Orientation of initial breakdown pulses and Leader Discharges by Magnetic Direction Finder

1 VLF data
      (1). 'CG_0719.mat' is the lightning data of July 19, 2017. Each group of data contains return stroke data.
 Size:   23x1048576x3
 Sample rate:  20 MHz
 V123(n,:,1): East-West magnetic field data at Group nth (Unit nT)
 V123(n,:,2): North-sourth magnetic field data at Group nth (Unit nT)
 V123(n,:,3): Electric field data at Group nth (Unit V/m)
      (2). 'IC_0624.mat' is the lightning data of July 19, 2017. Most of the data is IC process
 Size:   12x92160x3
 Sample rate:  30 MHz
 V123(n,:,1): East-West magnetic field data at Group nth (Unit nT)
 V123(n,:,2): North-sourth magnetic field data at Group nth (Unit nT)
 V123(n,:,3): Electric field data at Group nth (Unit V/m)
2 Figure data
       This folder contains the .fig format files of Figure. 6, 7, 8, 9, 11, 12 in the paper