Power Spectra of Ionospheric Scintillations

A Strong-Scatter Theory of Ionospheric Scintillations for Two-Component Power Law Irregularity Spectra

for Two-Component Power Law Irregularity Spectra Charles S. Carrano, Charles L. Rino Institute for Scientific Research Boston College ABSTRACT We extend the phase screen power law theory for ionospheric scintillation to account for the case where the refractive index irregularities follow a two-component power law spectrum. The twocomponent model includes, as special cases, an unmodified power ...

GPS Carrier Tracking Loop Performance in the presence of Ionospheric Scintillations

The performance of several GPS carrier tracking loops is evaluated using wideband GPS data recorded during strong ionospheric scintillations. The aim of this study is to determine the loop structures and parameters that enable good phase tracking during the power fades and phase dynamics induced by scintillations. Constant-bandwidth and variable-bandwidth loops are studied using theoretical mod...

Parametrization of spectra of plasma bubble induced VHF satellite scintillations and its geophysical significance

An important component of ionospheric plasma irregularity studies in the Indian low latitudes involves the study of the plasma bubbles which produce intense scintillations of the transionospheric satellite signals. Many such plasma bubble induced (PBI) scintillation events were identified while recording 244 MHz signal from the geostationary satellite Fleetsat (73°E) at Delhi (28.6°N, 77.2°E) d...

solov - PETCT Scintillations

Extremely Anisotropic Scintillations

A small number of quasars exhibit interstellar scintillation on time-scales less than an hour; their scintillation patterns are all known to be anisotropic. Here we consider a totally anisotropic model in which the scintillation pattern is effectively one-dimensional. For the persistent rapid scintillators J1819+3845 and PKS1257−326 we show that this model offers a good description of the two-s...