Conference Presentations

  1. Janches, D., Mathews, J.D., Meisel, D.D., and Zhou, Q. UHF Observations of Meteors during the November 1995 Leonids Period. URSI. January 1998
  2. Janches, Diego, John D. Mathews, David D. Meisel, and Qhiou H. Zhou, Highlights of radar meteor science at Arecibo, CEDAR, June 1999, Boulder, CO, USA
  3. Janches, Diego, John D. Mathews, David D. Meisel, and Qhiou H. Zhou, Radar Micrometeors: I. Overview of the Doppler Velocity and Deceleration Results from Arecibo, Asteroids, Comets and Meteors, July 1999, Ithaca, NY, USA
  4. Janches, Diego, John D. Mathews, David D. Meisel, and Qhiou H. Zhou, Radar Micrometeors: II. Details on the determination of meteor sizes and masses derived by comparing numerical modeling and experimental data., Asteroids, Comets and Meteors, July 1999, Ithaca, NY, USA
  5. Janches, Diego, David D. Meisel, and John D. Mathews, Dynamical and Orbital Properties of the Arecibo Micrometeors, Paper 1.2, IAU Colloquium 181/COSPAR Colloquium 11-Dust in the Solar System and Other Planetary Systems, 10-14 April, 2000, Canterbury, UK.
  6. Janches, Diego, John D. Mathews, and David D. Meisel, A Study of the Entry Kinetics of the Arecibo Micrometeoroids in the Earth Upper Atmosphere, CEDAR, June 2000, Boulder, CO, USA
  7. Janches Diego, A. Pellinen-Wannberg, G. Wannberg, A. Westman and I. Hagstrom, Tristatic Measurements of meteors Using the 930 MHz EISCAT Radar System, Paper 7.7, Meteoroids 2001, 6-10 August, 2001, Swedish Institute of Space Physics, Kiruna, Sweden.
  8. Mathews, John D., Diego Janches, Qhina N. Zhou, Qhiou.-H. Zhou., Meteoric Deposition of Metals and Subsequent Transport of Metal Ions in the E-Region, CEDAR, June 1999, Boulder, CO, USA
  9. Meisel, David D., Diego Janches, John D. Mathews, Interstellar Particles Detected with the Arecibo 430 MHz Radar, Asteroids, Comets and Meteors, July 1999, Ithaca, NY, USA
  10. Mathews, John D., Diego Janches, David D. Meisel, and Qhiou.-H. Zhou, An Overview of Radar Micrometeor Observations at Arecibo Observatory, Asteroids, Comets and Meteors, July 1999, Ithaca, NY, USA
  11. Mathews, John D., Diego Janches, David D. Meisel, and Qhiou -H. Zhou, Radar Micrometeors: Physical Processes and the Radar Scattering Mechanism, Asteroids, Comets and Meteors, July 1999, Ithaca, NY, USA
  12. Mathews, J. D., D. Janches, D.D. Meisel and Q.H. Zhou. The Radar Micrometeor Scattering Mechanism and associated Physical Processes. URSI, January 2000, Boulder, CO, USA
  13. Mathews, J. D., D. Janches, D.D. Meisel and Q.H. Zhou. Direct Determination of Meteoric Mass Flux into the Upper Atmosphere. URSI, January 2000, Boulder, CO, USA
  14. Zhou, Q.H., J.D. Mathews, D. Janches, and D.D. Meisel. Observations of Long Duration Meteor Echoes by Large Aperture Radars. URSI, January 2000, Boulder, CO, USA
  15. Mathews, John D., Diego Janches, and David D. Meisel, Direct Determination of the Micrometeoric Mass Flux into the Upper Atmosphere, Paper 8.43, IAU Colloquium 181/COSPAR Colloquium 11-Dust in the Solar System and Other Planetary Systems, 10-14 April, 2000, Canterbury, UK.
  16. Mathews, John D., Diego Janches, and David D. Meisel, Arecibo Radar Studies of Micrometeors: Zodiacal and Interstellar Dust in the Solar System and the Atmospheric Fate of This Dust, 8th Workshop on the Physics of Dusty Plasmas, 26-28 April, 2000, Santa Fe, NM, USA.
  17. Mathews, J. D., D. Janches, and D.D. Meisel., The Micrometeoroid Mass Flux into the Upper Atmosphere: An Update on Arecibo Results and a Comparison with Prior Estimates. URSI, January 2001, Boulder, CO, USA.
  18. Mathews, J. D., Q.-H. Zhou, and D. Janches., New Aeronomic and Radio Science Results from Meteor Observations Made Using the Large-Aperture V/UHF Radars. CEDAR, June 2001, CO, USA.
  19. Briczinski, S, D. Janches and J.D. Mathews, Observed Meteor Altitude Distribution and Subsequent Meteoric Mass Deposition in the Upper Atmosphere. CEDAR, June 2001, CO, USA.
  20. Asta Pellinen-Wannberg, Diego Janches, Gudmund Wannberg*, Assar Westman, John Mathews, David Meisel, Interplanetary Dust Particle Distribution in the Earth's Vicinity Studied with the EISCAT and Arecibo IS Radar Systems(Invited talk) 10th EISCAT Workshop, NIPR, Tokyo, Japan 23-27 July 2001
  21. Mathews, John D., Diego Janches, David D. Meisel and Q.H Zhou, Updated Micrometeoroid Mass Flux Results from Arecibo Meteor Observations, Paper PSA-32, Meteoroids 2001, 6-10 August, 2001, Swedish Institute of Space Physics, Kiruna, Sweden.
  22. Mathews, John D., Diego Janches, David D. Meisel, Q.H Zhou, S. Close and A. Pellinen-Wannberg, The Role of Large Aperture V/UHF Radar Meteor Observations in Meteor Science (Invited Talk), Paper 7.2, Meteoroids 2001, 6-10 August, 2001, Swedish Institute of Space Physics, Kiruna, Sweden.
  23. Meisel, David D., Diego Janches and John D. Mathews, Arecibo Detection of a "Large" Mass Component in the Ulysses Interstellar Dust Flow, Paper PSB-21, Meteoroids 2001, 6-10 August, 2001, Swedish Institute of Space Physics, Kiruna, Sweden.
  24. Meisel, David D., Diego Janches and John D. Mathews, The Size Distribution of Arecibo ISPs and its Implications, Paper 11-7, Meteoroids 2001, 6-10 August, 2001, Swedish Institute of Space Physics, Kiruna, Sweden.
  25. Mathews, John D., Diego Janches and David D. Meisel, The Micrometeoroid Mass Flux into the Upper Atmosphere: An Update on Arecibo Results and a Comparison with Prior Estimates. URSI, January 2001, Boulder, CO, USA.
  26. Janches, Diego, Qihou H. Zhou, Mike Nolan, David D. Meisel, Danielle E. Moser and John D. Mathews, Monitoring the yearly sporadic micrometeor flux into the upper atmosphere using the Dual-Beam 430 MHz Arecibo Radar, Asteroids, Comets and Meteors, July 29th- August 2nd, 2002, Berlin, Germany.
  27. Janches, Diego, Douglas O. Revelle, John D. Mathews and David D. Meisel, Observational and Theoretical Evidence of Sudden Disintegration of Micrometeors. An New Mechanism of Meteoric Mass Deposition in the Upper Atmosphere, Asteroids, Comets and Meteors, July 29th- August 2nd, 2002, Berlin, Germany.
  28. Mathews, John D., John Doherty, C.H. Wen, Diego Jnaches and David D. Meisel, Meteor Science Issues Addressed Via UHF Radar Meteor Observations at Arecibo Observatory, Asteroids, Comets and Meteors, July 29th- August 2nd, 2002, Berlin, Germany.
  29. Janches Diego, Asta Pellinen-Wannberg, Gudmund Wannberg, David D. Meisel, Assar Westman and Ingemar Haggsstrom, The Tristatic 930 MHz Radarr System: A Unique Tool for Meteor/Dust Studies, URSI General Assmebly, Maastricht, The Netherlands, August 17-24, 2002.
  30. Pellinen-Wannberg, Asta, Gudmund Wannberg, Assar Westman, Ingemar Haggsstrom, John D. Mathews, Diego Janches and David D. Meisel, Global Interplanetary Dust Distribution Measurements with the EISCAT and Arecibo HPLA radars, URSI General Assmebly, Maastricht, The Netherlands, August 17-24, 2002.
  31. Janches, D., D.D. Meisel, M.C. Nolan, B.D. Bartlett, J.D. Mathews, Q.H. Zhou and D.E. Moser, Orbital properties of micron-size dust determined using the Arecibo 430 MHz dual-beam radar, Astrophysics of Dust, Estes Park, CO, USA, May 26-30, 2003.
  32. Meisel, D.D., D. Janches and J. D. Mathews, Near by stars as sources of Arecibo radar detected interstellar dust particles, Astrophysics of Dust, Estes Park, CO, USA, May 26-30, 2003.
  33. Mathews, J.D., D. Janches. D.D. Meisel and Q.H. Zhou, The atmospheric fate of 0.5 – 100 micron dust observed as radar micrometeors at Arecibo Observatory, Astrophysics of Dust, Estes Park, CO, USA, May 26-30, 2003.
  34. Sulzer, M.P., S. Gonzalez, N. Aponte and D. Janches, New 430 MHz radar capabilities for aeronomy at Arecibo Observatory, AGU Fall meeting, San Francisco, CA, USA, December 8-12, 2003.
  35. D. Janches, M.C. Nolan, J.D. Mathews and D.D. Meisel, A semi-annual study of the micrometeor influx in the mesopause, AGU Fall meeting, San Francisco, CA, USA, December 8-12, 2003.
  36. Raizada, S., C.A. Tepley, D. Janches. J.S. Friedman, Q.H. Zhou and J.D. Mathews, AGU Fall meeting, San Francisco, CA, USA, December 8-12, 2003.
  37. Chau, J.L., R.F. Woodman and D. Janches, Statistics of meteor head-echo observations using the Jicamarca 50 MHz radar, AGU Fall meeting, San Francisco, CA, USA, December 8-12, 2003.
  38. Kelly Denney, Lars P. Dyrud, Erhan Kudeki, Julio Urbina, Diego Janches, Meers Oppenheim, Diurnal Variability of Specular and Non-specular Radar Meteor Trails, CEDAR, June 27th-July 2nd, Santa Fe, NM, 2004.
  39. S. de la Peña, S.K. Avery, J.P. Avery, E.M. Lau, D. Janches, Wind measurements in the Mesosphere/Lower thermosphere using the Platteville, CO MEDAC 50 MHz meteor radar, CEDAR, June 27th-July 2nd, Santa Fe, NM, 2004.
  40. Elias M. Lau, Diego Janches, Susan K. Avery James P. Avery, Scott E. Palo, Nikolai A. Makarov, CEDAR, June 27th-July 2nd, Santa Fe, NM, 2004.
  41. Janches, D., S.E. Palo, E.M. Lau, S.K. Avery, J.P. Avery, S. de la Peña and N.A. Makarov, Diurnal and seasonal variability of the meteoric flux at the South Pole measured with radars, Meteoroids 2004, August 16-20, London, ON, Canada, 2004.
  42. S. Close, D. Janches, A. Pellinen-Wannberg and J.D. Mathews, Meteoroid head echo observations, Meteoroids 2004, August 16-20, London, ON, Canada, 2004.
  43. Janches, D. and J.L. Chau,Observed diurnal and seasonal behavior of the micrometeor flux using the Arecibo and Jicamarca radars, Meteoroids 2004, August 16-20, London, ON, Canada, 2004.
  44. Meisel, D.D., E.Bauer, K. Anne, M. Valites, B.D. Bartlett, S. Briczinski, J.D. Mathews and D. Janches, Heliospheric modulation of the extrasolar micrometeors detected with the Arecibo UHF radar, Meteoroids 2004, August 16-20, London, ON, Canada, 2004.
  45. Dyrud, L.P., D. Janches, E. Kudeki, J. Urbina, K. Denney and M. Oppenheim, Diurnal variability of specular and non-specular radar meteor trails, Meteoroids 2004, August 16-20, London, ON, Canada, 2004.
  46. Janches, D. and D.O. ReVelle, Micrometeor initial ablation altitude: Comparison between observations and theory, Meteoroids 2004, August 16-20, London, ON, Canada, 2004.
  47. de la Peña, S., S.K. Avery, J.P. Avery, E.M. Lau and D. Janches, Wind measurements in the Mesosphere/Lower thermosphere using the Platteville, CO MEDAC 50 Mhz meteor radar, Meteoroids 2004, August 16-20, London, ON, Canada, 2004.
  48. Lau, E.M., D. Janches, S.K. Avery, J.P. Avery, S.E. Palo and N.A. Makarov, Interferometric meteor observations at the South Pole, Meteoroids 2004, August 16-20, London, ON, Canada, 2004.
  49. Janches, D., J.L. Chau, S.E. Palo, S.K. Avery, J.P. Avery and E.M. Lau, Understanding the near-earth micrometeor environment using radar measurements, URSI National Meeting, Boulder, CO, USA, January 5-8, 2005.
  50. Dyrud, L., D. Janches, J. Urbina, M. Oppenheim and K. Denney, Understanding radar meteor biases via comparisons of specular, non-specular trails and head echoes , URSI National Meeting, Boulder, CO, USA, January 5-8, 2005.
  51. Lau, E.M., S.K. Avery, J.P. Avery, D. Janches, S.E. Palo and N.A. Makarov, Characteristics of the meteor distribution and wind field over the geographic south pole using an intereferometric meteor radar, URSI National Meeting, Boulder, CO, USA, January 5-8, 2005.
  52. D. Janches, J.L. Chau, S.E. Palo, S.K. Avery, J.P. Avery and E.M.Lau, Modeling an accurate micrometeor input function in the Mesosphere/Lower Thermosphere, Invited, EGU-General Assembly, Vienna, April 24th-29th, 2005.