It's a common condition in understanding 'The Schumann', that it's easier to make-up explanations than it is to become informed on the topic.
People WANT to see a planet, or a sphere, or other circular image that they recognize. Between 07--13 UTC, we see an interesting pattern. It is recognized as a "Spherical object" mystically shown in 'The Schumann.'
Is there a spherical object in 'the schumann', or is it simply that folks can't read the information ?
Once again, look at all of the complete data. We can see the dependency of frequency has dropped-out at 7 when we see the shape appear. One needs to observe the actual data of the dependencies. This is telling the observer what to see on the spectrogram.
It's difficult for people to see such a "perfectly round" shape, and not think that it's artificial. The problem is that the shape is not as perfect as people want to believe it is. The bottom of it (which you see as the top in the spectrogram), is flattened.
I would imagine that if the shape was a perfect as folks think, then perhaps it would be manufactured.
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