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You would stop all WiFi experimentation just to decrease slightly the odds of inference with a radar that _might_ help prevent a crash? We don't live in a society focused entirely on safety. Safety is important, but it's not trump card that automatically beats all other concerns. When a proposed policy reduces risks only slightly but has large costs, we shouldn't enact that policy.

Now, who decides what "slightly" and "large" mean in this context? You didn't provide any numbers. Given that 87,000 [1] flights take off and land safely in the US each day and that there have been 20 reported TDWR inference incidents ever, we cannot justify the harm this policy would do to the technology community.

[1] http://sos.noaa.gov/Datasets/dataset.php?id=44