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Antarctic Research Features

The variability of ionospheric delay and ionospheric scintillation are two of the primary factors which affect the accuracy of satellite navigation. The project will provide a demonstrator of cutting edge technology for the empirical assessment of the ionospheric delay and ionospheric scintillations in the polar regions. The scope of the project includes new equipment for the recording and dissemination of GNSS data and products installed at the South African and Brazilian bases in Antarctica. The new equipment will facilitate the exchange of software and derived products via the Cloud computing technology infrastructure. The project portal is accessible at We report the first Global Navigation Satellite System (GNSS) signal scintillations observed in Antarctica.

The authors thank the SCAR GRAPE (GNSS Research and Application for Polar Environment) Expert Group for assistance.

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