Quote:
Originally Posted by DawnFalcon
When they're not actively making a call?
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I was thinking of the scenario where a plane was out of range of the nearest cellular base station. When that happens, the handset will progressively boost its power in an attempt to "check in" with a base station (that's why, if you go off into the wilds, the mobile will run down its battery in no time flat). A plane-load of mobile phones, all doing that, may cause a significant amount of electrical interference.