PLASMON WP2 Report on SANSA Activities (Southern African ULF Stations) Peter Sutcliffe SANSA Space Science.

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Presentation transcript:

PLASMON WP2 Report on SANSA Activities (Southern African ULF Stations) Peter Sutcliffe SANSA Space Science

Namibia South Africa Station GeographicAACGM L- Value LatLongLatLong HER SUT KMH HBK OTJ TSU INTERMAGNET and ULF stations in Southern Africa

Example of FLR frequency determination Example of Pc3 FLR frequency determination using amplitude difference and phase difference methods from SUT and HER induction magnetometer data. SUT HER

Namibia South Africa Station GeographicAACGM L- Value LatLongLatLong HER SUT KMH HBK OTJ TSU INTERMAGNET and ULF stations in Southern Africa

Comparison of Hermanus Induction and LEMI-025 Magnetometers (Pc3) LEMI-025 Induction

Comparison of Hermanus Induction and LEMI-025 Magnetometers (Pc4 & Pi2) LEMI-025 InductionPc3-4Pi2 Pc3-4Pi2

Namibia South Africa Station GeographicAACGM L- Value LatLongLatLong HER SUT KMH HBK OTJ TSU INTERMAGNET and ULF stations in Southern Africa

LEMI-025 Fluxgate Magnetometer

Proposed system for data logging

Fig. 3. The mean and standard deviation of the dominant pulsation periods of the H-component observed at the stations SAA (L=1.84), AUG (L=1.64), MAR (L=1.52) and TSU (L=1.37) are indicated by the circles and error bars, respectively. The short dashed line shows the periods computed using a plasma model containing both O + and H + as a function of L-value. The long dashed line shows the periods computed with the same H + distribution, but with O + excluded. Hattingh, S. K. F. and P. R. Sutcliffe, Pc3 pulsation eigenperiod determination at low latitudes, J. Geophys. Res., 92, 12433, Effect of O + on FLR frequency