Abstract-Based on experimental evidence of multiple reflections and modeling, we infer that the so-called compact intracloud lightning discharge (CID) is essentially a bouncing-wave phenomenon. Some tens of reflections may occur at both radiatingchannel ends. The reflections have little influence on the overall CID electric field signature (narrow bipolar pulse (NBP) waveform), but are responsible for its fine structure, "noisiness" of dE/dt waveforms, and accompanying HF-VHF radiation bursts.Index Terms-Elec…
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