Doppler sounding of the Ionosphere

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 navigation: Prague 3.59 MHz Prague 4.65 MHz Prague 7.04 MHz Kasperk_3.59 MHz Kasperk_4.65 MHz Tucuman Taiwan-Puli Taiwan-Hsinchu Hermanus France

3.59 MHz Prague

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

7.04 MHz Prague

3.59 MHz Kasperk

4.65 MHz Kasperk

4.63 MHz Tucuman

4.66 MHz Puli (6.57 MHz before 18-Oct-2018)

4.66 MHz Hsinchu (6.57 MHz before 18-Oct-2018)

3.59 MHz Hermanus

4.95 MHz France