Analysis of experimentally validated trans-ionospheric attenuation estimates of VLF signals von Graf, K. L., Lehtinen, N. G., Spasojevic, M., Cohen, M. B., Marshall, R. A., Inan, U. S.

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Models of ionospheric VLF absorption of powerful ground based transmitters von Cohen, M. B., Lehtinen, N. G., Inan, U. S.

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Terrestrial gamma ray flash production by active lightning leader channels von Carlson, B. E., Lehtinen, N. G., Inan, U. S.

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Diagnostics of an artificial relativistic electron beam interacting with the atmosphere von Marshall, R. A., Nicolls, M., Sanchez, E., Lehtinen, N. G., Neilson, J.

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Neutron production in terrestrial gamma ray flashes von Carlson, B. E., Lehtinen, N. G., Inan, U. S.

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ELF/VLF wave generation from the beating of two HF ionospheric heating sources von Cohen, M. B., Moore, R. C., Golkowski, M., Lehtinen, N. G.

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Constraints on terrestrial gamma ray flash production from satellite observation von Carlson, B. E., Lehtinen, N. G., Inan, U. S.

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HF beam parameters in ELF/VLF wave generation via modulated heating of the ionosphere von Cohen, M. B., Golkowski, M., Lehtinen, N. G., Inan, U. S., McCarrick, M. J.

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On the generation of ELF/VLF waves for long-distance propagation via steerable HF heating of the lower ionosphere von Cohen, M. B., Inan, U. S., Gołkowski, M., Lehtinen, N. G.

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Penetration of lightning MF signals to the upper ionosphere over VLF ground-based transmitters von Parrot, M., Inan, U. S., Lehtinen, N. G., Pinçon, J. L.

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Relativistic electrons from sparks in the laboratory von Østgaard, N., Carlson, B. E., Nisi, R. S., Gjesteland, T., Grøndahl, Ø., Skeltved, A., Lehtinen, N. G., Mezentsev, A., Marisaldi, M., Kochkin, P.

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Terrestrial gamma ray flash production by lightning current pulses von Carlson, B. E., Lehtinen, N. G., Inan, U. S.

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Optical signatures of radiation belt electron precipitation induced by ground-based VLF transmitters von Marshall, R. A., Newsome, R. T., Lehtinen, N. G., Lavassar, N., Inan, U. S.

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Role of the plasmapause in dictating the ground accessibility of ELF/VLF chorus von Golden, D. I., Spasojevic, M., Foust, F. R., Lehtinen, N. G., Meredith, N. P., Inan, U. S.

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Production of terrestrial gamma-ray flashes by an electromagnetic pulse from a lightning return stroke von Inan, U. S., Lehtinen, N. G.

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Physics and Mathematics of Electric Streamers von Lehtinen, N. G.

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Runaway relativistic electron avalanche seeding in the Earth's atmosphere von Carlson, B. E., Lehtinen, N. G., Inan, U. S.

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Quasi-electrostatic whistler mode wave excitation by linear scattering of EM whistler mode waves from magnetic field-aligned density irregularities von Foust, F. R., Inan, U. S., Bell, T., Lehtinen, N. G.

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Radiation of ELF/VLF waves by harmonically varying currents into a stratified ionosphere with application to radiation by a modulated electrojet von Lehtinen, N. G., Inan, U. S.

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Magnetospheric injection of ELF/VLF waves with modulated or steered HF heating of the lower ionosphere von Cohen, M. B., Inan, U. S., Piddyachiy, D., Lehtinen, N. G., Gołkowski, M.

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