Results 191 to 200 of about 127,101 (245)

Discovery of H 3 + and infrared aurorae at Neptune with JWST. [PDF]

Nat Astron
Melin H, Moore L, Fletcher LN, Hammel HB, O'Donoghue J, Stallard TS, Milam SN, Roman M, King ORT, Rowe-Gurney N, Thomas EE, Wang R, Tiranti PI, Harkett J, Knowles KL.   +14 more
europepmc   +1 more source

Algorithms and Resources for the Monitoring of Very-Low-Frequency Signal Deviations Due to Solar Activity Using a Web-Based Software-Defined Radio-Distributed Network. [PDF]

Sensors (Basel)
Iliev I, Tudjarov K, Nachev I, Petkov PZ, Velchev Y, Ilieva A.   +5 more
europepmc   +1 more source

Towards an Accurate Real-Time Digital Elevation Model Using Various GNSS Techniques. [PDF]

Sensors (Basel)
Abdelazeem M, Abazeed A, Kamal HA, Mohamed MOA.   +3 more
europepmc   +1 more source

Simultaneous Infrared Observations of the Jovian Auroral Ionosphere and Thermosphere. [PDF]

J Geophys Res Space Phys
Wang R, Stallard TS, Melin H, Baines KH, Moore L, O'Donoghue J, Johnson RE, Thomas EM, Knowles KL, Tiranti PI, Miller S.   +10 more
europepmc   +1 more source

Tilts in the Ionosphere [PDF]

Nature, 1949
EXPERIENCE with high-frequency radio direction finding has suggested that some of the deviations from great-circle bearings observed on signals propagated by way of the ionosphere may be attributed to a tilting or wrinkling of the reflecting layer, particularly in the case of the F-layer.
E. N. Eramley, W. Ross
openaire   +2 more sources

Ionosphere and Weather [PDF]

Nature, 1950
FOR some ten years, at the Zi Ka Wei Observatory, in Shanghai, China, we have been using, with exceptional success, a new technique in our weather forecasting. This method is based on an as yet unexplained correlation between the usual ionosphere echoes (E, F and F 2) and the future movement or behaviour of the three main air masses, which make the ...
openaire   +2 more sources

The Ionosphere as a Plasma [PDF]

, 1973
A plasma represents a collection of charged particles (electrons and ions) which interact by long range (Coulomb) forces, exhibiting a coherent behavior as the result of space charge effects [cf. 156].
Helmut Lammer, Siegfried J. Bauer
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Ionospheric Analysis and Ionospheric Modeling

1975
Abstract : A global ionospheric model of the ionosphere was developed which allows for the incorporation of hourly observations of ionospheric parameters. A polar ionospheric model for foF2 was developed which contains corrections to a median model which are characteristic of the polar region.
David C. Miller, Joseph Gibbs
openaire   +2 more sources

Ionospheric Feedback Instability in the Coupling of Magnetosphere-Ionosphere [PDF]

Chinese Physics Letters, 2003
The ionospheric feedback instability is discussed by using the conductivity argument. We give an exact quantitative description to show that the free energy for this instability comes from the reduction of the Joule dissipation produced by the pre-existing convection electric field through self-consistent changes in ionization and conductivity due to ...
Cao Jinbin, Wang Xu-Yu, Wang Xu-Yu
openaire   +1 more source

Validation of Ionospheric Models [PDF]

, 1998
Abstract : During the period of April 2000 through March 2001, research efforts have continued in the Validation of Ionospheric Models. These efforts included testing and utilizing the Ionospheric Forecast Model (IFM) and the Coupled ionosphere Thermosphere Electrodynamic Forecast Model (CITEFM) to define low latitude ionospheric characteristics. Other
Neil J. Grossbard, Patricia H. Doherty, Dwight T. Decker   +2 more
openaire   +1 more source