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Doppler sounding of the Ionosphere - latest Doppler shift spectrograms
Spectrogram archive    8-hour spectrograms   2-hour spectrograms

Data from Tucuman were obtained in the collaboration with Universidad Nacional de Tucuman (Laboratorio de Telecomunicaciones).
Data from Hermanus were obtained in the collaboration with SANSA, Hermanus, South Africa.
Data from Taiwan (Zhongli,Puli) were obtained in the collaboration with National Central University, Jungli City, Taiwan.
Quick navigationPrague 3.59 MHz   Prague 4.65 MHz   Prague 7.04 MHz   Tucuman   Taiwan-Puli   Taiwan-Hsinchu   Hermanus

3.59 MHz Prague

      

4.65 MHz Prague (4.27 MHz before 01-Oct-2013)

      

7.04 MHz Prague

      

4.63 MHz Tucuman

      

6.57 MHz Puli

      

6.57 MHz Hsinchu

      

3.59 MHz Hermanus