2011

  • Lee, H.-H. K., I. R. Linscott and U. S. Inan (2011), Framework for Soft-Error-Resilient Sequential Cell Design, Nuclear & Space Radiation Effects Conference (NSREC), Las Vegas, July 25-29.
  • Haque, N., U. S. Inan, T. F. Bell (2011), Correspondence Between Whistler Mode Ducts and Chorus Emissions Observed on the Cluster Spacecraft, Poster presentation at XXX URSI General Assembly and Scientific Symposium; Istanbul, Turkey; Abstract HP1.23; 13-20 August, 2011.

2010

  • Carlson, B. E., N. G. Lehtinen, and U. S. Inan (2010), Terrestrial gamma-ray flash production by lightning leaders, National Radio Science Meeting, Boulder, CO, January 6-8.
  • Golden, D. I. and M. Spasojevic (2010). The plasmasphere's back door: a raytracing explanation of chorus propagation from its magnetospheric source to the ground; Oral presentation at Radiation Belts St. Petersburg Workshop, St. Petersburg, Russia, 27-30 July, 2010
  • Lee, H.-H. K., K. Lilja, M. Bounasser, P. Relangi, I. R. Linscott, U. S. Inan and S. Mitra (2010), LEAP: Layout Design through Error Aware Transistor Positioning for Soft-Error-Resilient Sequential Cell Design, IEEE International Reliability Physics Symposium (IRPS), Anaheim CA, May 2-6.
  • Lee, H.-H. K., K. Lilja, M. Bounasser, P. Relangi, I. R. Linscott, U. S. Inan and S. Mitra (2010), Design of a Sequential Logic Cell Using LEAP: Layout Design Through Error Aware Transistor Positioning, Oral presentation at 2010 IEEE Workshop on Silicon Errors in Logic - System Effects; Stanford, CA; Abstract V-2; 23-24 March, 2010.
  • Cohen, M. B., (2010) On the Generation of ELF/VLF Waves into the Earth-ionosphere Waveguide via Steerable HF Heating of the Lower Ionosphere, Oral presentation at plenary session of 2010 URSI US National Radio Science Meeting, as part of student paper competition; Boulder, CO;7 January, 2010. INVITED.
  • Cohen, M. B., (2010) On the Generation of ELF/VLF Waves into the Earth-ionosphere Waveguide via Steerable HF Heating of the Lower Ionosphere; Oral presentation at 2010 URSI US National Radio Science Meeting; Boulder, CO; Abstract GH1-3; 6-9 January, 2010.
  • Haque, N. (2010), Correspondence Between Whistler Mode Ducts and Chorus Emissions, Oral presentation at The Radiation Belts Saint Petersburg (RBSPb) Workshop; Saint Petersburg, Russia; 27-30 July, 2010.
  • Haque, N., T. F. Bell, U. S. Inan (2010), Correspondence Between Whistler Mode Ducts and Chorus Emissions Observed on the Cluster Spacecraft, Poster presentation at AGU Fall Meeting 2010; San Francisco, CA; Abstract SM41C-1894; 13-17 December, 2010.
  • Lehtinen, N. G., M. B. Cohen, K. Graf and U. S. Inan, VLF signatures of D-region disturbances, Oral presentation at USNC-URSI National Radio Science Meeting; University of Colorado, Boulder, CO; Abstract GH1-2; January 6-9, 2010.

2009

  • Cotts, B. R., U. S. Inan and N. G. Lehtinen, Theoretical prediction of longitude dependence of electron precipitation due to lightning, Poster presentation at AGU Fall Meeting; San Francisco, CA; Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract SM23A-1582; 14-18 December 2009.
  • Carlson, B. E., N. G. Lehtinen, and U. S. Inan (2009), Terrestrial gamma-ray flash production by lightning current pulses, AGU 2009 Fall Meeting, poster AE33B-0308, San Francisco, CA, December 14-18.
  • Carlson, B. E., N. G. Lehtinen, and U. S. Inan (2009), Terrestrial gamma-ray flashes from storm to satellite, American Geophysical Union Chapman Conference on Effects of Thunderstorms and Lightning in the Upper Atmosphere, State College, PA, May 10-14.
  • Carlson, B. E., N. G. Lehtinen, and U. S. Inan (2009), Terrestrial gamma-ray flash electron observations by the SAMPEX satellite and their implications, National Radio Science Meeting, Boulder, CO, January 5-8.
  • Golden, D. I., M. Spasojevic and U. S. Inan (2009) The Role of the Plasmapause in Ground-Based Observations of ELF/VLF Chorus and Hiss at L=2.4; Poster presentation at AGU Fall Meeting, San Francisco, CA, 14-18 December, 2009.
  • Inan, U.S., D. I. Golden and M. Spasojevic (2009) The Evolution of Stanford University's ELF/VLF Broadband Data Archive; Poster presentation at AGU Fall Meeting, San Francisco, CA, 14-18 December, 2009.
  • Golden, D. I. (2009) Ground-Based Measurements of ELF/VLF Electromagnetic Phenomena; Invited oral presentation at Stanford University High Performance Computing workshop; Stanford, CA; 11 September, 2009.
  • Golden, D. I. (2009) Stanford VLF Measurements at Palmer Station; Oral presentation at Palmer Station, Antarctica, 22 March, 2009.
  • Golden, D. I., M. Spasojevic and U. S. Inan (2009) Observations of chorus at L=2.4 and their relation to hiss and the plasmapause; Oral presentation at 1st International Chorus Workshop; La Jolla, CA, 10-12 February, 2009.
  • Piddyachiy, D., U. S. Inan, T. F. Bell, M. Cohen, M. Parrot (2009), Recent Results of DEMETER Satellite Observations of HAARP-generated HF and ELF Waves, American Geophysical Union, Fall Meeting 2009; San Francisco, CA; Abstract SA13A-1476; 14-18 December.
  • Piddyachiy, D., U. S. Inan, T. F. Bell, M. Parrot and J.-J. Berthelier (2009), DEMETER satellite observations of man-made and natural processes in the auroral ionosphere over the HAARP HF heater, Poster presentation at ISSS-9, Saint-Quentin-en-Yvelines, France; Abstract IAPR-06; 3 - 10 July.
  • Gemelos, E.S., U.S. Inan, M. Walt, J. Sauvaud, M. Parrot, (2009) Seasonal Dependence of Energetic Electron Precipitation: Evidence for a Global Role of Lightning, Poster presentation at 2009 Fall AGU Meeting; San Francisco, CA; Abstract SM23A-1575; 14-18 December, 2009.
  • Gemelos, E.S., U.S. Inan, M. Walt, J. Sauvaud, M. Parrot, (2009) Seasonal Variation of Inner Belt Electron Precipitation with Lightning, Oral Presentation at 2009 URSI US National Radio Science Meeting; Boulder, CO; Abstract H1-1; 5-8 January, 2009.
  • Jin, G., M. Spasojevic, U. S. Inan (2009), Solar cycle variations of the lower ionosphere detected by VLF remote sensing, Poster presentation at AGU Fall Meeting; San Francisco, CA; Abstract SA51B-1231; 14-18 December, 2009.
  • Jin, G., M. Spasojevic, U. S. Inan (2009), Correlation between ELF signal intensity and magnetometer deviations in modulated ionospheric heating experiments, Oral presentation at 2009 URSI US National Radio Science Meeting; Boulder, CO; Abstract HG2-11; 5-8 January, 2009.
  • Golkowski, M (2009), Magnetospheric wave injection with the HAARP HF heater, Oral presentation at RF Ionospheric Interactions Workshop; Boulder, CO; 19-22 April, 2009; INVITED.
  • Golkowski, M., U. S. Inan (2009), Investigation of whistler-mode chorus with terrestrial wave injection and non-linear models, Oral Presentation at 1st International Chorus Workshop; Lajolla, CA, 10-12 February, 2009.
  • Golkowski, M., U. S. Inan, M. B. Cohen, A. R. Gibby (2009), Initial amplitude and phase dynamics of VLF triggered emissions excited by the HAARP HF heater, Oral presentation at 2009 URSI US National Radio Science Meeting; Boulder, CO; Abstract HG2-2; 5-8 January, 2009.
  • Cohen, M. B., U. S. Inan, M. Golkowski , N. G. Lehtinen, D. Piddyachiy (2009), ELF/VLF wave generation with the HAARP facility, Poster presentation at 2009 AGU Fall Meeting, San Francisco, CA; Abstract SA13A-1467; 14-18 December, 2009.
  • Cohen, M. B., (2009) ELF/VLF Waves: Ionospheric and Magnetospheric Physics on a Global Scale; seminar at NASA Goddard Space Flight Center; Greenbelt, MD; 17 September, 2009 INVITED.
  • Cohen, M. B. (2009), Techniques for ELF/VLF wave generation with the HAARP facility, Oral presentation at RF Ionospheric Interactions Workshop; Boulder, CO; 19-22 April, 2009; INVITED.
  • Cohen, M. B., U. S. Inan, M. Golkowski, N. G. Lehtinen (2009), ELF/VLF generation experiments at the HAARP facility, Oral presentation at 2009 URSI US National Radio Science Meeting; Boulder, CO; Abstract HG2-1; 5-8 January, 2009
  • Haque, N., M. Spasojevic, O. Santolik, and U. S. Inan (2009), Wave Normal Angles of Magnetospheric Chorus Emissions Observed on the Polar Spacecraft, Poster presentation at 2009 AGU Fall Meeting; San Francisco, CA; Abstract SM23A-1579; 14-18 December, 2009.
  • Lehtinen, N. G., M. Cohen and U. S. Inan, Scattering of VLF waves on HF-heated D-region disturbances, Poster presentation at AGU Fall Meeting; San Francisco, CA; Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract SA13A-1469; 14-18 December 2009.
  • Lehtinen, N. G., Full-Wave Modelling of ELF/VLF Effects, Oral presentation at AGU Chapman Conference on the Effects of Thunderstorm and Lightning in the Upper Atmosphere; Penn State University, State College, PA, USA; 10-14 May, 2009; INVITED.
  • Lehtinen, N. G., HF Modulated ELF/VLF Generation: Upward and Earth-Ionosphere Waveguide Excitation and Trans-Ionospheric Propagation, Oral Presentation at 15th Annual RF Ionospheric Interactions Workshop; Millennium Harvest House, Boulder, CO; 19-22 April, 2009; INVITED.
  • Lehtinen, N. G., Theoretical modeling of full wave propagation and rapid ionospheric chemistry, Oral presentation at ONR Lightning-ionosphere Workshop; Stanford University, Stanford, CA; February 12-13, 2009; INVITED.
  • Lehtinen, N. G., Theoretical Modeling of HF Heating and ELF/VLF Generation, Oral presentation at MURI, Radiation Belt Remediation, HAARP and DSX Workshop; Stanford University, Stanford, CA; February 18-19, 2009; INVITED.
  • Lehtinen, N. G. and U. S. Inan, ELF/VLF Wave Radiation Produced by an Equatorial Ionospheric Heater, Oral presentation at National Radio Science Meeting; Boulder, CO; Abstract HG2-9; January 5-8, 2009.
  • Bell, T. F., U. S. Inan, and N. Haque (2009), The Source Regions of Banded Chorus, Poster presentation at 2009 AGU Fall Meeting; San Francisco, CA; Abstract SM53B-1371; 14-18 December, 2009.
  • Adachi, T., S. Cummer, J. Li, N. Lehtinen, Y. Takahashi, R.-R Hsu, H.-T. Su, A. B. Chen, S. B. Mende, H. U. Frey (2009), Current moment waveforms in sprite/halo producing lightning derived from satellite optical measurements, Poster presentation at 2009 Fall AGU Meeting; San Francisco, CA; 14-18 December, 2009.
  • Adachi, T., M. Yamamoto, U. Inan, Y. Otsuka, and Y. Takahashi (2009), Possible VHF radar echoes in the lower ionosphere associated with lightning discharges, Poster presentation at AGU Chapman Conference on Effects of Thunderstorms and Lightning in the Upper Atmosphere; University Park, PA; Abstract EV-01; 10-14 May 2009.

2008

  • Gibby, A. R., U. S. Inan, T. F. Bell, (2008) A new model for the VLF triggered emission instability, Oral presentation at 3rd VERSIM Workshop, Tihany, Hungary, Sept. 15-20, 2008.
  • Carlson, B. E., N. G. Lehtinen, and U. S. Inan (2008), Observations and implications of terrestrial gamma-ray flash electrons, AGU 2008 Fall Meeting, poster AE11A-0268, San Francisco, CA, December 15-19.
  • Carlson, B. E., N. G. Lehtinen, and U. S. Inan (2008), Kerr effect remote sensing of thunderstorm electric fields, URSI General Assembly, Chicago, IL, August 7-16.
  • Carlson, B. E., N. G. Lehtinen, and U. S. Inan (2008), Observations and implications of terrestrial gamma-ray flash electrons, Workshop on Coupling of Thunderstorms and Lightning Discharges to Near-Earth Space, Corte, Corsica, France, June 23-27.
  • Carlson, B. E., N. G. Lehtinen, and U. S. Inan (2008), Energetic electrons accompanying terrestrial gamma-ray flashes, National Radio Science Meeting, Boulder, CO, January 2008
  • Golden, D. I., M. Spasojevic and U. S. Inan (2008) VLF Chorus and Hiss Characteristics Observed at L=2.4; Oral presentation at 3rd VERSIM Workshop, Tihany, Hungary, 15-20 September, 2008.
  • Golden, D. I., M. Spasojevic, U. S. Inan and D. L. Carpenter (2008) VLF Chorus and Hiss Characteristics as Observed at L=2.4; Poster presentation at URSI General Assembly; Chicago, IL; 7-16 August, 2008.
  • Piddyachiy, D., U. S. Inan, T. F. Bell, M. Parrot (2008), Characterization of the Ionosphere Above the HAARP HF Heater Using DEMETER Satellite Data, American Geophysical Union, Fall Meeting 2008; San Francisco, CA; Abstract SA43B-1597; 15-19 December, 2008.
  • Piddyachiy, D., U. S. Inan, T. F. Bell, M. Parrot, N. G. Lehtinen (2008), DEMETER Observations of a Column of Intense Up-going ELF/VLF Radiation Excited by the HAARP HF Heater, Oral presentation to URSI commission chairs at 2008 URSI General Assembly, Chicago, IL; 7-16 August; INVITED.
  • Piddyachiy, D., U. S. Inan, T. F. Bell, M. Parrot, N. G. Lehtinen (2008), DEMETER Observations of a column of intense up-going ELF/VLF radiation excited by the HAARP HF heater, Poster presentation at 2008 URSI General Assembly, Chicago, IL; Abstract HP-HG1.8; 7-16 August.
  • Piddyachiy, D., U. S. Inan, M. Parrot, (2008), DEMETER Satellite Observations of HAARP-generated ELF/VLF/HF Waves and their Effects, Poster presentation at RF Ionospheric Interactions Workshop; Boulder, CO; 22-25 April, 2008; INVITED.
  • Piddyachiy, D., (2008) DEMETER Observations of HAARP generated ELF/VLF and HF waves, Oral presentation at Remediation of Enhanced Radiation Belts Workshop; Lake Arrowhead, CA; 3-6 March, 2008; INVITED.
  • Gemelos, Erin S., U.S. Inan, M. Walt, J-A. Sauvaud, and M. Parrot, (2008) Seasonal differences in electron precipitation driven by lightning, Oral presentation at 3rd VERSIM Workshop, Tihany, Hungary, Sept. 15-20, 2008.¬†
  • Golkowski, M.., U. S. Inan, M. B. Cohen, D. Piddyachiy, A. Streltsov (2008), Wave injection with the HAARP HF heater: conditions and coherence limits for magnetospheric amplification, Poster presentation at 2007 AGU Fall Meeting; San Francisco, CA; Abstract SA438-1591; 15-19 December, 2008.
  • Golkowski, M., U. S. Inan, M.B. Cohen, (2008) VLF triggered emissions excited by the HAARP HF ionospheric heater, Oral presentation at 3rd VERSIM Workshop, Tihany, Hungary, Sept. 15-20, 2008; IAGA YOUNG SCIENTIST AWARD WINNER.
  • Golkowski, M.., (2008) ELF/VLF wave injection experiments with HAARP, Oral presentation at RF Ionospheric Workshop; Boulder, CO; 22-25 April, 2008; INVITED.
  • Golkowski, M.., (2008) Wave Injection at Low Latitudes, Oral presentation at Remediation of Enhanced Radiation Belts Workshop; Lake Arrowhead, CA; 3-6 March, 2008; INVITED
  • Golkowski, M.., (2008) HAARP One-hop Two-hop Observations, Oral presentation at Remediation of Enhanced Radiation Belts Workshop; Lake Arrowhead, CA; 3-6 March, 2008; INVITED.
  • Golkowski, M., U. S. Inan, M.B. Cohen (2008), Magentospheric propagation paths of whistler-mode signals excited by the HAARP HF heater; Oral presentation at 2008 URSI US National Radio Science Meeting; Boulder, CO; Abstract HGS4-11; 3-6 January, 2008.
  • Cohen, M. B., U. S. Inan, N. G. Lehtinen, and M. Golkowski (2008) Optimizing ELF/VLF generation via HF heating utilizing beam motion; Oral presentation at 2008 Fall AGU Meeting; San Francisco, CA; 15-19 December, 2008.
  • Cohen, M. B., and U. S. Inan (2008) Geometric Modulation: A New, More Effective Method of Steerable ELF/VLF Wave Generation with Continuous HF Heating of the Lower Ionosphere; Poster presentation at URSI General Assembly; Chicago, IL; Abstract GP1-GHE14; 7-16 August, 2008.
  • Cohen, M. B., and U. S. Inan (2008) Geometric Modulation: A New, More Effective Method of Steerable ELF/VLF Wave Generation with Continuous HF Heating of the Lower Ionosphere; Oral presentation at URSI General Assembly International Student Paper Competition session; Chicago, IL; 7-16 August, 2008; INVITED.
  • Cohen, M. B., (2008) ELF/VLF Wave Injection Experiments; Oral presentation at RF Ionospheric Interactions Workshop; Boulder, CO; 22-25 April, 2008; INVITED.
  • Cohen, M. B., (2008) New methods of ELF/VLF wave generation, Oral presentation at Remediation of Enhanced Radiation Belts Workshop; Lake Arrowhead, CA; 3-6 March, 2008; INVITED.
  • Cohen, M. B., U. S. Inan, M. A. Golkowski (2008), Variation of HF beam parameters in ELF/VLF generation via modulated heating of the auroral electrojet; Oral presentation at 2008 URSI US National Radio Science Meeting; Boulder, CO; Abstract HGS4-10; 3-6 January, 2008.
  • Lehtinen, N. G. and U. S. Inan, ELF/VLF Wave Radiation by an Equatorial Ionospheric Heater, Poster presentation at AGU Fall Meeting; San Francisco, CA; Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract SA43B-1594; 15-19 December 2008.
  • Lehtinen, N. G. and U. S. Inan, Generation of ELF/VLF waves by an ionospheric heater at the geomagnetic equator, Poster presentation at XXIX General Assembly of the International Union of Radio Science (URSI); Chicago, IL; Abstract GP1-GHE.16; 7-16 August, 2008.
  • Lehtinen, N. G. and U. S. Inan, ELF/VLF Emissions from HAARP, Poster presentation at RF Ionospheric Interactions Workshop; Boulder, CO; 22-25 April 2008.
  • Lehtinen, N. G., Stanford full-wave modeling, Oral presentation at Remediation of Enhanced Radiation Belts Workshop; Lake Arrowhead, CA; 3-6 March 2008; INVITED.
  • Lehtinen, N. G., Theoretical Modeling of HF Heating and ELF Generation, Oral presentation at Remediation of Enhanced Radiation Belts Workshop; Lake Arrowhead, CA; 3-6 March 2008; INVITED.
  • Lehtinen, N. G. and U. S. Inan, Possible Persistent Ionization Caused by Giant Blue Jets, Oral presentation at National Radio Science Meeting; Boulder, CO; January 3-6, 2008; INVITED..
  • Marshall, R. A. and U. S. Inan, Dissociative Attachment as a Possible Cause of Early VLF Perturbations, URSI National Radio Science Meeting, Boulder, CO, January 3-6, 2008, oral presentation GH5-10.
  • Inan U., D. Piddyachiy, T. Bell, M. Parrot (2008), DEMETER Observations of ELF/VLF Signals from HAARP and VLF Transmitters, EGU General Assembly, Vienna, Austria, 13 - 18 April 2008.

2007

  • Cotts, B. R. T., U. S. Inan, Daytime Early VLF Perturbations Exhibiting Long Recoveries and Wide-angle Scattering AGU, Poster, San Francisco, CA, Dec. 10-14, 2007.
  • Cotts, B. R. T., U. S. Inan, Observation of daytime perturbations of VLF transmitter signals ICAE, Oral Presentation, Beijing, China, Aug. 13-17, 2007.
  • Cotts, B. R. T., U. S. Inan, and N. G. Lehtinen, Long Recovery Early/fast Events as Possible Evidence of Persistent Ionization by Giant Blue Jets URSI, Oral Presentation, Ottawa, Canada, July 22-26, 2007.
  • Carlson, B. E., N. G. Lehtinen, and U. S. Inan (2007), Runaway relativistic electron avalanche seeding efficiency, IUGG General Assembly, Perugia, Italy, July 2-13.
  • D. Piddyachiy, U. Inan, T. Bell, M. Parrot (2007), Observations of ELF Signals Over HAARP HF Ionospheric Heater and its Conjugate Region Aboard DEMETER Satellite, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract SM51A-0278.
  • Piddyachiy D., U. S. Inan, M. Parrot (2007), Observations of ELF/VLF signals generated by full power HAARP array aboard DEMETER satellite, RF Ionospheric Interactions Workshop, Santa Fe, NM, USA, 22 - 25 April.
  • Selser, E. M., U. S. Inan (2007), On the Association of Energetic Electron Enhancements in the Drift Loss Cone with Lightning, GEM 2007 Summer Workshop, Zermatt Resort, UT, June 17-22.
  • Golkowski, M.., U. S. Inan, D. Piddyachiy, M. B. Cohen,¬† (2007), Magnetospheric Wave-Particle Interactions Excited by the HAARP HF Heater, Poster presentation at 2007 AGU Fall Meeting; San Francisco, CA; Abstract SM51A-0278; 10-14 December, 2007.
  • Golkowski, M., U. S. Inan, M. B. Cohen (2007), ELF/VLF Magnetopheric Wave Injection Results from the Upgraded Ionospheric Heater; Oral presentation at 2007 URSI North American Radio Science Meeting; Ottawa, Canada; Abstract URSI289; 22-26 July, 2007.
  • Golkowski, M.., U. S. Inan, (2007), Multi-Station Observations of Whistler-Mode Chorus; Oral presentation at 2007 IUGG General Assembly; Perugia, Italy; Abstract ASIII026; 2-13 July, 2007.
  • Cohen, M. B., U. S. Inan, M. Golkowski, N. G. Lehtinen (2007), Geometric Modulation: A new method of ELF/VLF wave generation with continuous HF heating of the auroral electrojet, Poster presentation at 2007 AGU Fall Meeting; San Francisco, CA; Abstract SA11A-0292; 10-14 December, 2007.
  • Cohen, M. B., U. S. Inan, R. K. Said, D. M. Smith (2007), Terrestrial Gamma-ray Flashes and Very Low Frequency Data; Oral presentation at 2007 IUGG General Assembly; Perugia, Italy; Abstract JAS006-237; 2-13 July, 2007.
  • Cohen, M. B., U. S. Inan, M. A. Golkowski (2007), Spatial and temporal analysis of HAARP-radiated ELF/VLF signals across Alaska and the Pacific Rim; Oral presentation at 2007 URSI North American Radio Science Meeting; Ottawa, Canada; Abstract URSI291; 22-26 July, 2007.
  • Lehtinen, N. G. and U. S. Inan, Emission of ELF/VLF Waves by a Modulated Electrojet upwards into the Ionosphere and into the Earth-Ionosphere Waveguide, Poster presentation at AGU Fall Meeting; San Francisco, CA; Abstract SA11A-0297; 10-14 December 2007.
  • Lehtinen, N. G., B. E. Carlson, U. S. Inan and T. F. Bell, Theoretical studies of terrestrial gamma flashes and relativistic runaway electrons, Oral presentation at URSI North American Radio Science Meeting; Ottawa, Ontario, Canada; Abstract URSI297; 22-26 July 2007; INVITED.
  • Lehtinen, N. G. and U. S. Inan, Comparison of non-Maxwellian and Maxwellian models of ionospheric heating by HF radiation, Poster presentation at RF Ionospheric Interactions Workshop; Santa Fe, NM;¬†22 - 25 April 2007.
  • Marshall, R. A., Observations and statistics of small-scale streamer and bead features in sprites, Streamers, sprites, leaders, lightning: from micro- to macroscales, Leiden, The Netherlands, Oct 8-12, 2007, oral presentation.
  • Marshall, R. A. and U. S. Inan, The Association of Very-Low-Frequency Sferic Bursts with Sprites and Intra-cloud Lightning Activity, URSI National Radio Science Meeting, Ottawa, ON, Canada, July 23-26, 2007, oral presentation; FIRST PLACE, STUDENT PAPER COMPETITION.
  • Marshall, R. A., U. S. Inan, and W. A. Lyons, Observations of Burst-like VLF activity in association with sprites and correlations with intracloud lightning activity, XXIV General Assembly of the International Union of Geophysics and Geodesy, Perugia, Italy, July 2-13, 2007, oral presentation JAS006-7.
  • Marshall, R. A., R. T. Newsome, and U. S. Inan, First results from the PIPER imaging photometer instrument at HAARP, RF Ionospheric Interactions Workshop, Santa Fe, NM, April 2007, poster presentation.
  • Inan U., W. Peter, D. Piddyachiy, M. Parrot, J.-A. Sauvaud (2007), Ground- and Satellite-based Measurements of Lightning-induced Electron Precipitation, IUGG XXIV GENERAL ASSEMBLY, Perugia, Italy, 2 - 13 July.
  • U. S. Inan, Cotts, B. R. T., and N. G. Lehtinen, Long Recovery Early/Fast Events as Possible Evidence of Persistent Ionization by Giant Blue Jets IUGG, Oral Presentation (given by U. S. Inan), Perugia, Italy, July 2-13, 2007.
  • Inan U., D. Piddyachiy, W. Peter, M. Parrot, J.-A. Sauvaud (2007), Lightning-Induced Electron Precipitation: DEMETER and Ground-based Observations, EGU General Assembly, Vienna, Austria, 15 - 20 April 2007.

2006

  • Gibby, A. R., U.S Inan (2006), A Year-Long Study of Results from the Siple Experiment--Quantitative Measurements of Triggered Emissions, GEM 2006 Summer Workshop, Snowmass Village, CO, June 25-30.
  • Gibby, A. R., D. L. Carpenter, U. S. Inan, C. F. Jira (2006), Excitation of Single and Multi-hop Whistler Mode VLF Signals with the Siple Station, Antarctica, VLF Transmitter, 2006 National Radio Science Meeting, Boulder, CO, January 4-7.
  • Gibby, A. R. (2006), Solar Wind Plasma and Energy Entry into the Magnetosphere (Reconnection), GEM 2006 Summer Workshop Student Tutorials, Snowmass, CO, June 25-30.
  • Cotts, B. R. T., U. S. Inan (2006), VLF Observation of Long Ionospheric Recovery Events, AGU 2006 Fall Meeting, poster AE51A-0262, San Francisco, CA, December 11-15.
  • Carlson, B., N. Lehtinen, U. Inan (2006), Constraints on Terrestrial Gamma-ray Flash Production Derived From Satellite Observations, AGU 2006 Fall Meeting, poster AE31A-1039, San Francisco, CA, December 11-15.
  • Piddyachiy, D., U. S. Inan, M. Parrot, J. A. Sauvaud (2006), Lightning-induced Electron Precipitation (LEP) Events Observed on DEMETER Satellite, AGU 2006 Fall Meeting, poster SM43B-1489, San Francisco, CA, December 11-15.
  • Selser, E. M., U. S. Inan, and J. B. Blake (2006), Energetic Electron Enhancements in the Drift Loss Cone Caused By Lightning-Induced Precipitation, Global Aspects of Magnetosphere-Ionosphere Coupling Workshop, Yosemite, CA, February 7-10.
  • Selser, E.M. (2006), Introduction to the Magnetosphere, GEM 2006 Summer Workshop Student Tutorials, Snowmass, CO, June 25-30.
  • Platino, M., U. S. Inan, T. F. Bell (2006), A Physical Interpretation of Moving Sources of ELF/VLF Chorus, URSI National Radio Science Meeting, Boulder, January 4-7.
  • Platino, M., U. S. Inan, T. F. Bell (2006), A Physical Interpretation of Moving Sources of ELF/VLF Chorus, Global Aspects of Magnetosphere-Ionosphere Coupling Workshop, Yosemite, CA, February 7-10.
  • Golkowski, M., U. S. Inan, (2006) Measuring HAARP-Induced Electron Precipitation Using Remote Sensing of Subionospheric VLF Signals, Radio Frequency Ionospheric Interactions Workshop, Santa Fe, NM, April 25-28.
  • Golkowski, M., U.S. Inan, W. Peter, M. Cohen (2006), Space Weather Effects of Lightning Discharges and Global Network Opportunities Using VLF Receivers, XIIth IAGA Workshop on Geomagnetic Observatory Instruments, Data, Acquisition and Processing, Belsk Geomagnetic Observatory, Poland, June 19-24.
  • Golkowski, M., U. S. Inan, W. Peter (2006), Subionospheric VLF Observations of Transmitter-Induced Precipitation of Inner Radiation Belt Electrons AGU Fall Meeting, poster SM43B-1496, San Francisco, CA, December 11-15..
  • Cohen, M. B., Inan, U. S, Said, R. K., Smith, D. M. (2006), Broadband and Narrowband VLF Observations in Association with Global Terrestrial Gamma-ray Flash, AGU 2006 Fall Meeting, poster AE31A-1038, San Francisco, CA, December 11-15.
  • Cohen, M. B., Inan, U. S, Smith (2006), Terrestrial Gamma-ray Flashes Observed Aboard CGRO/BATSE and ELF/VLF Radio Atmospherics 2006 National Radio Science Meeting, Boulder, CO, January 4-7.
  • Lehtinen, N. G., U. S. Inan (2006), Ionospheric modification and ELF/VLF wave generation by HAARP, 2006 National Radio Science Meeting, Boulder, CO, January 4-7.
  • Lehtinen, N. G., U. S. Inan (2006), Non-Maxwellian model of ionospheric heating by HF radiation, AGU 2006 Fall Meeting, poster SA53B-1379, San Francisco, CA, December 11-15.
  • Marshall, R. A., U. S. Inan (2006), Observations of burst-like VLF sferic activity in association with sprites, AGU 2006 Fall Meeting, poster AE51A-0263, San Francisco, CA, Dec 11-15.
  • Marshall, R. A., U. S. Inan (2006), Early/Fast VLF Perturbations caused by Scattering from Transient Luminous Events, URSI National Radio Science Meeting, talk H/G3-1, Boulder, CO, January 4-7, INVITED.
  • Marshall, R. A., U. S. Inan (2006), Evidence for direct cloud-to-ionosphere electrical connection through sprite and jet processes, 2006 CEDAR Workshop, poster SPRT-06, Santa Fe, NM, June 19-23.
  • Casey, M. K., U. S. Inan, (2006) Detection of Transmitter-Induced Precipitation of Electronsfrom the RAdiation Belts Using Subionospheric Remote Sensing, Radio Frequency Ionospheric Interactions Workshop, Santa Fe, NM April 25-28.
  • Inan, U., M. Parrot, J.-A. Sauvaud, D. Piddyachiy, T. F. Bell (2006), Active VLF wave-injection experiments with DEMETER, 36th COSPAR Scientific Assembly, Beijing, China, July 16-23.
  • Inan, U., D. Piddyachiy, M. Parrot, J. A. Sauvaud, W. Peter, and R. Marshall (2006), Ground- and satellite based observations of electron precipitation induced by lightning discharges and VLF transmitters, 2nd VERSIM Workshop, Sodankyla Geophysical Observatory, Finland, September 26-30.
  • Peter, W. B., U. S. Inan (2006), Quantitative measurements of lightning-induced electron precipitation using subionospheric VLF remote sensing, AGU 2006 Fall Meeting, San Francisco, December 11-15.
  • Peter, W. B., U. S. Inan (2006), Electron Precipitation and VLF Remote Sensing of Ionospheric Disturbances, GEM 2006 Summer Workshop, Snowmass, Colorado, June 25-30.
  • Peter, W. B., U. S. Inan (2006), Precipitation of Energetic Electrons Induced by Lightning-Generated Whistler Waves, Global Aspects of Magnetosphere-Ionosphere Coupling Workshop, Yosemite, CA, February 7-10.
  • Peter, W. B., U. S. Inan (2006), Quantification of VLF Signatures of LEP Events, URSI National Radio Science Meeting, Boulder, CO, January 4-7.

2005

  • Cotts, B. R. T., U. S. Inan, Ray-based modeling of lightning-induced ects on short range VLF skywave signals AGU, Poster, San Francisco, CA, Dec. 5-9 2005.
  • Cotts, B.R.T., U. S. Inan, and V. Pasko (2005), Short range VLF Sky Wave observations of lightning-induced ionospheric effects, URSI National Radio Science Meeting, Boulder, CO, Jan 5-8.
  • Cotts, B. R. T., U. S. Inan, and V. P. Pasko, Ray Tracing techniques applied to sky wave observations of ects on short range VLF paths URSI, Oral Presentation, Boulder, CO, Jan. 5-8 2005.
  • Selser, E.M., U.S. Inan, J.B. Blake (2005), Drift-Loss Cone Enhancements Cause by Lightning-Induced Precipitation, AGU 2005 Fall Meeting, San Francisco, CA, poster AE23A-0999, Dec. 5-9.
  • Golkowski, M., U. S. Inan, D. L. Carpenter, and T.F. Bell (2005), Statistics of excitation of ducted whistler-mode waves via modulated heating with HAARP, URSI National Radio Science Meeting, Boulder, CO, Jan. 5-8.
  • Cohen, M. B., U. S. Inan, G. Fishman (2005), Terrestrial Gamma-ray Flashes Observed on BATSE/CGRO and ELF/VLF Radio Atmospherics‚Äù, Oral presentation at 2006 URSI US National Radio Science Meeting; Boulder, CO; Abstract H/G3-2; 4-7 January, 2006
  • Cohen, M. B., U. S. Inan, G. Fishman (2005), Terrestrial Gamma-ray Flashes Observed on BATSE/CGRO and ELF/VLF Radio Atmospherics‚Äù, Poster presentation at 2005 AGU Fall Meeting; San Francisco, CA; Abstract AE33A-0944; 5-9 December, 2005
  • Cohen, M. B., P. Scherrer, D. Scherrer, U. S. Inan, R. Mitchell, J. H. Tan (2005); Stanford VLF Remote Sensing -- Science, Engineering, Educational Outreach;¬†seminar to technical staff at Goddard Space Flight Center; 17 March 2005 INVITED
  • Lehtinen, N. G. and U. S. Inan, Conditions for production of terrestrial gamma-ray flashes, Oral presentation at AGU Fall Meeting; San Francisco, CA; Abstract AE13A-05; 5-9 December 2005.
  • Lehtinen, N. G., Theoretical study of ionospheric modification and ELF/VLF wave generation by HAARP, Poster presentation at XXVIIIth General Assembly of International Union of Radio Science (URSI); New Dehli, India; Abstract HG2P.2(0879); October 23-29, 2005.
  • Lehtinen, N. G., Monte Carlo modelling of relativistic runaway electrons and terrestrial gamma-ray flashes, Oral presentation at Seminar on Terrestrial Gamma Ray Flashes and Lightning Associated Phenomena; Berkeley, CA; 15 February 15, 2005.
  • Moore, R. C., U. S. Inan, T. F. Bell, E. J. Kennedy, and P. A. Kossey (2005), ELF/VLF waves generated by modulated heating of the auroral electrojet with the HAARP HF transmitter, URSI National Radio Science Meeting, Boulder, CO, Jan 5-8.
  • Moore, R. C. and U. S. Inan (2005), Blind demodulation of continuous-phase MSK signals in the very low frequency (3-30 kHz) band, URSI National Radio Science Meeting, Boulder, CO, Jan 5-8.
  • Peter, W. B., and U. S. Inan (2005), Occurrence rates of VLF signatures of LEP events measured by the HAIL array, URSI National Radio Science Meeting , Boulder, CO, Jan. 5-8.

2004

  • Cotts, B. R. T., U. S. Inan, Short range VLF sky wave observations of ects AGU, Poster, San Francisco, CA, Dec. 13-17 2004 Outstanding Student Paper Award.
  • Cotts, B. R. T., U. S. Inan (2004), Short range VLF sky wave observations of lightning-induced ionospheric effects, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract SA31A-1116.
  • Platino, M, U. S. Inan, T. F. Bell (2004). Rapidly Moving Sources of Upper-Band ELF/VLF Chorus Near the Magnetic Equator, 8th Cluster Workshop and SOWG/SWT, Univ. of New Hampshire at Durham, NH, USA. Sept 27-Oct 1.
  • Platino, M., U. S. Inan, T. F. Bell, J. Pickett, E. J. Kennedy, J. G. Trotignon, J. L. Rauch, P. Canu (2004), CLUSTER Observations of ELF/VLF Signals Generated by Modulated Heating of the Lower Ionosphere with the HAARP HF Transmitter, RF Interactions Workshop, Santa Fe, NM, April 18-21.
  • Platino, M., U. S Inan, T. F. Bell, D. A Gurnett, J. S. Pickett (2004), Cluster Observations Whistler-mode Propagation Inside and Outside the Plasmasphere, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract SM12A-1195.
  • Golkowski, M., U. S. Inan, D. L. Carpenter, T. F. Bell (2004), ELF/VLF Wave-Injection Experiments and Magnetospheric Probing with the HAARP HF Ionospheric Heater, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract SM22A-03.
  • Spasojevic, M., M. F. Thomsen, P. J. Chi, B. R Sandel (2004), Afternoon Subauroral Proton Precipitation Resulting from Ring Current - Plasmasphere Interaction, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract SM11B-02.
  • Chevalier, M. W., U. S. Inan (2004), Remote Sensing of Relativistic Electron Precipitation Using a VLF Beacon Transmitter at South Pole, GEM Summer Workshop, Snowmass, CO, USA, June 20-25.
  • Chevalier, M. W., U. S. Inan (2004), Remote Sensing of Relativistic Electron Precipitation Using a VLF Beacon Transmitter at South Pole, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract SM41A-1112.
  • Marshall, R. A., U. S. Inan, T. Neubert, A. Hughes, A. Collier, T.H. Allin (2004), Optical observations of conjugate sprites as evidence for geomagnetically trapped relativistic electron beams, URSI National Radio Science Meeting, Boulder, CO, January.
  • Marshall, R. A., U. S. Inan, "High time resolution telescopic imaging of fine structure in sprites", AGU Fall Meeting, San Francisco, CA, December 2004, oral presentation AE51A-09. OUTSTANDING STUDENT PAPER AWARD.
  • Marshall, R. A., U. S. Inan (2004), Sprite Observations from Langmuir Laboratory, New Mexico, NATO Advanced Study Institute on Sprites, Elves, and Intense Lightning Discharges, Corsica, July.
  • Marshall, R. A. U. S. Inan (2004), High Time Resolution Telescopic Imaging of Fine Structure in Sprites, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract AE51A-09.
  • Moore, R. C, U. S. Inan, T. F. Bell (2004), ELF/VLF Waves Generated by an Artificially-Modulated Auroral Electrojet Above the HAARP HF Transmitter, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract SA21C-0377.
  • Peter, W. B., U. S. Inan (2004), Precipitation of bursts of energetic electrons from the slot region driven by lightning-induced whistlers, GEM Summer workshop, Snowmass, Colorado, June 20-25.
  • Peter, W. B., U. S. Inan (2004), The Influence of Geomagnetic Storms on the D-Region at Mid-Latitudes, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract SM23A-0493.
  • Peter, W. B., U. S. Inan (2004), Electron precipitation events driven by lightning in hurricanes, NATO Advanced Study Institute on Sprites, Elves, and Intense Lightning Discharges, Corsica, July.

2003

  • Cotts, B. R. T., U. S. Inan (2003), Precipitation of Energetic Electrons by Magnetospherically Reflecting (MR) Whistlers, AGU 2003 Fall Meeting, poster AE42A-0795, San Francisco, CA, December 8-12.
  • Marshall, R. A., U. S. Inan (2003), Optical observations of sprites in South Africa, AGU 2003 Fall Meeting, poster AE42A-0794, San Francisco, CA, December 8-12.
  • Peter, W. B., U. S. Inan (2003), Characteristics of non-ducted whistler-induced electron precipitation, AGU 2003 Fall Meeting, poster SM42C-0621, San Francisco, CA, December 8-12.
  • Peter, W. B. (2003), Electrodynamics of Magnetosphere-Ionosphere Coupling, GEM 2003 Summer Workshop, Snowmass, Colorado, June 22-27.

2002

  • Peter, W. B., U. S. Inan (2002), A statistical look at the occurrence of lightning induced electron precipitation, GEM 2002 Summer workshop, Telluride, CO, June 24-28.
  • Peter, W. B., U. S. Inan (2002), Nighttime variation in the VLF mode structure of the earth-ionosphere waveguide, 2002 CEDAR workshop, Longmont, CO, June 16-21.