Schumann resonances

Past 3 days

Source: Space Observing System, Tomsk State University, Russia.

Past week

Site key: GCI001 California, USA; GCI002 Hofuf, Saudi Arabia; GCI003 Lithuania; GCI004 Alberta, Canada; GCI005 Northland, New Zealand; GCI006 Hluhluwe, South Africa.

Source: HeartMath Institute, USA.