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  • Stephen Biss

Can a text message received trigger an "Ambient Fail"?


An Ambient Fail is normally an indication of too much ethanol floating around in the breath room environment. The current ATC Recommendations require that approved instruments be equipped with automatic systems that flag error when the air blank identifies more than 10 mg / 100 mls of ambient ethanol. However, this experiment shows that an Ambient Fail can also be triggered by RFI produced from a receiving cell phone. RFI can trigger all sorts of error messages on an approved instrument - not just RFI Inhibited.

#textmessages #ambientfail #rfi

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