J. W. Joy and R. H. Stewart, "Synthetic Aperture Observations of Directional Height Spectra for 7-second Ocean Waves," Presented at the URSI Meeting, Boulder, CO, August, 1973.

Tyler, G. L. and H. T. Howard, "Bistatic Radar Inference of Lunar Surface Properties," Presented at the Lunar Science Symposium on Geophysics of the Moon and Planets, Clearlake, TX, January, 1973.

Tyler, G. L. and M. N. Parker, "A Bistatic-radar/Photogrammetric Test of Physical Optics Models for Scattering from the Lunar Surface," Presented at the URSI Meeting, Boulder, CO, August, 1973.

Tyler, G. L. and H. T. Howard, "Bistatic-radar Observations of the Lunar Surface with Apollos 14 and 15," Presented at the 3rd Lunar Science Conf., Houston, TX, January, 1972.

Tyler, G. L., "Preliminary Results from Apollo 15: Bistatic Radar Observations of the Moon," Presented at the Symposium on Geophysics of the Moon, Lunar Science Institute, Houston, TX, October, 1971.

Tyler, G. L. and H. T. Howard, "Dual-frequency Bistatic-Radar Observations of the Moon with Apollo 14," Presented at the URSI, Commission V Meeting, UCLA, Los Angeles, CA, September, 1971.

Peterson, A.M., C.C. Teague and G.L. Tyler, "Bistatic-Radar Observations of Long-Period, Directional Ocean-wave Spectra with LORAN A," Presented at the Amer. Geophys. Union Fall Meeting, San Francisco, CA, December, 1970. SCIENCE, vol. 170, pp. 158-161, October, 1970.

Simpson, R. A., G. L. Tyler and H. J. Moore, "Lunar Slopes: A Comparison of Photographic and Bistatic Results," Presented at the Amer. Geophys. Union Fall Meeting, San Francisco, CA, December, 1970. Abstract published in EOS - TRANS. AMER. GEOPHYS. UNION, vol. 51, no. 11, p. 773, November, 1970.

Tyler, G. L., "Bistatic Radar Observations of the Moon," Presented at the IAU Meeting by J. F. Vesecky, Brighton, England, August, 1970.

Tyler, G. L., "Probing Planetary Surfaces and Subsurfaces with Bistatic-radar," Presented at the Conf. Scientific Applications for Radio and Radar Tracking in the Space Program, Jet Propulsion Laboratory, Pasadena, CA, April, 1969. Tyler, G. L. and R. A. Simpson, "Bistatic Lunar Measurements of Topographic Variations in Lunar Surface Slopes with Explorer XXXV," Presented at the IAU Symposium on Planetary Atmospheres and Surfaces, Woods Hole, MA, August, 1969.

Tyler, G. L. and H. T. Howard, "Refractivity of Carbon Dioxide Under Simulated Martian Conditions," Presented at the URSI Symposium, Washington, D.C., April, 1969.

OTHER

Tyler, G.L. and R.A. Simpson, "Taking the Measure of Saturn's Rings," THE PLANETARY REPORT, vol. 5, no. 5, pp. 4-7, pub. The Planetary Society, Pasadena, CA 91101, 1985.

Eshleman, V. R. and G. L. Tyler, "Radio Science at Saturn," THE PLANETARY REPORT, vol. 1, no. 6, pp. 6-7, pub. The Planetary Society, Pasadena, CA 91101, 1981.