OH, BTW....Stainless don't ring....
on a pulse field walk through metal detector.....
industry secret from the early 80's..... pulse field measures the decay of the magnetic field by the surrounding magnetic metals....but stainless don't react.... trick is that RF is so unstable in most operational shituations that it can't be trusted to screen typical personnel loads, say power plant workers, or airline passengers, or even courthouses......much less other .gov installations.....including the White House and Cap Hill.....Supreme Court..... dunno much about today, except to say doubtful much has changed over the year, unless the did some krazy computer programming on a RF device to pick out the stainless.....witch is doubtful.... |
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Small pieces of steel/iron have a rapid decay signal, and brass like ammo is not seen at all, certainly would take much larger mass than anyone could carry without be noticed as MOST obvious....
our test object was a 4" long piece of 1/2" diameter steel rod.... would take a large Tejas size belt buckle to set it off.....among common articles giving false alarms.... Anyone remember the name Sentrie??? by INTEX, Bethesda Md.??? |
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The walk through detectors in airports can see stainless steel implants, such as rods or joints, inside your body so they can most definitely see a stainless steel firearm. LOTS of info available about this on a quick Google search.
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https://detectingschool.com/do-metal...0is%20possible. |
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