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Yes to three sports complexes. Two of which are major arenas...Super Bowl 70,000 plus seating.
It might shorten the time they survive. But no one apparently has built up a virus half-live vs UV intensity vs UV wavelength 3D chart yet.
UV-C definitely kills it, but the air is pretty opaque to these wavelengths. It also burns the crap out of your skin. UV-C, from my experiences with such lamps, will produce quite a bit of ozone, which you can easily smell. It will burn you pretty badly even with rather short term exposure from an 18 watt mercury vapor type emitter, within a range of about 3 to 5 feet, but beyond about 25 feet seems to not burn as much.
I'm not sure exactly how far the 245 nm emission line really travels through air, as all the fluorescent material I had also reacts strongly to the 365 nm UV-A emission line as well, which penetrates a lot further in air. The 365 nm line is used in mineraological and "poster lamps" and probably doesn't have any significant virus killing possibility.
I suspect we will. But the city the stadium is in is prepared for large rowdy crowds, just not sure the are prepared for angry ARMED crowds since Arizona is a open carry state with a glitch in the law that allows teens to carry rifles and anyone to carry a semi auto.
We have a UV light system on our HVAC system we just installed in January.
Lol! Innovative approach. Naked means no weapons!
The GOP has already contacted the campaign to get it to Phoenix inspite of the fact he has not paid for the rallies he held here or in Tucson.