Comparison of results of explorer XXXI direct measurement probes

Intercomparison measurements of the major ionospheric parameters of ion and electron density and temperature and ionic species made by direct measurement probes on the Explorer XXXI satellite are presented. Plasma density results are compared with simultaneous data from the Alouette II satellite. Pr...

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Bibliographic Details
Published in:Proceedings of the IEEE 1969, Vol.57 (6), p.1078-1084
Main Authors: Donley, J.L., Brace, L.H., Findlay, J.A., Hoffman, J.H., Wrenn, G.L.
Format: Article
Language:English
Subjects:
ALOUETTE SATELLITES
Density measurement
ELECTRON DENSITY
Electron traps
ELECTRONS
Electrostatic measurements
ENERGY
EXPLORER SATELLITES
IONOSPHERE
IONOSPHERE/electron density in, satellite measurements of
IONOSPHERE/electron temperature in, satellite measurements of
IONOSPHERE/ion density and temperature in, satellite measurements of
IONS
Mass spectroscopy
N32610 -Physics (Atmospheric)-Auroral & Ionospheric Phenomena
Plasma density
Plasma measurements
Plasma temperature
Probes
SATELLITES
Temperature measurement
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Summary:Intercomparison measurements of the major ionospheric parameters of ion and electron density and temperature and ionic species made by direct measurement probes on the Explorer XXXI satellite are presented. Plasma density results are compared with simultaneous data from the Alouette II satellite. Probe results are from the following experiments: planar ion trap, planar electron trap, cylindrical electrostatic probes, high resolution magnetic ion mass spectrometer, planar Langmuir plate, and spherical ion probe. The plasma densities measured by the various probes generally agree with simultaneous Alouette II sounder values to within 20 percent. Electron temperatures measured by three different types of probes generally agree within 10 percent. Ion composition measurements by the planar ion trap and spherical probe show good agreement with the high resolution magnetic mass spectrometer. Ion temperature measurements from the ion trap are consistently higher than spherical ion probe results.
ISSN:0018-9219
1558-2256
DOI:10.1109/PROC.1969.7158