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ABSTRACT

Newton et al. 1964

Newton, G., R. Horowitz, and W. Priester, 1964: Atmospheric densities from Explorer 17 density gages and a comparison with satellite drag data. J. Geophys. Res., 69, 4690-4692.

The purpose of this letter is to present the initial atmospheric densities directly measured by the ionization gages on the Explorer 17 satellite. The satellite has been described [Horowitz, 1963] and the gages and their response to the atmosphere have also been reported [Newton et ai., 1963]. The data presented in this letter were obtained with two types of ionization vacuum gages, the hot-filament thermionic type (Bayard-Alpert) and the magnetron type (Redhead). The absolute accuracy of these data is believed to be °35% and the repeatability is °20%. A more complete discussion of the experiment will be included in a paper now in preparation [Newton et ai., 1964].

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