Identifying Equatorial Scintillation using C/NOFS in-situ Density Measurements

Details Identifying Equatorial Scintillation using C/NOFS in-situ Density Measurements Identifying Equatorial Scintillation using C/NOFS in-situ Density Measurements

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsa14a..03s&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SA14A-03

Physics

[2415] Ionosphere / Equatorial Ionosphere, [2439] Ionosphere / Ionospheric Irregularities

Scientific paper

The global equatorial coverage of the C/NOFS satellite is ideal for determining seasonal, longitudinal, and local time variations of ionospheric processes. To gain a better understanding of these variations for ionospheric scintillation, ion density measurements by the Ion Velocity Meter (IVM) are used to generate an in-situ S4 scintillation index. The effect of measured irregularities upon communications is determined by extracting perturbations in ion density from the background over a defined spatial scale using wavelet analysis. These band-limited waveforms are mapped to scale sizes responsible for communications disruption by using a power law irregularity spectrum. A comparison of in-situ and ground station measurements of scintillation will be presented.

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