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Journal Article

Sonwalkar, VS, Inan US, Bell TF, Helliwell RA, Molchanov O A, Green JL. 1994. DE 1 VLF observations during Activny wave injection experiments. Journal of Geophysical Research. 99:6173-6189.

Bell, TF, Inan US, Lauben D S, Sonwalkar VS, Helliwell RA, Sobolev Y P, Chmyrev V M, Gonzalez S. 1994. DE-1 and COSMOS 1809 observations of lower hybrid waves excited by VLF whistler mode waves. Geophysical Research Letters. 21:653-656.

Bell, TF, Inan US, Sonwalkar VS, Helliwell RA. 1991. DE-1 observations of lower hybrid waves excited by VLF whistler mode waves. Geophysical Research Letters. 18:393-396.

Inan, US, Helliwell RA. 1982. DE-1 observations of VLF transmitter signals and wave-particle interactions in the magnetosphere. Geophysical Research Letters. 9:917-920.

Piddyachiy, D, Inan US, Bell TF, Lehtinen NG, Parrot M. 2008. DEMETER observations of an intense upgoing column of ELF/VLF radiation excited by the HAARP HF heater. Journal of Geophysical Research (Space Physics). 113:10308.

Platino, M, Inan US, Bell TF, Parrot M, Kennedy E J. 2006. DEMETER observations of ELF waves injected with the HAARP HF transmitter. Geophysical Research Letters. 33:16101.

Graf, KL, Inan US, Piddyachiy D, Kulkarni P, Parrot M, Sauvaud JA. 2009. DEMETER observations of transmitter-induced precipitation of inner radiation belt electrons. Journal of Geophysical Research (Space Physics). 114:7205.

Inan, US, Piddyachiy D, Peter WB, Sauvaud J A, Parrot M. 2007. DEMETER satellite observations of lightning-induced electron precipitation. Geophysical Research Letters. 34:7103.

Clilverd, M A, Nunn D, Lev-Tov S J, Inan US, Dowden R L, Rodger C J, Smith A J. 2002. Determining the size of lightning-induced electron precipitation patches. Journal of Geophysical Research (Space Physics). 107:1168.

Sonwalkar, VS, Carpenter DL, Bell TF, Spasojevic M, Inan US, Li J, Chen X, Venkatasubramanian A, Harikumar J, Benson R F et al.. 2004. Diagnostics of magnetospheric electron density and irregularitiesat altitudes <5000 km using whistler and Z mode echoes from radio sounding on the IMAGE satellite. Journal of Geophysical Research (Space Physics). 109:11212.

Sonwalkar, VS, Bell TF, Helliwell RA, Inan US. 1984. Direct multiple path magnetospheric propagation - A fundamental property of nonducted VLF waves. Journal of Geophysical Research. 89:2823-2830.

Imhof, W L, Reagan J B, Voss H D, Gaines E E, Datlowe D W, Mobilia J, Helliwell RA, Inan US, Katsufrakis J P, Joiner R G. 1983. Direct observation of radiation belt electrons precipitated by the controlled injection of VLF signals from a ground-based transmitter. Geophysical Research Letters. 10:361-364.

Scherrer, D, Cohen MB, Hoeksema T, Inan US, Mitchell R, Scherrer P. 2008. Distributing space weather monitoring instruments and educational materials worldwide for IHY 2007: The AWESOME and SID project. Advances in Space Research. 42:1777-1785.

Golden, DI, Spasojevic M, Inan US. 2009. Diurnal dependence of ELF/VLF hiss and its relation to chorus at L = 2.4. Journal of Geophysical Research (Space Physics). 114:5212.

Leyser, T B, Inan US, Carpenter DL, Trimpi M L. 1984. Diurnal variation of burst precipitation effects on subionospheric VLF /LF signal propagation near L = 2. Journal of Geophysical Research. 89:9139-9143.

Spasojevic, M, Inan US. 2010. Drivers of chorus in the outer dayside magnetosphere. Journal of Geophysical Research (Space Physics). 115

Marshall, RA, Inan US, Chevalier TW. 2008. Early VLF perturbations caused by lightning EMP-driven dissociative attachment. Geophysical Research Letters. 35:21807.

Moore, RC, Barrington-Leigh CP, Inan US, Bell TF. 2003. Early/fast VLF events produced by electron density changes associated with sprite halos. Journal of Geophysical Research (Space Physics). 108:1363.

Streltsov, AV, Golkowski MA, Inan US, Papadopoulos KD. 2009. Effect of frequency modulation on whistler mode waves in the magnetosphere. Journal of Geophysical Research (Space Physics). 114:8214.

Bell, TF, Inan US, Piddyachiy D, Kulkarni P, Parrot M. 2008. Effects of plasma density irregularities on the pitch angle scattering of radiation belt electrons by signals from ground based VLF transmitters. Geophysical Research Letters. 35:19103.

Lehtinen, NG, Inan US, Bell TF. 2001. Effects of thunderstorm-driven runaway electrons in the conjugatehemisphere: Purple sprites, ionization enhancements, and gamma rays. Journal of Geophysical Research. 106:28841-28856.

Pasko, V P, Stanley M A, Mathews J D, Inan US, Wood T G. 2002. Electrical discharge from a thundercloud top to the lower ionosphere. Nature. 416:152-154.

Rodriguez, JV, Inan US. 1994. Electron density changes in the nighttime D region due to heating by very-low-frequency transmitters. Geophysical Research Letters. 21:93-96.

Peter, WB, Inan US. 2005. Electron precipitation events driven by lightning in hurricanes. Journal of Geophysical Research (Space Physics). 110:5305.

Inan, US, Chang H C, Helliwell RA. 1984. Electron precipitation zones around major ground-based VLF signalsources. Journal of Geophysical Research. 89:2891-2906.