Calculated and Measured HF/VHF Absorption for the 2-5 November 1969 Solar Proton Event PDF Download
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Author: William Swider
Publisher:
ISBN:
Category : D region
Languages : en
Pages : 24
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Book Description
Electromagnetic wave absorption was measured at several frequencies as a function of altitude for six rocket flights during the 2 to 5 November 1969 Solar Proton Event (SPE). Meaningful data were obtained at 36 MHz, 18 Mhz, and 9 MHz for four of these flights. These data and 30 MHz riometer data are shown to be in excellent accord with the calculated absorption. The agreement provides further support for the accuracy claimed for the electron concentrations that were measured simultaneously by means of dispersive phase techniques. It is stressed that uncertainties in the pressure are probably the largest error source. The electromagnetic wave absorption apparently was uneffected by the SPE-disturbed D-region except for the enhanced electron concentration. (Author)
Author: William Swider
Publisher:
ISBN:
Category : D region
Languages : en
Pages : 24
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Book Description
Electromagnetic wave absorption was measured at several frequencies as a function of altitude for six rocket flights during the 2 to 5 November 1969 Solar Proton Event (SPE). Meaningful data were obtained at 36 MHz, 18 Mhz, and 9 MHz for four of these flights. These data and 30 MHz riometer data are shown to be in excellent accord with the calculated absorption. The agreement provides further support for the accuracy claimed for the electron concentrations that were measured simultaneously by means of dispersive phase techniques. It is stressed that uncertainties in the pressure are probably the largest error source. The electromagnetic wave absorption apparently was uneffected by the SPE-disturbed D-region except for the enhanced electron concentration. (Author)
Author:
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ISBN:
Category : Environmental geology
Languages : en
Pages : 418
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Author: United States. Energy Research and Development Administration
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 756
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 1010
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Author: William Swider
Publisher:
ISBN:
Category : D region
Languages : en
Pages : 32
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Book Description
The chemistry of the E-region is fairly well understood and even many of the dynamical complications of this region have been successfully modeled on individual bases. Some of the major remaining problems of this region are discussed, in particular the nitric oxide concentration, a gas affecting the ratio of the two major E-region ions, O2(+) and NO(+). The D-region is much simpler than the E-region from a dynamical point of view but extremely much more complex from a chemical standpoint. Recent results from a study of the D-region under bombardment by solar protons is emphasized.
Author: United States. Energy Research and Development Administration
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 780
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Author:
Publisher:
ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 882
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Author: William Swider
Publisher:
ISBN:
Category : Atmospheric models
Languages : en
Pages : 34
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Book Description
A computer program has been developed for the nighttime D-region under disturbed steady-state conditions. The program provides for the determination of the electron concentration, total negative ion concentration, and the individual positive ion concentrations as a function of altitude. Model results are computed and compared with nighttime data obtained by various experimentalists during the 2 to 5 November 1969 solar proton event.
Author: United States. Energy Research and Development Administration. Technical Information Center
Publisher:
ISBN:
Category : Force and energy
Languages : en
Pages : 788
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Author: Environmental Science Information Center. Library and Information Services Division
Publisher:
ISBN:
Category :
Languages : en
Pages : 444
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