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I have certainly seen the emphasis on channel 6 and that is confirmed by the WiGLE statistics. It would probably be relieved if home routers could automatically determine the best channel to use without people having to choose themselves.
Doesn't your suggestion that the channels should be assigned to different types of users go against the principle of licence-exempt spectrum? Assigning the channels goes back to putting the spectrum in the hands of the the regulators.
I have used a spectrum analyser in urban areas and it does, on the face of it, look very busy. The max hold view gets saturated very quickly. When you carefully look at the bursts, though, you see that there are plenty of time gaps.
The highest frame rate I have recorded so far in urban areas is just 650 frames per second, which is not very much at all.
There seems to be a gap between what people think is there and what you get when you try measuring it.
Paxton
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