Where did you get those solar radiation measurements from?
Where did you get those solar radiation measurements from?
The people who study it
The people who study it
Study what measurements? Made by what equipment?
Study what measurements?
Made by what equipment?
Radio shack sells them. US gov has been buying solar radiation detectors from Radio shack for years.
Amazing you don't have one.
Radio shack sells them. US gov has been buying solar radiation detectors from Radio shack for years.
Amazing you don't have one.
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