Abstract
A system based on the forward scattering of low energy beta particles has been incorporated into a parachute borne sonde. Density data obtained through use of this system are presented and compared with density values obtained at essentially the same time by by a standard method which utilizes measured temperature and pressure values. By taking into account possible differences in the determinative altitudes of the two systems, the two methods yield similar results in the 30–35 km region; however the beta-ray derived densities are considerably higher by about 40–50% in the 45–60 km region. Although several possible explanations for this difference are considered, it is pointed out that the exact reason is not presently known. Further flights are anticipated.
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