LFM lonosonde-Radiodirection Finder and Its Application in the Ionospheric Researches
The description of new tool LFM ionosonde-radiodirection finder (LFM IRDF) allowing in real time simultaneously to measure a key characteristics of the ionospheric channel (distance-frequency, amplitude-frequency and angular frequency characteristics) in all range of frequencies of HF radio signals passage is given. Results of experimental researches of ionospheric HF radio waves propagation on paths of various extent and orientation in the natural and artificial-disturbed ionosphere obtained by means of this tool are presented. The algorithm of spatial distribution reconstruction of electronic concentration along of sounding path according to work LFM IRDF is developed.