T. F. Bell, J. P. Luette, and U. S. Inan, ISEE 1 observations of VLF line radiation in the Earth's magnetosphere, Journal of Geophysical Research, vol.84, issue.A5, pp.3530-3536, 1982.
DOI : 10.1029/JA087iA05p03530

J. J. Berthelier, ICE, the electric field experiment on DEMETER, ICE, the electric field experiment on DEMETER, pp.456-471, 2006.
DOI : 10.1016/j.pss.2005.10.016

K. Bullough, Power line harmonic radiation: Sources and environmental effects, Handbook of Atmospheric Electrodynamics, pp.291-332, 1995.
DOI : 10.1007/bf00242242

K. Bullough, A. R. Tatnall, and M. Denby, Man-made e.l.f./v.l.f. emissions and the radiation belts, Nature, vol.23, issue.5550, pp.401-403, 1976.
DOI : 10.1038/260401a0

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

A. C. Fraser?smith, A weekend increase in geomagnetic activity, Journal of Geophysical Research, vol.127, issue.A5, pp.2089-2096, 1979.
DOI : 10.1029/JA084iA05p02089

R. A. Helliwell, J. P. Katsufrakis, T. F. Bell, and R. Raghuram, VLF line radiation in the Earth's magnetosphere and its association with power system radiation, Journal of Geophysical Research, vol.89, issue.31, pp.4249-4258, 1975.
DOI : 10.1029/JA080i031p04249

R. A. Helliwell, D. L. Carpenter, and T. R. Miller, Power threshold for growth of coherent VLF signals in the magnetosphere, Journal of Geophysical Research, vol.82, issue.A7, pp.3360-3366, 1980.
DOI : 10.1029/JA085iA07p03360

A. Karinen, K. Mursula, T. Ulich, and J. Manninen, Does the magnetosphere behave differently on weekends?, Annales Geophysicae, vol.20, issue.8, pp.1137-1142, 2002.
DOI : 10.5194/angeo-20-1137-2002

URL : https://hal.archives-ouvertes.fr/hal-00317102

O. A. Molchanov, M. Parrot, M. M. Mogilevsky, and F. Lefeuvre, A theory of PLHR emissions to explain the weekly variation of ELF data observed by a low?altitude satellite, Ann. Geophys, vol.9, pp.669-680, 1991.

F. N?mec, O. Santolík, M. Parrot, and J. J. Berthelier, Power line harmonic radiation (PLHR) observed by the DEMETER spacecraft, Journal of Geophysical Research, vol.45, issue.A2, pp.10-1029, 2006.
DOI : 10.1029/2005JA011480

F. N?mec, O. Santolík, M. Parrot, and J. J. Berthelier, Comparison of magnetospheric line radiation and power line harmonic radiation: A systematic survey using the DEMETER spacecraft, Journal of Geophysical Research: Space Physics, vol.45, issue.1, pp.10-1029, 2007.
DOI : 10.1029/2000RS002523

F. N?mec, O. Santolík, M. Parrot, and J. J. Berthelier, Power line harmonic radiation: A systematic study using DEMETER spacecraft, Advances in Space Research, vol.40, issue.3, pp.398-403, 2007.
DOI : 10.1016/j.asr.2007.01.074

F. N?mec, O. Santolík, M. Parrot, and J. Bortnik, Power line harmonic radiation observed by satellite: Properties and propagation through the ionosphere, Journal of Geophysical Research: Space Physics, vol.45, issue.A7, pp.831710-1029, 2008.
DOI : 10.1029/2007GL030630

F. N?mec, M. Parrot, O. Santolík, C. J. Rodger, M. J. Rycroft et al., Survey of magnetospheric line radiation events observed by the DEMETER spacecraft, Journal of Geophysical Research: Space Physics, vol.105, issue.A1, p.520310, 1029.
DOI : 10.1029/2007GL030630

F. N?mec, O. Santolík, M. Parrot, and C. J. Rodger, Relationship between median intensities of electromagnetic emissions in the VLF range and lightning activity, Journal of Geophysical Research: Space Physics, vol.103, issue.A6, pp.831510-1029, 2010.
DOI : 10.1029/2008JA013776

D. Nunn, J. Manninen, T. Turunen, V. Trakhtengerts, and N. Erokhin, On the nonlinear triggering of VLF emissions by power line harmonic radiation, pp.79-94, 1999.
URL : https://hal.archives-ouvertes.fr/hal-00316495

C. G. Park and T. R. Miller, Sunday decreases in magnetospheric VLF wave activity, Sunday decreases in magnetospheric VLF wave activity, pp.943-950, 1979.
DOI : 10.1029/JA084iA03p00943

M. Parrot, World map of ELF/VLF emissions as observed by a low?orbiting satellite, Ann. Geophys, vol.8, pp.135-145, 1990.

M. Parrot and F. N?mec, MLR events and associated triggered emissions observed by DEMETER, Advances in Space Research, vol.44, issue.9, pp.979-986, 2009.
DOI : 10.1016/j.asr.2009.07.001

M. Parrot, F. Lefeuvre, O. A. Molchanov, and M. M. Mogilevskii, Daily variations of ELF data observed by a low-altitude satellite, Geophysical Research Letters, vol.37, issue.6, pp.1039-1042, 1991.
DOI : 10.1029/91GL01352

M. Parrot, F. N?mec, O. Santolík, and J. J. Berthelier, ELF magnetospheric lines observed by DEMETER, ELF magnetospheric lines observed by DEMETER, pp.3301-3311, 2005.
DOI : 10.5194/angeo-23-3301-2005

URL : https://hal.archives-ouvertes.fr/hal-00330062

M. Parrot, J. Manninen, O. Santolík, F. N?mec, T. Turunen et al., Simultaneous observation on board a satellite and on the ground of large-scale magnetospheric line radiation, Geophysical Research Letters, vol.45, issue.6, pp.1910210-1029, 2007.
DOI : 10.1029/2007GL030630

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

C. J. Rodger, N. R. Thomson, and R. L. Dowden, VLF line radiation observed by satellite, Journal of Geophysical Research, vol.41, issue.A4, pp.5681-5689, 1995.
DOI : 10.1029/94JA02865

C. J. Rodger, M. A. Clilverd, K. Yearby, and A. J. Smith, Temporal properties of magnetospheric line radiation, Journal of Geophysical Research: Space Physics, vol.246, issue.1, pp.329-33610, 2000.
DOI : 10.1029/1999JA900420

C. J. Rodger, M. A. Clilverd, K. Yearby, and A. J. Smith, Is magnetospheric line radiation man-made?, Journal of Geophysical Research: Space Physics, vol.45, issue.2, pp.981-1599010, 2000.
DOI : 10.1029/1999JA000413

URL : http://nora.nerc.ac.uk/502370/1/jgra15004.pdf

H. Rothkaehl and M. Parrot, Electromagnetic emissions detected in the topside ionosphere related to the human activity, Journal of Atmospheric and Solar-Terrestrial Physics, vol.67, issue.8-9, pp.8-9, 2005.
DOI : 10.1016/j.jastp.2005.02.003

A. R. Tatnall, J. P. Matthews, K. Bullough, and T. R. Kaiser, Power line harmonic radiation and the electron slot, Space Sci. Rev, vol.35, pp.139-173, 1983.
DOI : 10.1007/bf00242241

I. Tomizawa and T. Yoshino, Power line radiation observed by the satellite "OHZORA", Journal of geomagnetism and geoelectricity, vol.37, issue.3, pp.309-327, 1985.
DOI : 10.5636/jgg.37.309

V. Y. Trakhtengerts and M. J. Rycroft, Whistler and Alfvén mode cyclotron masers in space, p.354, 2008.
DOI : 10.1017/CBO9780511536519

F. N?mec, O. Santolík, I. /. Ascr, and I. Bo?ní, 14131 Prague 4, Czech Republic. (frantisek.nemec@gmail.com; os@ufa.cas.cz) M, 1401.