
The Higherside Chats Peter Cowan | The 49ers Substation Story, EMF, & Light Health
Feb 20, 2026
Peter Cowan, a quantum biology practitioner and creator of the Sunlight Is Life app, unpacks the 49ers substation EMF story. He shares on-site measurement tales and health threshold comparisons. He links tendon injuries, mitochondrial effects, and cellular water to electromagnetic exposure. He also outlines practical light-health tools and where to follow ongoing measurements.
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Unusually Close Substation Near 49ers Facility
- The 49ers training facility sits unusually close to a massive electrical substation that could uniquely affect the team.
- Peter Cowan argues this proximity creates an uncommon variable correlating with frequent collagen-based injuries.
On-Site Meter Readings With His Father
- Peter visited the site with his electrical-engineer father and took gauss meter readings near the fence despite limited access and guards.
- He recorded values around 8.9 milligauss on a non-peak day, suggesting routine exposure could be higher during use.
European Exposure Limits Vs Measured Levels
- European residential limits often cap magnetic fields around 4 milligauss due to studies linking ~3 mG to childhood leukemia.
- Readings around 8-15 mG exceed those guidelines and warrant concern for frequent occupational exposure.






