Thomas P. Armstrong - AGU Meeting Abstracts

More Armstrong AGU Abstracts:
1967-1979
1980-1985
1986-1992
1993-1999 (below)
2000-present

AGU Abstracts - 1993-1999

  1. D. J. Williams, R. E. Gold, S. M. Krimigis, A. T. Y. Lui, R. W. McEntire, C.-I. Meng, E. C. Roelof, S. P. Christon, F. M. Ipavich, G. Gloeckler, T. P. Armstrong, F. Gliem, L. J. Lanzerotti, E. T. Sarris, D. H. Fairfield, and S. Kokubun, An Initial Investigation from GEOTAIL/EPIC of Energetic Particle Phenomena in the Distant Magnetotail, Spring AGU Meeting, May 1993, 1993 Spring Meeting Supplement to EOS, 269, 1993.
  2. D. Haggerty, J. Buckley, and T. P. Armstrong, Observations of Spatial Structure and Angular Distributions in Interplanetary Ion Bursts of Presumed Jovian Origin Measured with the Ulysses HISCALE Experiment, Spring AGU Meeting, May 1993, 1993 Spring Meeting Supplement to EOS, 239, 1993.
  3. N. Alinejad, T. P. Armstrong, and C. Brull, Phase Space Densities of Geomagnetically Trapped Ions Observed With the Galileo Energetic Particle Detector (EPD) During the Earth Flybys, Spring AGU Meeting, May 1993, 1993 Spring Meeting Supplement to EOS, 200, 1993.
  4. M. Boufaida and T. P. Armstrong, Variations in the Intensities and Energy Spectra of 0.3 to 5 MeV Protons in the 1 to 5 AU Region Observed With Voyager 1 and 2, Ulysses, and IMP 8, Spring AGU Meeting, May 1993, 1993 Spring Meeting Supplement to EOS, 240, 1993.
  5. E. C. Roelof, G. M. Simnett, T. P. Armstrong, and L. J. Lanzerotti, Low-Energy Ion and Electron Events at Ulysses Beyond 5 AU and at IMP8 Near Earth, Spring AGU Meeting, May 1993, 1993 Spring Meeting Supplement to EOS, 239, 1993.
  6. D. J. Williams, R. W. McEntire, S. M. Krimigis, E. C. Roelof, B. Wilken, T. P. Armstrong, T. A. Fritz, L. J. Lanzerotti, and J. G. Roederer, The Galileo Energetic Particle Detector: Results at Venus, Spring AGU Meeting (INVITED), May 1993, 1993 Spring Meeting Supplement to EOS, 199, 1993.
  7. R. W. McEntire, D. J. Williams, R. E. Gold, S. M. Krimigis, A. T. Y. Lui, C.-I. Meng, E. C. Roelof, S. P. Christon, G. Gloeckler, F. Ipavich, T. P. Armstrong, L. J. Lanzerotti, E. T. Sarris, F. Gliem, D. H. Fairfield, and S. Kokubun, Geotail/EPIC Observations of Energetic Ions in the Earth's Magnetotail, Spring AGU Meeting, May 1993, 1993 Spring Meeting Supplement to EOS, 269, 1993.
  8. B. Wilken, R. W. McEntire, D. J. Williams, S. M. Krimigis, E. C. Roelof, T. P. Armstrong, T. A. Fritz, L. J. Lanzerotti, and J. G. Roederer, Galileo/EPD Observations of Energetic Particles in the Earth's Magnetosphere, Spring AGU Meeting, May 1993, 1993 Spring Meeting Supplement to EOS, 269, 1993.
  9. S. P. Christon, G. Gloeckler, F. M. Ipavich, A. Galvin, D. J. Williams, R. W. McEntire, R. E. Gold, S. M. Krimigis, A. T. Y. Lui, C.-I. Meng, E. C. Roelof, T. P. Armstrong, L. J. Lanzerotti, E. T. Sarris, D. H. Fairfield, and S. Kokubun, The Composition of Energetic Ion Flux Enhancements Observed in the Far-Downstream Magnetotail, Spring AGU Meeting, May 1993, 1993 Spring Meeting Supplement to EOS, 269, 1993.
  10. J. W. Manweiler, T. P. Armstrong, and T. E. Cravens, Two Dimensional Particle in Cell Modeling of Dusty Plasma in the Presence of Plasma Flow, Fall AGU Meeting, December 1993, 1993 Fall Meeting Supplement to EOS, 524, 1993.
  11. F. Vitt, T. P. Armstrong, T. E. Cravens, and C. Jackman, A Comparison of Odd Nitrogen Production Sources in the Stratosphere and Mesosphere as Computed Using a Two-Dimensional Model, Fall AGU Meeting, December 1993, 1993 Fall Meeting Supplement to EOS, 474, 1993.
  12. T. P. Armstrong, D. Haggerty, L. J. Lanzerotti, C. Maclennan, R. Forsythe, A. Balough, E. Roelof, R. Gold, and S. M. Krimigis, Observation at Ulysses of a Spectrally-Peaked, Magnetic-Field-Aligned, 0.1 to 1 MeV Ion Event at 4.6 AU and 36 South Heliographic Latitude, Fall AGU Meeting, December 1993, 1993 Fall Meeting Supplement to EOS, 480, 1993.
  13. E. C. Roelof, T. P. Armstrong, G. M. Simnett, and L. J. Lanzerotti, Implications of Energetic Particle Streaming (60 keV-5 MeV) Near 5 AU Observed by Ulysses, Fall AGU Meeting, December 1993, 1993 Fall Meeting Supplement to EOS, 482, 1993.
  14. G. C. Anagnostopoulos, E. T. Sarris, A. G. Rigas, S. M. Krimigis, and T. P. Armstrong, Statistical Results of the Energy Extent and Velocity Dispersion of Intense Upstream Ion Events, Fall AGU Meeting, December 1993, 1993 Fall Meeting Supplement to EOS, 492, 1993.
  15. D. J. Williams, R. E. Gold, S. M. Krimigis, A. T. Y. Lui, R. W. McEntire, C.-I. Meng, E. C. Roelof, S. P. Christon, F. M. Ipavich, G. Gloeckler, T. P. Armstrong, F. Gliem, L. J. Lanzerotti, E. T. Sarris, D. H. Fairfield, S. Kokubun, T. Yamamoto, and L. A. Frank, Investigation of Energetic Particle Phenomena on October 27, 1992 in the Distant Magnetotail by GEOTAIL/EPIC (INVITED), Fall AGU Meeting, December 1993, 1993 Fall Meeting Supplement to EOS, 533, 1993.
  16. A. T. Y. Lui, D. J. Williams, R. W. McEntire, C. Jacquey, V. Angelopoulos, R. E. Gold, S. M. Krimigis, C.-I. Meng, E. C. Roelof, S. P. Christon, F. M. Ipavich, G. Gloeckler, T. P. Armstrong, F. Gliem, L. J. Lanzerotti, E. T. Sarris, D. H. Fairfield, S. Kokubun, and T. Yamamoto, Angular Anisotropy in Energetic Particle Bursts Observed by GEOTAIL/EPIC in the Distant Magnetotail (INVITED), Fall AGU Meeting, December 1993, 1993 Fall Meeting Supplement to EOS, 532, 1993.
  17. R. W. McEntire, D. J. Williams, A. T. Y. Lui, C. Jacquey, V. Angelopoulos, S. P. Christon, G. Gloeckler, T. P. Armstrong, D. H. Fairfield, and S. Kokubun, Observations of Energetic Ions in the Earth's Magnetotail with the Geotail/EPIC Instrument, Fall AGU Meeting, December 1993, 1993 Fall Meeting Supplement to EOS, 532, 1993.
  18. S. P. Christon, G. Gloeckler, F. M. Ipavich, A. Galvin, D. J. Williams, R. W. McEntire, R. E. Gold, S. M. Krimigis, A. T. Y. Lui, C.-I. Meng, E. C. Roelof, T. P. Armstrong, L. J. Lanzerotti, E. T. Sarris, D. H. Fairfield, and S. Kokubun, Observations of the Composition of Enhanced Energetic Ion Flux in the Distant Magnetotail, Fall AGU Meeting, December 1993, 1993 Fall Meeting Supplement to EOS, 532, 1993.
  19. L. J. Lanzerotti, T. P. Armstrong, C. G. Maclennan, G. M. Simnett, A. F. Cheng, R. E. Gold, D. J. Thomson, K. A. Anderson, S. E. Hawkins III, S. M. Krimigis, M. Pick, E. C. Roelof, E. T. Sarris, and S. J. Tappin, Overview of Selected Hot Plasma Measurements at Jupiter by the HI-SCALE Instrument on Ulysses, Fall AGU Meeting, December 1993, 1993 Fall Meeting Supplement to EOS, 512, 1993.
  20. L. J. Lanzerotti, C. G. Maclennan, G. M. Simnett, E. C. Roelof, T. P. Armstrong, R. E. Gold, S. M. Krimigis, E. T. Sarris, K. A. Anderson, M. Pick, and R. P. Lin, Measurement of the Heliolatitude Dependence of Anomalous Cosmic Ray Oxygen, Spring AGU Meeting, May 1994, 1994 Spring Meeting Supplement to EOS, 294, 1994.
  21. E. C. Roelof, G. M. Simnett, and T. P. Armstrong, IMF Connection for Solar Energetic Protons Observed at Ulysses via Recurrent Mid-Latitude Solar Wind Rarefaction Regions, Spring AGU Meeting, May 1994, 1994 Spring Meeting Supplement to EOS, 295, 1994.
  22. G. M. Simnett, S. J. Tappin, E. C. Roelof, L. J. Lanzerotti, T. P. Armstrong, R. E. Gold, S. M. Krimigis, K. A. Anderson, R. P. Lin, M. Pick, and E. T. Sarris, Detection of a Relativistic Electron Increase at High Heliographic Latitude, Fall AGU Meeting, December 1994, 1994 Fall Meeting Supplement to EOS, 513, 1994.
  23. T. P. Armstrong and Moncef Boufaida, The Propagation and Sources of 0.5 to 2.0 MeV Protons in the 1 to 5 AU In-Ecliptic Region, Fall AGU Meeting, December 1994, 1994 Fall Meeting Supplement to EOS, 534, 1994.
  24. L. J. Lanzerotti, R. E. Gold, K. A. Anderson, T. P. Armstrong, S. M. Krimigis, R. P. Lin, M. Pick, E. C. Roelof, E. T. Sarris, G. M. Simnett, and C. G. Maclennan, Studies of Low Energy Particles in the High Latitude Heliosphere (INVITED), Fall AGU Meeting, December 1994, 1994 Fall Meeting Supplement to EOS, 513, 1994.
  25. L. J. Lanzerotti, C. G. Maclennan, R. E. Gold, E. C. Roelof, G. M. Simnett, T. P. Armstrong, S. M. Krimigis, E. T. Sarris, K. A. Anderson, M. Pick, and R. P. Lin, Studies of the Anomalous Cosmic Ray Oxygen Component as a Function of Heliolatitude, Fall AGU Meeting, December 1994, 1994 Fall Meeting Supplement to EOS, 516, 1994.
  26. D. Haggerty and T. P. Armstrong, Ulysses HISCALE Observations of Jovian Particles in the Interplanetary Medium, Spring AGU Meeting, May 1995, 1995 Spring Meeting Supplement to EOS, S259, 1995.
  27. R. E. Gold, L. J. Lanzerotti, K. A. Anderson, T. P. Armstrong, S. E. Hawkins III, S. M. Krimigis, R. P. Lin, C. G. Maclennan, M. Pick, E. C. Roelof, E. T. Sarris, G. M. Simnett, and S. J. Tappin, Ulysses from South Pole to Equator: Low Energy Interplanetary Charged Particle Measurements, Spring AGU Meeting, May 1995, 1995 Spring Meeting Supplement to EOS, S241, 1995.
  28. M. Pick, A. Buttighoffer, A. Kerdraon, L. J. Lanzerotti, E. T. Sarris, T. P. Armstrong, G. M. Simnett, and E. C. Roelof, Transport of Sub-MeV Solar Particles to Heliolatitudes Above 50 S, Spring AGU Meeting, May 1995, 1995 Spring Meeting Supplement to EOS, S241, 1995.
  29. G. M. Simnett, E. C. Roelof, T. P. Armstrong, and L. J. Lanzerotti, Latitude and Radial Dependence of the 0.5-1.0 MeV/nucleon H/He Ratio Measured by Ulysses/HISCALE, Fall AGU Meeting, December 1995, 1995 Fall Meeting Supplement to EOS, F457, 1995.
  30. T. P. Armstrong, M. Boufaida, G. Giacalone, L. J. Lanzerotti, C. G. Maclennan, E. C. Roelof, G. M. Simnett, and K. A. Sayle, Evidence for Shock Acceleration to 2-4 MeV/Nucleon of Interstellar Helium in the 1-5 AU In-Ecliptic Region From Ulysses, Voyagers 1 and 2, and IMP8 Gradient Studies, Fall AGU Meeting, December 1995, 1995 Fall Meeting Supplement to EOS, F455, 1995.
  31. L. J. Lanzerotti, R. E. Gold, K. A. Anderson, T. P. Armstrong, S. E. Hawkins III, S. M. Krimigis, R. P. Lin, C. G. Maclennan, M. Pick, E. C. Roelof, E. T. Sarris, G. M. Simnett, S. J. Tappin, and D. J. Thomson, Low Energy Interplanetary Charged Particles Measured by HI-SCALE from Solar Pole to Solar Pole (INVITED), Fall AGU Meeting, December 1995, 1995 Fall Meeting Supplement to EOS, F457, 1995.
  32. K. A. Anderson, J. T. Gosling, R. P. Lin, T. P. Armstrong, and E. C. Roelof, Energetic Particles Associated With CME at the Boundary of the Heliosphere Plasma Sheet, Fall AGU Meeting, December 1995, 1995 Fall Meeting Supplement to EOS, F457, 1995.
  33. B. H. Mauk, M. Kane, E. P. Keath, S. M. Krimigis, and T. P. Armstrong, Role of Hot Ring Current Plasmas in the Transport of Iogenic Plasmas Within Jupiter's Inner Magnetosphere, Fall AGU Meeting, December 1995, 1995 Fall Meeting Supplement to EOS, F343, 1995.
  34. F. M. Vitt, T. P. Armstrong, T. E. Cravens, and C. H. Jackman, Solar Induced Sources of Nitrogen Oxides in the Earth's Polar Middle Atmosphere, Spring AGU Meeting, May 1996.
  35. C. G. Maclennan, L. J. Lanzerotti, T. P. Armstrong, E. C. Roelof, R. E. Gold, and R. B. Decker, Low Energy Charged Particles in the High Latitude Heliosphere, Spring AGU Meeting, May 1996, 1996 Spring Meeting Supplement to EOS, S212, 1996.
  36. T. P. Armstrong, Shawn Stone, D. J. Williams, R. E. McEntire, S. M. Krimigis, E. C. Roelof, B. Mauk, B. Wilken, J. G. Roederer, T. A. Fritz, and L. J. Lanzerotti, Observations of Ion and Electron Phase Space Densities in the Io Torus Region, Fall AGU Meeting, December 1996, 1996 Fall Meeting Supplement to EOS, F434, 1996.
  37. F. M. Vitt, T. P.Armstrong, T. E. Cravens, and C. H. Jackman, Solar Induced Sources of Nitrogen Oxides in the Earth's Polar Middle Atmosphere, Fall AGU Meeting, December 1996, 1996 Fall Meeting Supplement to EOS, F541, 1996.
  38. R. B. Decker, E. C. Roelof, R. E. Gold, G. M. Simnett, L. J. Lanzerotti, C. G. Maclennan, and T. P. Armstrong, Recurrent Low Energy Particle Events in the Northern Heliosphere: Ulysses, Voyager 1/2, and IMP8, Fall AGU Meeting, December 1996, 1996 Fall Meeting Supplement to EOS, F571, 1996.
  39. N. Krupp, A. Lagg, B. Wilken, J. Woch, D. J.. Williams. E. C. Roelof, B. H. Mauk, R. E. McEntire, S. M. Krimigis, T. P. Armstrong, L. J. Lanzerotti, T. A. Fritz, and J. G. Roederer, New Energetic Particle Observations of the Galileo Energetic Particles Detector (EPD): Ganymede 2 Encounter (G2), Fall AGU Meeting, December 1996, 1996 Fall Meeting Supplement to EOS, F436, 1996.
  40. A. Lagg, N. Krupp, B. Wilken, D. J. Williams, E. C. Roelof, R. E. McEntire, B. H. Mauk, S. M. Krimigis, T. P. Armstrong, L. J. Lanzerotti, T. A. Fritz, and J. G. Roederer, Energetic Ion Observations in the Vicinity of Io Obtained from the Energetic Particle Detector (EPD) on board the Galileo Spacecraft, Fall AGU Meeting, December 1996, 1996 Fall Meeting Supplement to EOS, F435, 1996.
  41. D. J. Williams, R. E. McEntire, B. H. Mauk, E. C. Roelof, S. M. Krimigis, T. P. Armstrong, T. A. Fritz, L. J. Lanzerotti, J. G. Roederer, B. Wilken, and N. Murphy, Results From the Galileo Energetic Particles Detector During the Second Ganymede Encounter, Fall AGU Meeting, December 1996, 1996 Fall Meeting Supplement to EOS, F435, 1996.
  42. B. H. Mauk, D. J. Williams, R. E. McEntire, E. C. Roelof, S. M. Krimigis, T. P. Armstrong, T. A. Fritz, L. J. Lanzerotti, J. G. Roederer, and B. Wilken, Hot Ring Current Plasma Parameters of the Io Plasma Torus Regions as Derived From Galileo EPD Measurements, Fall AGU Meeting, December 1996, 1996 Fall Meeting Supplement to EOS, F435, 1996.
  43. R. W. McEntire, D. J. Williams, B. H. Mauk, E. C. Roelof, S. M. Krimigis, T. P. Armstrong, B. Wilken, J. G. Roederer, T. A. Fritz, and L. J. Lanzerotti, Energetic Ion Composition Measurements in the Io Torus with the Galileo Energetic Particles Detector (EPD), Fall AGU Meeting, December 1996, 1996 Fall Meeting Supplement to EOS, F435, 1996.
  44. E. C. Roelof, D. J. Williams, R. E. McEntire, B. H. Mauk, S. M. Krimigis, T. P. Armstrong, T. A. Fritz, L. J. Lanzerotti, J. G. Roederer, and B. Wilken, Energetic Particle Angular Distributions Near Io as Measured by Galileo/EPD: Complex Signatures of Moon/Magnetosphere Interactions, Fall AGU Meeting, December 1996, 1996 Fall Meeting Supplement to EOS, F435, 1996.
  45. D. J. Williams, R. E. McEntire, B. H. Mauk, E. C. Roelof, S. M. Krimigis, T. P. Armstrong, T. A. Fritz, L. J. Lanzerotti, J. G. Roederer, and B. Wilken, Energetic Particle Distributions and Bidirectional Electron Beams Observed in the Plasma Torus and at Io by the Galileo Energetic Particles Detector (INVITED), Fall AGU Meeting, December 1996, 1996 Fall Meeting Supplement to EOS, F430, 1996.
  46. B. H. Mauk, D. J. Williams, R. E. McEntire, E. C. Roelof, S. M. Krimigis, T. P. Armstrong, T. A. Fritz, L. J. Lanzerotti, J. G. Roederer, and B. Wilken, Force Balance in Jupiter's Magnetodisk (INVITED), Fall AGU Meeting, December 1996, 1996 Fall Meeting Supplement to EOS, F431, 1996.
  47. A. Lagg, D. J. Williams, E. C. Roelof, R. W. McEntire, S. M. Krimigis, T. P. Armstrong, L. J. Lanzerotti, T. A. Fritz, J. G. Roederer, N. Krupp, and B. Wilken, Charge Exchange Processes in the Io Plasma Torus: Possible Explanation for Depletion of Energetic Sulfur Ions at High Pitch Angles Observed with the Energetic Particles Detector (EPD) on Board the Galileo Spacecraft, Spring AGU Meeting, May 1997, 1997 Spring Meeting Supplement to EOS, S306, 1997.
  48. T. Duman and T. P. Armstrong, Study of Particle Flow Anisotropies Observed with GEOTAIL, Spring AGU Meeting, May 1997, 1997 Spring Meeting Supplement to EOS, S269, 1997.
  49. T. P. Armstrong, S. Stone, and B. H. Mauk, Distributions of Energetic Particles at Jupiter (INVITED), Spring AGU Meeting, May 1997, 1997 Spring Meeting Supplement to Eos, S303, 1997.
  50. F. Vitt, T. P. Armstrong, T. E. Cravens, and C. Jackman, Energetic Charged Particle Component of the NOy Budget of the Polar Middle Atmosphere, Spring AGU Meeting, May 1997, 1997 Spring Meeting Supplement to EOS, S81, 1997.
  51. R. M. Thorne, D. J. Williams, T. P. Armstrong, R. W. McEntire, S. J. Bolton, D. A. Gurnett, and M. G. Kivelson, Io Torus Microphysics (INVITED), Spring AGU Meeting, May 1997, 1997 Spring Meeting Supplement to EOS, S298, 1997.
  52. D. J. Williams, B. H. Mauk, R. W. McEntire, E. C. Roelof, S. M. Krimigis, T. P. Armstrong, B. Wilken, J. G. Roederer, T. A. Fritz, and L. J. Lanzerotti, Energetic Particle Observations by Galileo (INVITED), Spring AGU Meeting, May 1997, 1997 Spring Meeting Supplement to EOS, S291, 1997.
  53. R. W. McEntire, D. J. Williams, B. H. Mauk, E. C. Roelof, S. M. Krimigis, T. P. Armstrong, B. Wilken, J. G. Roederer, T. A. Fritz, and L. J. Lanzerotti, Observations of Energetic Particle Flux Variations During Europa Encounters by the Galileo Energetic Particles Detector (EPD), Spring AGU Meeting, May 1997, 1997 Spring Meeting Supplement to EOS, S292, 1997.
  54. B. H. Mauk, D. J. Williams, R. W. McEntire, E. C. Roelof, S. M. Krimigis, T. P. Armstrong, T. A. Fritz, L. J. Lanzerotti, J. G. Roederer, and B. Wilken, Hot Plasma Parameters of Jupiter's Middle Magnetosphere as Derived From Galileo EPD Measurements, Spring AGU Meeting, May 1997, 1997 Spring Meeting Supplement to EOS, S292, 1997.
  55. E. C. Roelof, R. B. Decker, R. E. Gold, G. M. Simnett, L. J. Lanzerotti, C. G. Maclennan, and T. P. Armstrong, Reappearance of Recurrent Low Energy Particle Events in the Northern Heliosphere: Ulysses, Voyager 1/2, and IMP8, Spring AGU Meeting, May 1997, 1997 Spring Meeting Supplement to EOS, S259, 1997.
  56. R. W. McEntire, B. H. Mauk, D. J. Williams, E. C. Roelof, S. M. Krimigis, T. P. Armstrong, B. Wilken, J. G. Roederer, T. A. Fritz, and L. J. Lanzerotti, Observations of Energetic Particle Composition and Spectra by the Galileo Energetic Particles Detector (EPD), Fall AGU Meeting, December 1997, 1997 Fall Meeting Supplement to EOS, F421, 1997.
  57. R. E. Gold, D. A. Lohr, D. K. Haggerty, S. M. Krimigis, T. P. Armstrong, and L. J. Lanzerotti, First Observations from the Electron, Proton, and Alpha Monitor (EPAM) on the ACE Spacecraft, Fall AGU Meeting, December 1997, 1997 Fall Meeting Supplement to EOS, F562, 1997.
  58. K. A. Anderson, R. P. Lin, J. T. Gosling, E. J. Smith, T. P. Armstrong, and E. C. Roelof, An Unusual, CME-Related Energetic Particle Event, Fall AGU Meeting, December 1997, 1997 Fall Meeting Supplement to EOS, F540, 1997.
  59. D. K. Haggerty and T. P. Armstrong, HI-SCALE Observations of Jovian Interplanetary Events, Fall AGU Meeting, December 1997, 1997 Fall Meeting Supplement to EOS, F625, 1997.
  60. D. K. Haggerty, R. Gold, S. M. Krimigis, S. E. Hawkins, T. P. Armstrong, and G. G. Holland, Upstream Energetic Ion Events Observed by EPAM, Spring AGU Meeting, May 1998, 1998 Spring Meeting Supplement to EOS, S262, 1998.
  61. T. P. Armstrong and G. G. Holland, Particle Acceleration at Interplanetary Shocks Observed with the Electron and Proton Anisotropy Monitor on the Advanced Composition Explorer, Spring AGU Meeting, May 1998, 1998 Spring Meeting Supplement to EOS, S262, 1998.
  62. S. M. Krimigis, R. E. Gold, D. K. Haggerty, S. E. Hawkins II, T. P. Armstrong, and L. J. Lanzerotti, Early Results From the Electron, Proton and Alpha Monitor Instrument (EPAM) on the ACE Mission (INVITED), Spring AGU Meeting, May 1998, 1998 Spring Meeting Supplement to EOS, S261, 1998.
  63. C. G. Maclennan, L. J. Lanzerotti, R. E. Gold, and T. P. Armstrong, Low Energy Particles Near the Ecliptic at ~5 AU at the Onset of Solar Activity Cycle 23, Fall AGU Meeting, Dec. 1998.
  64. S. Stone and T. P. Armstrong, Characterizing Ganymede's Magnetosphere with Energetic Ion and Electron Absorption Signatures, Fall AGU Meeting, Dec. 1999.
  65. N. Krupp, S. Livi, S. M. Krimigis, T. P. Armstrong, A. Lagg, D. G. Mitchell, I. Dandouras, and D. C. Hamilton, First Results of the Energetic Particle Detector MIMI/LEMMS Onboard the Cassini Spacecraft during Earth Flyby, Fall AGU Meeting, Dec. 1999.
  66. S. Livi, S. M. Krimigis, T. P. Armstrong, D. G. Mitchell, I. Dandouras, N. Krupp, A. Lagg, H. Sommer, S. Jaskulek, and D. C. Hamilton, The Low Energy Magnetospheric Measurement System (LEMMS) Onboard the Cassini Spacecraft, Fall AGU Meeting, Dec. 1999.
  67. T. P. Armstrong, David Beard's Years at Kansas University (INVITED), Fall AGU Meeting, Dec. 1999.

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