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The Global Positioning System for the Geosciences: Summary and Proceedings of a Workshop on Improving the GPS Reference Station Infrastructure for Earth, Oceanic, and Atmospheric Science Applications
FIGURE 10 Correlation coefficients of the ionospheric delay vs. IPP separation distance using daytime data (preliminary result). The day time data shows strong correlation up to 2000 ∼ 3000 km.
FIGURE 11 Correlation coefficients of the ionospheric delay vs. IPP separation distance using nighttime data (preliminary result). The night time data shows much stronger correlation than the day time.
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