Reading code for the data used in the manuscript "Whistler echo trains triggered by energetic winter lightning"

The file "NC_vlf.pro" is a source code written in the IDL programming tool for reading the magnetic field data analyzed in the manuscript "Whistler echo trains triggered by energetic winter lightning" and stored in the Mendeley Data ( doi: 10.17632/bhd4dt42mg.1; doi: 10.17632/gy27m8vy9v.1)