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Old Monday 7th August 2017, 00:43   #2
etudiant
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Join Date: Nov 2006
Location: New York
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It may be that 4G is getting installed first where there are more people, so that the declining numbers of birds are a consequence of human pressures rather than EM pollution.
That said, you pose an interesting hypothesis. Presumably 4G zones should show less productive nests, something that field work could verify. Here in the US however, I don't know of any National Quiet Zone apart from the area around Green Banks, WVa, where there is a several mile wide space reserved for sensitive radio telescopes.
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