High Latitude Ionosphere Scintillations at GPS L5 Band

Senlin Peng, Yu Morton, Woulter Pelgrum, and Frank van Graas

Abstract:	Ionospheric scintillations can cause significant amplitude and/or phase fluctuations of GNSS signals. This paper presents preliminary results of scintillation effects on the new GPS L5 signal based on data collected using a real-time scintillation monitoring and data collection system at HAARP, Alaska. The data collection setup includes a custom narrow band front end that collects GPS L1, L2 IF samples and a reconfigurable USRP2 based RF front end to collect wideband GPS L5 and GLONASS L1 and L2 signals. In this paper, we present the results of GPS L1, L2, and L5 carrier tracking results of a controlled artificial scintillation and three natural scintillation events. The results confirm that scintillation has a stronger impact on GPS L2 and L5 signals than on the L1 signal. Our preliminary results also show that carrier phase and amplitude scintillations on each signal are highly correlated. The amplitude and carrier phase scintillation are also correlated among the three signals.
Published in:	Proceedings of the 24th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2011) September 20 - 23, 2011 Oregon Convention Center, Portland, Oregon Portland, OR
Pages:	597 - 607
Cite this article:	Peng, Senlin, Morton, Yu, Pelgrum, Woulter, van Graas, Frank, "High Latitude Ionosphere Scintillations at GPS L5 Band," Proceedings of the 24th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2011), Portland, OR, September 2011, pp. 597-607.
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