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At least 487 records · Page 27

All sources NASA NTRS DOE OSTI

NASA NTRS1962

Landau Damping of Transverse Waves in the Exosphere by Fast Particle Fluxes

We have investigated the Landau damping of transverse waves propagating in the thermal exospheric plasma, by fast particle fluxes which also exist in these regions. The most intense non-thermal fluxes so far detected are those of the auroral producing electrons and protons measured by McIlwain. We find that these fluxes may considerably damp the propagation of whistler modes through some regions. The damping of hydromagnetic waves in the exosphere by this mechanism is negligible.

LANDAU DAMPING↗

NASA NTRS1965

Radiation from electrons in magnetoplasma.

Magnetoplasma electron emission in whistler mode frequency band and extraordinary mode frequency band around plasma frequency where refractive indices are greater than one

MAGNETOPLASMA↗

NASA NTRS1965

The earth's magnetic field.

Earth magnetic field including mathematical descriptions, origin, daily magnetic variations, polar and auroral disturbances, magnetic storms, activity indices and whistlers

MAGNETIC VARIATION↗

NASA NTRS1966

Advances in ionospheric physics in the rocket and satellite era.

Cosmic radio wave, whistler and transmitted radio wave interactions with ionospheric magnetoplasma in collision-dominated, photoequilibrium and photoionization-dominated regions

PLASMA-ELECTROMAGNETIC INTERACTION↗

NASA NTRS1967

Developments in upper atmospheric science during the IQSY

Vertical structure and temperature fluctuations in upper atmosphere, anomalies in ionosphere, and whistler identification

Johnson, F. S.↗

NASA NTRS1969

Characteristics of the solar wind near the orbit of Jupiter.

Electron plasma oscillations and electron whistler of solar wind near Jupiter orbit

Scarf, F. L.↗

NASA NTRS1969

Magnetic emissions in the magnetosheath at frequencies near 100 Hz.

Noise signals in earth magnetosheath interpreted as electromagnetic waves propagating in whistler mode

Holzer, R. E.↗

NASA NTRS1969

Ion depletion in the high-latitude exosphere - Simultaneous OGO 2 observations of the light ion trough and the VLF cutoff.

Ion depletion in high latitude exosphere, considering OGO 2 simultaneous observations of positive ion concentration, VLF signal propagation and whistlers

Bonner, F. M.↗

NASA NTRS1969

Instability phenomena of the magnetosphere.

Magnetospheric instabilities and whistler mode turbulence relationship to loss of high energy electrons from Van Allen belts

Kennel, C. F.↗

NASA NTRS1970

Discrepancies in the observed plasma-trough density

Comparison of observation data by whistlers and mass spectrometers of plasmapause

Maier, E. J. R.↗

NASA NTRS1968

The magnetospheric plasmapause and the electron density trough at the Alouette 1 orbit

Location of magnetospheric plasmapause and electron density trough at polar orbit of Alouette 1 satellite derived from whistler data and ionograms

Rycroft, M. J.↗

NASA NTRS1969

An investigation of nonlinear interaction phenomena in the ionosphere Final report, 1 Jun. 1964 - 1 Oct. 1969

Nonlinear interactions in ionosphere including whistlers, electromagnetic and thermal radiation theories, noise and wave propagation, and electron beam focusing

Hu, R.↗

NASA NTRS1969

VLF measurements of the Poynting flux along the geomagnetic field with the Injun 5 satellite

Poynting flux direction for proton whistlers determined from Injun 5 observations, obtaining data on source region and propagation in ionosphere

Gurnett, D. A.↗

NASA NTRS1971

An experimental study of very-low-frequency mode coupling and polarization reversal

Electron and proton whistlers polarization reversal and mode coupling, explaining magnetic latitude dependence

Gurnett, D. A.↗

NASA NTRS1971

Study of magnetospheric field oriented irregularities - The mode theory of bell- shaped ducts

Whistler wave propagation along bell shaped ducts of enhanced ionization in magnetosphere

Scarabucci, R. R.↗

NASA NTRS1970

Satellite measurements of the cold plasma in the magnetosphere

Satellite measurements of cold plasma density and plasmapause in magnetosphere, comparing Whistler, Langmuir probe and ion trap data

Bauer, S. J.↗

NASA NTRS1971

Position of the plasmapause during a stormtime increase in trapped energetic /E greater than 280 keV/ electrons

Plasmapause position during stormtime increase in trapped energetic electrons, measuring near prime geomagnetic meridian by whistler techniques

Arens, J. F.↗

NASA NTRS1971

Conditions for magnetic interaction of asteroids with the solar wind

Asteroid magnetospheres effects on magnetic moments and whistler mode noise propagation in solar wind

Greenstadt, E. W.↗