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1985

Carlson, C R, Helliwell RA, Carpenter DL. 1985. Variable frequency VLF signals in the magnetosphere Associated phenomena and plasma diagnostics. Journal of Geophysical Research. 90:1507-1521.

Inan, US, Chang H C, Helliwell RA, Imhof W L, Reagan J B, Walt M. 1985. Precipitation of radiation belt electrons by man-made waves A comparison between theory and measurement. Journal of Geophysical Research. 90:359-369.

Lefeuvre, F, Helliwell RA. 1985. Characterization of the sources of VLF hiss and chorus observed on Geos 1. Journal of Geophysical Research. 90:6419-6438.

Imhof, W L, Gaines E E, Voss H D, Reagan J B, Datlowe D W, Mobilia J, Helliwell RA, Inan US, Katsufrakis J P, Joiner R G. 1985. Results from the SEEP active space plasma experiment - Effects onthe ionosphere. Radio Science. 20:511-518.

Rastani, K, Inan US, Helliwell RA. 1985. DE 1 observations of Siple transmitter signals and associated sidebands. Journal of Geophysical Research. 90:4128-4140.

1986

Helliwell, RA. 1986. SPR: The next two years. EOS. 67(43):810-811.

Sonwalkar, VS. 1986. New Signal Analysis Techniques and Their Applications in Space Physics.

Helliwell, RA, Carpenter DL, Inan US, Katsufrakis J P. 1986. Generation of band-limited VLF noise using the Siple transmitter - A model for magnetospheric hiss. Journal of Geophysical Research. 91:4381-4392.

Hurren, P J, Smith A J, Carpenter DL, Inan US. 1986. Burst precipitation induced perturbations on multiple VLF propagation paths in Antarctica. Annales Geophysicae. 4:311-318.

Helliwell, RA, Inan US, Katsufrakis J P, Carpenter DL. 1986. Beat excitation of whistler mode sidebands using the Siple VLF transmitter. Journal of Geophysical Research. 91:143-153.

1987

Gail, W B. 1987. Gyroresonant Wave-Particle Interactions in a Dynamic Magnetosphere.

Carlson, CR. 1987. Simulation and Modeling of Whistler Mode Wave Growth through Cyclotron Resonance with Energetic Electrons in the Magnetosphere.

1988

Helliwell, RA. 1988. VLF wave-injection experiments from Siple Station, Antarctica. Advances in Space Research. 8:279-289.

Helliwell, RA. 1988. VLF wave-injection experiments from Siple Station, Antarctica. Advances in Space Research. 8:279-289.

Helliwell, RA. 1988. VLF wave-injection experiments from Siple Station, Antarctica. Advances in Space Research. 8:279-289.

Helliwell, RA. 1988. VLF wave-injection experiments from Siple Station, Antarctica. Advances in Space Research. 8:279-289.

Paschal, EW. 1988. Phase Measurements of Very Low Frequency Signals from the Magnetosphere.

Helliwell, RA. 1988. VLF wave stimulation experiments in the magnetosphere from Siple Station, Antarctica. Reviews of Geophysics. 26:551-578.

Sa, L A D, Helliwell RA. 1988. Structure of VLF whistler mode sideband waves in the magnetosphere. Journal of Geophysical Research. 93:1987-1992.

1989

Ngo, HD. 1989. Electrostatic Waves Stimulated by VLF Whistler Mode Waves Scattering from Magnetic-field-aligned Plasma Density Irregularities.

de Sa, LAD. 1989. Spectral Structure and Generation Mechanism of Ducted VLF Whistler Mode Sideband Waves.

1990

Helliwell, RA, Mielke TA, Inan US. 1990. Rapid whistler-mode wave growth resulting from frequency-time curvature. Geophysical Research Letters. 17:599-602.

Gail, W B, Inan US, Helliwell RA, Carpenter DL, Krishnaswamy S. 1990. Characteristics of wave-particle interactions during sudden commencements. I - Ground-based observations. Journal of Geophysical Research. 95:119-137.

Sonwalkar, VS, Helliwell RA, Inan US. 1990. Wideband VLF electromagnetic bursts observed on the DE 1 satellite. Geophysical Research Letters. 17:1861-1864.

Gail, W B, Inan US, Helliwell RA, Carpenter DL. 1990. Gyroresonant wave-particle interactions in a dynamic magnetosphere. Journal of Geophysical Research. 95:15103-15112.