Abstract: Ionospheric Doppler shift is the frequency shift of radio waves reflected by the disturbed ionosphere. The variations of the ionosphere, such as its vertical movements (Doppler velocity), can be obtained from the frequency shift. The important information is useful for monitoring and studying ionospheric disturbances. This dataset was generated by the ionospheric high-frequency Doppler shift monitor of the Peking University Ionosphere Station. The monitor received the short-wave time signal broadcast from the National Time Service Centre, and performed the Fast Fourier Transform (FFT) on the difference between the received signal and the standard reference signal to obtain the frequency shift spectrum results. The dataset can be used to obtain the Doppler shift and corresponding Doppler velocity, which can provide data support for space environment research and applications.
Keywords: ionosphere; ionospheric high-frequency Doppler shift monitor; ionospheric disturbance; Meridian Project