An Analysis Of Sudden Ionospheric Disturbances Associated With The Proton Flare Of 0026 Ut July 7 1966

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An Analysis of Sudden Ionospheric Disturbances Associated with the Proton Flare of 0026 UT, July 7, 1966

Author : Richard Frank Donnelly,Space Disturbances Laboratory (U.S.)
Publisher : Unknown
Page : 59 pages
File Size : 45,5 Mb
Release : 1968
Category : Proton flares
ISBN : OCLC:1103316491

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An Analysis of Sudden Ionospheric Disturbances Associated with the Proton Flare of 0026 UT, July 7, 1966 by Richard Frank Donnelly,Space Disturbances Laboratory (U.S.) Pdf

Observation of Traveling Ionospheric Disturbances by the Doppler Technique with Spaced Transmitters

Author : John Emory Jones
Publisher : Unknown
Page : 476 pages
File Size : 48,9 Mb
Release : 1969
Category : Doppler radar
ISBN : UCSD:31822007470933

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Observation of Traveling Ionospheric Disturbances by the Doppler Technique with Spaced Transmitters by John Emory Jones Pdf

This report describes a radio investigation of traveling ionospheric disturbances carried out near Boulder, Colorado, over a 1-year period from June 1967 to June 1968. The three-dimensional motions of F2 layer disturbances were measured by the high frequency Doppler technique with spaced transmitters and at several probing frequencies. Horizontal motions were determined by cross-correlating three signals on frequencies near 5 MHz, whose reflection points were approximately at the corners of a horizontal equilateral triangle with 40-km sides. Vertical motions were determined from cross-correlation of signals on frequencies of 3.3, 4.0, and 5.1 MHz, whose reflection points were aligned vertically.

ESSA Technical Report ERL.

Author : United States. Environmental Science Services Administration
Publisher : Unknown
Page : 72 pages
File Size : 50,6 Mb
Release : 1968
Category : Electronic
ISBN : STANFORD:36105133449723

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ESSA Technical Report ERL. by United States. Environmental Science Services Administration Pdf

Contribution of X-ray and Extreme Ultraviolet Radiation of Solar Flares to Sudden Frequency Deviations

Author : Richard Frank Donnelly
Publisher : Unknown
Page : 52 pages
File Size : 46,5 Mb
Release : 1969
Category : Atmospheric radiation
ISBN : PSU:000072011324

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Contribution of X-ray and Extreme Ultraviolet Radiation of Solar Flares to Sudden Frequency Deviations by Richard Frank Donnelly Pdf

High time and intensity resolution satellite measurements of X-ray and extreme ultraviolet (EUV) radiation during solar flares are studied to determine the wavelength dependence of the flare radiation responsible for sudden frequency deviations (SFD). SFD's measure the flare-induced effects in the E and F1 regions of the ionosphere and are in effect like a broadband (1-1030 Å) detector for impulsive flare enhancements. He II 303.8 Å, O V 629.7 Å, H Ly [upsilon] 972.5 Å, C III 977.0 Å, and H Ly [alpha] 1215.7 Å were found to have essentially the same time dependence as the total ionizing radiation producing SFD's, except that they decay faster than the net 1-1030 Å radiation. Flare enhancements of Fe XV 284.1 Å, Fe XVI 335.3 Å, Si XII 499.3 Å. Mg X 625.3 Å, and Ne VIII 770.4 Å, which are normally coronal lines, appear to have a much slower time dependence than the radiation responsible for SFD's. X-rays in the 0.5-3 Å range are slightly slower than the radiation responsible for SFD's during the decay stage; 1-8 Å X-ray flares are slower, especially during the decay stages; and 8-20 Å flare radiation enhancements are slower throughout the entire SFD.

Extreme Ultraviolet Flashes of Solar Flares

Author : Richard Frank Donnelly
Publisher : Unknown
Page : 108 pages
File Size : 43,6 Mb
Release : 1970
Category : Solar flares
ISBN : PSU:000072020050

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Extreme Ultraviolet Flashes of Solar Flares by Richard Frank Donnelly Pdf

NOAA Technical Report ERL.

Author : United States. National Oceanic and Atmospheric Administration
Publisher : Unknown
Page : 108 pages
File Size : 42,7 Mb
Release : 1970
Category : Electronic
ISBN : UIUC:30112005439473

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NOAA Technical Report ERL. by United States. National Oceanic and Atmospheric Administration Pdf

United States Department of Commerce Publications

Author : United States. Department of Commerce. Office of Publications
Publisher : Unknown
Page : 76 pages
File Size : 49,7 Mb
Release : 1968
Category : Government publications
ISBN : OSU:32435018954289

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United States Department of Commerce Publications by United States. Department of Commerce. Office of Publications Pdf