Active ionospheric experiments using high-power, high-frequency transmitters,“heaters”, to
study plasma processes in the ionosphere and magnetosphere continue to provide new …

We present experimental results concentrating on a variety of phenomena in the high
latitude ionosphere F2 layer induced by an extraordinary (X-mode) HF pump wave at high …

Modeling electromagnetic wave propagation in the upper atmosphere is important for space
weather effects, satellite communications ionospheric modification experiments, and many …

High‐power ordinary mode radio waves produce artificial ionization in the F region
ionosphere at the European Incoherent Scatter (Tromsø, Norway) and High Frequency …

The distinctive features of the ion gyro‐harmonic discrete structures in the narrowband
stimulated electromagnetic emission (NSEE) spectra (within±1 kHz of the heater frequency) …

Investigation of stimulated radiation, commonly known as stimulated electromagnetic
emissions (SEE), produced by the interaction of high-power, high-frequency HF radiowaves …

Stimulated Electromagnetic Emissions (SEEs), secondary electromagnetic waves excited by
high power electromagnetic waves transmitted into the ionosphere, produced by the …

Observations of secondary radiation, stimulated electromagnetic emission (SEE), produced
during ionospheric modification experiments using ground-based, high-power, high …

Stimulated electromagnetic emissions (SEEs) are secondary radiation produced during
active space experiments in which the ionosphere is actively heated with high power high …

We provide the first experimental evidence of the sensitivity of phenomena induced by
extraordinary (X-mode) polarized HF high power radio waves to pump frequency stepping …