Only Return Stroke is actually possible to observe, the two preceding phenomena are almost unnoticeable and can be only registered a sensitive measurement and registration technique (their currents are 100 - 1000x weaker).
Lamang Return Stroke ay aktwal na posibleng Sundin, Ang nauuna ang dalawang phenomena ay halos unnoticeable at maaari lamang nakarehistro at pagpaparehistro at sensitibong pagsukat ng diskarteng (kanilang mga alon ay 100 - 1000 beses weaker).