Multi-position facility for HF Doppler sounding of ionospheric inhomogeneities in Ukraine

This paper describes a system for multi-position Doppler ionosphere sounding implemented at the beginning of 2018 in the Kharkiv region of Ukraine, the data processing technique and initial results of data analysis. The system comprises a high frequency (HF) transmitter and three receiving sites making almost a right triangle with catheti of 32.8 and 58 km. The transmitter continuously emitting a ...