Experimental data for the manuscript "Whistler echo trains triggered by energetic winter lightning": part 1

Two-component magnetic field data recorded at the high latitude receiving station Kannuslehto operated by the Sodankyla Geophysical Observatory in Finland (67.7°N, 26.3°E). The dataset consists of 6 files, each of them contains the 1-hour long continuous record of magnetic field fluctuations measured by two orthogonal magnetic loops. The data originates from January 3, 2017 00:00-06:00 UTC.