Results 121 to 130 of about 5,624 (239)

Ionospheric nf sub H resonances: Frequency shifts versus plasma conditions [PDF]

open access: yes
The Alouette 2 resonances observed near the harmonics of the electron cyclotron frequency f sub H reveal frequency shifts (relative to the n(f sub H) values derived from model field calculations) which can be interpreted in terms of plasma wave ...
Benson, R. F.
core   +1 more source

Direct measurements of helium and hydrogen ion concentration and total ion density to an altitude of 940 kilometers [PDF]

open access: yes
Measurement of ion concentration and total ion density in exosphere using mass spectrometer and electrostatic ...
Brace, L. H.   +3 more
core   +1 more source

Ordinary mode auroral kilometric radiation, with harmonics, observed by ISIS 1 [PDF]

open access: yes
Topside-sounder receiver observations by ISIS 1 that reveal examples of o-mode auroral kilometric radiation (AKR) are presented. They correspond to locations outside of the low density source region of intense AKR x-mode emission.
Benson, R. F.
core   +1 more source

The extreme depletion of ionospheric electron density and its hemispheric asymmetry during the May 2024 storm. [PDF]

open access: yesNatl Sci Rev
Chen Y   +13 more
europepmc   +1 more source

First Cases of Dengue Fever Confirmed in the National Hospitals of Zinder and Niamey. [PDF]

open access: yesCase Rep Infect Dis
Mahamadou D   +11 more
europepmc   +1 more source

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