He took a Kindle to a lab where they test electronic emissions.

The ships overhead would be scanning for electronic and infrared emissions.

"No electronic emissions can escape this quadrant of the building."

Other sensors on the plane collect electronic emissions from the ground.

Somebody will give off an electronic emission we can decrypt or track.

And from now on we'll operate a policy of minimal electronic emission.

The latter were designed to listen in on radio and other electronic emissions.

"The information I received was that we did not receive any electronic emissions."

They spotted our friends from three hundred miles out, electronic emissions.

That is unlikely to change, according to experts, but the reason is not electronic emissions.