Selected time series of separated radio dynamic spectrum in panel 2a (Fig. 2) and the wavelet tadpole patterns with a characteristic period P ≈ 2 s. These time series (9:34:51−9:35:07 UT) observed at frequencies 5026 (panel a)), 5398 (panel b)), 5579 (panel c)), and 6593 MHz (panel d)) show their peak maxima (red arrows) equal to the maxima of the wavelet tadpole heads. There is no measurable frequency drift of these tadpole head maxima.