Would someone in the know explain why technically the cell phones in the
headrest(Verizon?) Airphones don't cause the same problems as customer owned
cell phones. Why are they immune from causing RFI to the aircraft and also
from causing massive interference to cell sites below?
> As a System Performance Engineer I would discourage use of cell phones in
> aircraft in normal circumstances. (FCC rules permit a lot broader usage
> radio frequencies in a Emergency.)
> So, over rural Pennsylvania, at lower altitudes, it does not surprise me
> some passengers were able to use their cell phones.
> Darrel Swenson, K0AWB
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