[bloggie]

The poster's assumption that this is caused by the Apple product could be incorrect. The emissions could be caused by the supply equipment noise propagating down the cable. The load presented by the Apple product could induce the supply equipment to emit noise at that frequency.

[tuetuopay]

I'd be much more enclined to blame the cigarette lighter to usb adapter used in the car instead of the magsafe adapter. apple usually do their homework.