Currently the SWACI services are migrated to the Ionosphere Monitoring and Prediction Center (IMPC). This may cause downtimes of several products or parts of this webpage. To get latest news and product updates please visit impc.dlr.de!
< SWACI Products
Scintillation indices
Small scale irregularities of the ionospheric plasma may cause fluctuations of the signal strength of radio waves.
The S4-Index is a measure to describe the amplitude- respectively the intensity fluctuations of a signal. The σφ-Index, describes the behaviour of carrier phase fluctuations. Both indices are calculated over a one minute interval.
DLR’s high rate GNSS measurement network ranges from auroral to equatorial latitudes. The measurements are provided in near real time by DLR’s Experimentation and Verification Network (EVnet)[Noack et al., 2004,2005]. We thank the hosting institutes for supplying the required infrastructure.
High-Rate scintillation network
Satellite color association |
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| Chofu (35.40°N; 139.32°E) *** currently not available because of hardware maintenance *** |
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| Kiruna (67.84°N; 20.41°E) *** due to maintenance work there will be a short blackout on december 21th, 2016 *** |
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| Neustrelitz (53.32°N; 13.07°E) |
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| Stanford (37.254°N; -122.102°E) |
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| Toulouse (43.57° N; 1.47° E) |
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| Tenerife (28.47° N; -16.32° E) |
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