Originally Posted by Superguy
My understanding was that the typical cell phone only puts off about 1W of power at max. I don't know what cell towers emit, but I generally think it'd at least be more. I could be wrong though.
The ground-based towers emit a *LOT* more. It's just that the plane is a *LOT* farther from them. 1 watt at 1 yard is the same as 1760 watts at 1 mile.