Analysis of ionospheric scintilaltion data from auroral latitudes in Europe. The data have been collected at the Dirigibile Italia Station in Ny-Alesund. A particularly novel parameter for the estimate of phase scintilation activity has been tested. This provides more detailed information about GNSS receivers tracking ability.
B.03 Paper at an international scientific conference
COBISS.SI-ID: 1042427The analysis of intensity fluctuation spectra as measured from VHF and UHF signals transmitted from LEO satellites, reveals the evidence of refractive scattering from large scale ionospheric irregularities in the spatial plasma density distribution is found. The presence of refractive scattering is particularly evident in strong scintillation events, where spectral saturation may well occur. This provides useful insights about the understanding and modelling of strong intensity scintillations events.
B.03 Paper at an international scientific conference
COBISS.SI-ID: 870651Ionospheric scintillation is responsible for transionospheric signal degradation that can affect the performance of satellite based navigation systems. Here, a statistical analysis on the use of some additional index (coupled with classical scintillation indices) is carried out based on 50 Hz GPS measurements recorded at Dirigibile Italia Station (Ny-Alesund, Svalbard). The usefulness of such an index in the understanding of the signal dynamics due to ionospheric electron density irregularities is discussed.
B.03 Paper at an international scientific conference
COBISS.SI-ID: 870395