Here is the hardware one site uses for locating lightning strikes. It looks like they use VLF (Very Low Frequency) antennas and mostly use time or arrival to lo

Here is the hardware one site uses for locating lightning strikes. It looks like they use VLF (Very Low Frequency) antennas and mostly use time or arrival to locate sources. https://www.blitzortung.org/en/cover_your_area.php https://www.blitzortung.org/en/cover_your_area.php I sometimes listen to the live map as a background noise source with some randomness. https://map.blitzortung.org/#1/10.1/8 https://map.blitzortung.org/#1/10.1/8