He didn't need to analyze the radar emissions or flight parameters.

A stealth bomber that beaconed its position with radar emissions would have a short life and fiery end.

Much of the stealth comes from reflecting radar emissions in directions different than a direct return.

This device would immediately identify any large source of radar emissions in the area.

Roger, but be advised that we're starting to get radar emissions, and somebody might just detect us.

"Wouldn't the absence of any kind of radar emissions indicate it?"

"We believe the enemy has been homing on our radar emissions, Captain," the major continued.

The Americans must have picked up his radar emissions and guessed he was waiting for them!

The Japanese must have picked up the radar emissions of the inbound missiles.

We picked up the radar emissions and some radio traffic.