Schumann Resonance June 19 2025. Schumann resonance @18/19 june 2023 quality factor ~ space observing system: The schumann resonance, named after the german physicist winfried otto schumann who predicted its existence in 1952, is essentially the earth’s electromagnetic.

I thought i should also post the other readings from the space observing system site. Yesterday evening (edt), sunday, 6/23/2025, the global.