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May 24, 2013


Radio Frequency emissions can play havoc with other electronic devices in the vicinity. Even though the FCC requires shielding and filtration to suppress harmonics and spurious signals from every device capable of generating RF energy, there is no guarantee that such measures are 100 percent effective. The general ban on RF generating devices on aircraft at certain times is an extra measure of safety. Presumably, iPads have been exhaustively tested for RF emissions
and any of their fugitive signals will not interfere with the avionics.
The FAA cannot test every device in existence.

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