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Aeronomy report no. 73: Analysis of sounding rocket data from Punta Chilca, PeruA technique is described for measuring electron concentrations in the lower portion of the ionosphere above Punta Chilca. A radio-propagation experiment for measuring Faraday rotation is combined with a dc/Langmuir probe experiment for measuring electron current. The results obtained from the analysis of radio and probe data from Nike Apache 14.532, which was launched at 20:26 UT on May 28, 1975, at a solar zenith angle of 60 deg are presented. A comparison of the profiles of electron concentration indicates that the value of the maximum ionization in the D region under quiet conditions is proportional to the square of the cosine of the solar zenith angle.
Document ID
19770008623
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Fillinger, R. W., Jr. (Illinois Univ. Urbana, IL, United States)
Mechtly, E. A. (Illinois Univ. Urbana, IL, United States)
Walton, E. K. (Illinois Univ. Urbana, IL, United States)
Date Acquired
September 3, 2013
Publication Date
July 1, 1976
Publication Information
ISSN: 0568-0581
Subject Category
Geophysics
Report/Patent Number
NASA-CR-149385
UILU-ENG-76-2504
Accession Number
77N15566
Funding Number(s)
CONTRACT_GRANT: NGR-14-005-181
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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