In the night following on 25 May, a severe thunderstorm struck large parts of Hollands west coast. The WebSDR was just fine at 85m ASL. Fortunately, all cables are equipped with lightning arrestors and everything is properly grounded. During the lightning storm I captured several screenshots of the WebSDR on which VLF shows interesting propagation efects due to lightning ionizing the air.
While inspecting for lightning damage, I retuned the the direct conversion receiver to 2m SSB