Accession Number : ADA303519

Title :   Correlation and Gradients Characteristic of Ionospheric Parameters in Europe.

Descriptive Note : Final rept. 22 Aug 94-31 Oct 95,

Corporate Author : TEL-AVIV UNIV (ISRAEL)

Personal Author(s) : Heyman, Ehud ; Tsedilina, Elene E. ; Weitsman, O. V.

PDF Url : ADA303519

Report Date : NOV 1995

Pagination or Media Count : 82

Abstract : Diurnal and seasonal regularities of spread-F and scattered F-traces have been evaluated for one year of high solar activity at midlatitudes by processing and scaling about 900 color ionograms written in ARTIST system (1991, sounding station Roquetes, Spain). The relationship of spread-F and scattering in F-layer with magnetic disturbances is considered. Effect of terminator on the spread-F and scattering clearly defined. Occurrence af blackouts is presented. Comparison of IRI-9O parameters with measured ionospheric parameters at three midlatitude ionospheric stations in Europe was examined.

Descriptors :   *IONOSPHERIC DISTURBANCES, *SPREAD F, EUROPE, ELECTROMAGNETIC SCATTERING, ATMOSPHERIC SCATTERING, SPAIN, SOLAR ACTIVITY, DIURNAL VARIATIONS, IONOGRAMS, ATMOSPHERIC SOUNDING, BLACKOUT(PROPAGATION), MAGNETIC DISTURBANCES.

Subject Categories : Atmospheric Physics
      Radiofrequency Wave Propagation

Distribution Statement : APPROVED FOR PUBLIC RELEASE