Abstract
The paper describes a method for determining the height of the F2 peak and of neutral wind velocities in the tropical nighttime ionosphere from measurements of ionospheric plasma parameters. The ratio of the O I 6300-A column density, observed above the AE-C satellite, to its volume emission rate, at the satellite, was shown to be dependent on the satellite height, the exospheric temperature, and the height of the F2 peak. The analysis of simultaneous nighttime measurements of the electron density, the O2(plus) density, and the 6300-A vertical column intensity has led to the values of the height of the F2 peak. The sum of the neutral wind velocities in the magnetic meridian at magnetically conjugate points has been inferred from the height difference in the F2 peak at the conjugate points.
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