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On the altitude of the ELF/VLF source region generated during “beat-wave” HF heating experiments. Geophysical Research Letters. 39(18). 2012.
Off-equatorial chorus occurrence and wave amplitude distributions as observed by the Polar Plasma Wave Instrument. Journal of Geophysical Research. 117. 2012.
On the latitudinal extent of chorus emissions as observed by the Polar Plasma Wave Instrument. Journal of Geophysical Research. 116(A4). 2011.
On the occurrence of ground observations of ELF/VLF magnetospheric amplification induced by the HAARP facility. Journal of Geophysical Research. 116(A4). 2011.
Optical signatures of lightning-induced electron precipitation. Journal of Geophysical Research. 116(A8). 2011.
Observations of Terrestrial Gamma-Ray Flash Electrons. American Institute of Physics Conference Series. 1118:84-91.. 2010.
On the generation of ELF/VLF waves for long-distance propagation via steerable HF heating of the lower ionosphere. Journal of Geophysical Research. 115(A7). 2010.
Optical signatures of radiation belt electron precipitation induced by ground-based VLF transmitters. Journal of Geophysical Research. 115(A8). 2010.
On remote sensing of transient luminous events' parent lightning discharges by ELF/VLF wave measurements on board a satellite. Journal of Geophysical Research. 114. 2009.
Observations of artificial and natural optical emissions at the HAARP facility. Annales Geophysicae. 26:1089-1099.. 2008.
Orientation of the HAARP ELF ionospheric dipole and the auroral electrojet. Geophysical Research Letters. 35:2806.. 2008.
On the association of early/fast very low frequency perturbationswith sprites and rare examples of VLF backscatter. Journal of Geophysical Research (Atmospheres). 111:19108.. 2006.
Observations of amplitude saturation in ELF/VLF wave generation by modulated HF heating of the auroral electrojet. Geophysical Research Letters. 33:12106.. 2006.
Observations of the relationship between sprite morphology and in-cloud lightning processes. Journal of Geophysical Research (Atmospheres). 111:15203.. 2006.
Optical observations geomagnetically conjugate to sprite-producing lightning discharges. Annales Geophysicae. 23:2231-2237.. 2005.
On the occurrence and spatial extent of electron precipitation induced by oblique nonducted whistler waves. Journal of Geophysical Research (Space Physics). 109:12215.. 2004.
Observations of decameter-scale morphologies in sprites. Journal of Atmospheric and Solar-Terrestrial Physics. 65:567-572.. 2003.
Observations of magnetospheric plasmas by the radio plasma imager (RPI) on the image mission. Advances in Space Research. 30:2259-2266.. 2002.
Observations of relativistic electron microbursts in association with VLF chorus. Journal of Geophysical Research. 106:6017-6028.. 2001.
On the accuracy of arrival azimuth determination of sprite-associated lightning flashes by Earth-ionosphere cavity resonances. Geophysical Research Letters. 23:3691-3694.. 1996.
On the association of terrestrial gamma-ray bursts with lightningand implications for sprites. Geophysical Research Letters. 23:1017-1020.. 1996.
Optical signatures of lightning-induced heating of the D region. Geophysical Research Letters. 19:1815-1818.. 1992.
On the spatial relationship between lightning discharges and propagation paths of perturbed subionospheric VLF/LF signals. Journal of Geophysical Research. 96:249-258.. 1991.
Observations and modeling of wave-induced microburst electron precipitation. Journal of Geophysical Research. 95:6467-6475.. 1990.