Figure 1
From: Two successive bidirectional leaders propagated in triggered lightning channel
Sketch of the equipment including the high-speed camera, magnetic sensor, rocket launcher and electric sensor. Artificially Triggered lightning Experiment had been carried out in the summer of 2019 in Guangzhou Field Experiment Site for Lightning Research and Testing (GFESLRT), and the flash (F201906301713) analyzed in the letter was triggered at 17:13:13 on 30 June, 2019. (a) The layout of the equipment including the high-speed camera, magnetic sensor and electric sensor. (b) The image of the lightning channel and the corresponding height.
