K. B. Baker and S. Wing, A new magnetic coordinate system for conjugate studies at high latitudes, Journal of Geophysical Research, vol.41, issue.A7, pp.9139-914310, 1989.
DOI : 10.1029/JA094iA07p09139

J. Berthelier, ICE, the electric field experiment on DEMETER, Planetary and Space Science, vol.54, issue.5, pp.456-471, 2006.
DOI : 10.1016/j.pss.2005.10.016

D. Bilitza and B. Reinisch, International Reference Ionosphere 2007: Improvements and new parameters, Advances in Space Research, vol.42, issue.4, pp.599-609, 2008.
DOI : 10.1016/j.asr.2007.07.048

K. G. Budden, The Propagation of Radio Waves, pp.10-1017, 1985.
DOI : 10.1017/CBO9780511564321

H. J. Christian, Global frequency and distribution of lightning as observed from space by the Optical Transient Detector, Journal of Geophysical Research, vol.39, issue.48, pp.10-1029, 2003.
DOI : 10.1029/2002JD002347

K. L. Cummins, M. J. Murphy, E. A. Bardo, W. L. Hiscox, R. B. Pyle et al., A Combined TOA/MDF Technology Upgrade of the U.S. National Lightning Detection Network, Journal of Geophysical Research: Atmospheres, vol.94, issue.D8, pp.9035-904410, 1998.
DOI : 10.1029/98JD00153

T. Cussac, M. A. Clair, P. Ultré?guerard, F. Buisson, G. Lasalle?balier et al., The Demeter microsatellite and ground segment, Planetary and Space Science, vol.54, issue.5, pp.413-427, 2006.
DOI : 10.1016/j.pss.2005.10.013

G. Diendorfer, Euclid technical structure and performance of the European wide lightning location system, paper presented at the Third Brazilian Workshop on Atmospheric Electricity, Braz. Natl. Inst. of Space Res, 2002.

G. R. Ellis, The z propagation hole in the ionosphere, Journal of Atmospheric and Terrestrial Physics, vol.8, issue.1-2, pp.43-5410, 1956.
DOI : 10.1016/0021-9169(56)90090-3

R. E. Ergun, C. W. Carlson, J. P. Mcfadden, R. J. Strangeway, M. V. Goldman et al., Electron phase-space holes and the VLF saucer source region, Geophysical Research Letters, vol.86, issue.19, pp.3805-380810, 1029.
DOI : 10.1029/2001GL013024

C. C. Finlay, International Association of Geomagnetism and Aeronomy, Working Group V?MOD. Participating members, International Geomagnetic Reference Field: The eleventh generation, Geophys, J. Int, vol.183, pp.1216-1230, 2010.

U. S. Inan, VLF heating of the lower ionosphere, Geophysical Research Letters, vol.300, issue.III, pp.729-732, 1990.
DOI : 10.1029/GL017i006p00729
URL : https://hal.archives-ouvertes.fr/hal-00329359

U. S. Inan, D. Piddyachiy, W. B. Peter, J. A. Sauvaud, and M. Parrot, DEMETER satellite observations of lightning-induced electron precipitation, Geophysical Research Letters, vol.103, issue.5, pp.10-1029, 2007.
DOI : 10.1029/2006GL029238

H. G. James, VLF saucers, VLF saucers, pp.501-51410, 1976.
DOI : 10.1029/JA081i004p00501

D. Lagoutte, The DEMETER Science Mission Centre, Planetary and Space Science, vol.54, issue.5, pp.428-440, 2006.
DOI : 10.1016/j.pss.2005.10.014
URL : https://hal.archives-ouvertes.fr/hal-00160351

F. Lefeuvre, R. Marshall, J. L. Pinçon, U. S. Inan, D. Lagoutte et al., On remote sensing of transient luminous events' parent lightning discharges by ELF/VLF wave measurements on board a satellite, Journal of Geophysical Research: Space Physics, vol.106, issue.52, p.930310, 1029.
DOI : 10.1029/JA076i004p00947
URL : https://hal.archives-ouvertes.fr/hal-00416202

N. Lehtinen and U. S. Inan, Radiation of ELF/VLF waves by harmonically varying currents into a stratified ionosphere with application to radiation by a modulated electrojet, Journal of Geophysical Research: Space Physics, vol.29, issue.1, pp.10-1029, 2008.
DOI : 10.1029/93RS01728

N. G. Lehtinen and U. S. Inan, Full?wave modeling of trans? ionospheric propagation of VLF waves, Geophys. Res. Lett, pp.10-1029, 2009.

N. G. Lehtinen, R. A. Marshall, and U. S. Inan, Full-wave modeling of ???early??? VLF perturbations caused by lightning electromagnetic pulses, Journal of Geophysical Research: Space Physics, vol.69, issue.3, pp.10-1029, 2010.
DOI : 10.1029/JZ069i003p00441

F. N?mec, O. Santolik, M. Parrot, and J. J. Berthelier, Spacecraft observations of electromagnetic perturbations connected with seismic activity, Geophysical Research Letters, vol.10, issue.7, pp.10-1029, 2008.
DOI : 10.1029/2007GL032517

M. Parrot, Special issue of Planetary and Space Science ???DEMETER???, Planetary and Space Science, vol.54, issue.5, pp.411-412, 2006.
DOI : 10.1016/j.pss.2005.10.012

M. Parrot, The magnetic field experiment IMSC and its data processing onboard DEMETER: Scientific objectives, description and first results, Planetary and Space Science, vol.54, issue.5, pp.441-455, 2006.
DOI : 10.1016/j.pss.2005.10.015

M. Parrot, J. A. Sauvaud, J. J. Berthelier, and J. P. Lebreton, First in-situ observations of strong ionospheric perturbations generated by a powerful VLF ground-based transmitter, Geophysical Research Letters, vol.43, issue.13, pp.1111110-1029, 2007.
DOI : 10.1029/2007GL029368

M. Parrot, J. J. Berthelier, J. P. Lebreton, R. Treumann, and J. L. Rauch, DEMETER Observations of EM Emissions Related to??Thunderstorms, DEMETER observations of EM emissions related to thunderstorms, pp.511-51910, 2008.
DOI : 10.1007/s11214-008-9347-y
URL : https://hal.archives-ouvertes.fr/hal-00311664

M. Parrot, U. S. Inan, and N. G. Lehtinen, V-shaped VLF streaks recorded on DEMETER above powerful thunderstorms, Journal of Geophysical Research: Space Physics, vol.246, issue.24, pp.10-1029, 2008.
DOI : 10.1098/rsta.1953.0011

R. L. Smith and J. J. Angerami, Magnetospheric properties deduced from OGO 1 observations of ducted and nonducted whistlers, Journal of Geophysical Research, vol.65, issue.1, pp.1-20, 1968.
DOI : 10.1029/JA073i001p00001

L. R. Storey, An Investigation of Whistling Atmospherics, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.246, issue.908, pp.113-141, 1953.
DOI : 10.1098/rsta.1953.0011

J. R. Wait and K. P. Spies, Characteristics of the Earth?ionosphere wave guide for VLF radio waves, technical note, U.S. Natl. Bur. of Stand, 1964.

F. Lefeuvre, M. Parrot, J. N. Pincon, and . Lehtinen, Laboratoire de Physique et de Chimie de l'Environnement et de l