Biblio
Filters: Author is Robert A. Helliwell [Clear All Filters]
Triggering of whistler mode emissions by the band-limited impulse(BLI) associated with amplified Vlf signals from Siple Station, Antarctica. Geophysical Research Letters. 27:1455.
.
2000.
Simultaneous triggered VLF emissions and energetic electron distributions observed on POLAR with PWI and HYDRA. Geophysical Research Letters. 27:165-168.
.
2000.
Probing properties of the magnetospheric hot plasma distribution by whistler mode wave injection at multiple frequencies: Evidence of spatial as well as temporal wave growth. Journal of Geophysical Research. 102:14355-14362.
.
1997.
Properties of the magnetospheric hot plasma distribution deduced from whistler mode wave injection at 2400 Hz: Ground-based detection of azimuthal structure in magnetospheric hot plasmas. Journal of Geophysical Research. 102:14363-14380.
.
1997.
Whistlers, Discovery of the Magnetosphere. History of Geophysics. 7:83-94.
.
1997.
Whistler mode wave intensities in the radiation belts. American Institute of Physics Conference Series. 383:61-64.
.
1996.
The role of the Gendrin mode of VLF propagation in the generation of magnetospheric emissions. Geophysical Research Letters. 22:2095-2098.
.
1995.
Simultaneous observations of VLF ground transmitter signals on the DE 1 and COSMOS 1809 satellites: Detection of a magnetospheric caustic and a duct. Journal of Geophysical Research. 99:17511-17522.
.
1994.
DE 1 VLF observations during Activny wave injection experiments. Journal of Geophysical Research. 99:6173-6189.
.
1994.
DE-1 and COSMOS 1809 observations of lower hybrid waves excited by VLF whistler mode waves. Geophysical Research Letters. 21:653-656.
.
1994.
The heating of suprathermal ions above thunderstorm cells. Geophysical Research Letters. 20:1991-1994.
.
1993.
Siple Station, Antarctica, experiments on staircase frequency ramps as approximations to continuous ramps. Journal of Geophysical Research. 98:4053-4061.
.
1993.
A search for ELF/VLF emissions induced by earthquakes as observed in the ionosphere by the DE 2 satellite. Journal of Geophysical Research. 98:9503-9514.
.
1993.
An experiment on the threshold effect in the coherent wave instability. Geophysical Research Letters. 19:2075-2078.
.
1992.
Excitation of whistler mode signals via injection of polarized VLF waves with the Siple transmitter. Radio Science. 27:31-46.
.
1992.
DE-1 observations of lower hybrid waves excited by VLF whistler mode waves. Geophysical Research Letters. 18:393-396.
.
1991.
Lower hybrid waves excited through linear mode coupling and the heating of ions in the auroral and subauroral magnetosphere. Journal of Geophysical Research. 96:11379.
.
1991.
Gyroresonant wave-particle interactions in a dynamic magnetosphere. Journal of Geophysical Research. 95:15103-15112.
.
1990.
Space-time evolution of whistler mode wavegrowth in the magnetosphere. Journal of Geophysical Research. 95:15073-15089.
.
1990.
Wideband VLF electromagnetic bursts observed on the DE 1 satellite. Geophysical Research Letters. 17:1861-1864.
.
1990.
Characteristics of wave-particle interactions during sudden commencements. I - Ground-based observations. Journal of Geophysical Research. 95:119-137.
.
1990.
Rapid whistler-mode wave growth resulting from frequency-time curvature. Geophysical Research Letters. 17:599-602.
.
1990.