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An improved model of the lightning electromagnetic field interaction with the D-region ionosphere. Journal of Geophysical Research. 117. 2012.
Elves and associated electron density changes due to cloud-to-ground and in-cloud lightning discharges. Journal of Geophysical Research (Space Physics). 115. 2010.
Full-wave modeling of “early” VLF perturbations caused by lightning electromagnetic pulses. Journal of Geophysical Research. 115. 2010.
Optical signatures of radiation belt electron precipitation induced by ground-based VLF transmitters. Journal of Geophysical Research. 115(A8). 2010.
A survey of ELF and VLF research on lightning-ionosphere interactions and causative discharges. Journal of Geophysical Research. 115. 2010.
Two-dimensional frequency domain modeling of lightning EMP-induced perturbations to VLF transmitter signals. Journal of Geophysical Research. 115. 2010.
Early VLF perturbations caused by lightning EMP-driven dissociative attachment. Geophysical Research Letters. 35:21807.. 2008.
Fast Photometric Imaging Using Orthogonal Linear Arrays. IEEE Transactions on Geoscience and Remote Sensing. 46:3885-3893.. 2008.
Observations of artificial and natural optical emissions at the HAARP facility. Annales Geophysicae. 26:1089-1099.. 2008.
Very low frequency sferic bursts, sprites, and their association with lightning activity. Journal of Geophysical Research (Atmospheres). 112:22105.. 2007.
Possible direct cloud-to-ionosphere current evidenced by sprite-initiated secondary TLEs. Geophysical Research Letters. 34:5806.. 2007.
Early VLF perturbations observed in association with elves. Annales Geophysicae. 24:2179-2189.. 2006.
High-speed measurements of small-scale features in sprites: Sizesand lifetimes. Radio Science. 41:6.. 2006.
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.
``Early/slow'' events: A new category of VLF perturbations observed in relation with sprites. Journal of Geophysical Research (Space Physics). 111:11321.. 2006.
Subionospheric VLF signatures and their association with sprites observed during EuroSprite-2003. Journal of Atmospheric and Solar-Terrestrial Physics. 67:1580-1597.. 2005.
Co-ordinated observations of transient luminous events during theEuroSprite2003 campaign. Journal of Atmospheric and Solar-Terrestrial Physics. 67:807-820.. 2005.
High-speed telescopic imaging of sprites. Geophysical Research Letters. 32:5804.. 2005.
Artificial optical emissions at HAARP for pump frequencies near the third and second electron gyro-harmonic. Annales Geophysicae. 23:1585-1592.. 2005.
Optical observations geomagnetically conjugate to sprite-producing lightning discharges. Annales Geophysicae. 23:2231-2237.. 2005.
Subionospheric early VLF signal perturbations observed in one-to-one association with sprites. Journal of Geophysical Research (Space Physics). 109:10303.. 2004.