Computer Science – Sound
Scientific paper
Apr 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jastp..70..854z&link_type=abstract
Journal of Atmospheric and Solar-Terrestrial Physics, vol. 70, issue 6, pp. 854-865
Computer Science
Sound
4
Ionosphere, Monthly Median Models, Nowcasting Models, Oblique Radio Sounding
Scientific paper
New systematic oblique ionospheric radio sounding measurements over Central Europe, concerning the radio links between Inskip (UK, 53.5°N, 2.5°W) and Rome (Italy, 41.8°N, 12.5°E) and between Inskip and Chania (Greece, 35.7°N, 24.0°E), have been performed since November 2003. Different long-term (i.e. monthly median) ionospheric predictions and nowcasting techniques have been applied and compared with the oblique-incidence radio sounding measurements. The MUF (basic maximum usable frequency) measurements observed during the early part of the experiment have been used to compare the performances of different methods. The preliminary analysis has shown good performances for the long-term prediction models, in particular in winter months for ICEPAC (ionospheric communications enhanced profile analysis and circuit) and in equinox/summer months for ASAPS (advanced stand-alone prediction system) and SIRM&LKW (simplified ionospheric regional model lockwood). The nowcasting methods SIRMUP&LKW (SIRM updating method lockwood) and ISWIRM (instantaneous space weighted ionospheric regional model) reveal good results for moderate and disturbed geomagnetic conditions when compared with the long-term prediction methods.
Angling M. J.
Belehaki Anna
Fontana Giorgio
Kouris Spyros S.
Makris J. P.
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