A discussion from 1969 about false alarms. The BMEWS radar system produced 40-50 false nuclear attack alerts per year — that's around one per week!pic.twitter.com/OLXga74SXW
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Thx! So if those 40-50 false positives are those 10% that are left after addtl data, then there were 4-500 to start with? I agree LOW is a bad idea, but is this cooking the books a little? How could it have been the way the system was designed?!
#dontknowmuchabouthistory
I don't know if they are talking about the same systems or the same types of errors. My guess is that it's 40-50 false alerts per year and those reduce down to 4-5 after additional data (still a lot!), but I don't have any further details.
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But it could be other way around, too, though +1 false alarm (even if it could be discounted with more data) per day sounds like a lot. (But for a sufficiently complex and large system, not impossible. The radiation screeners at Port Newark have several false positives per day.)
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