Words similar to transponder

Example sentences for: transponder

How can you use “transponder” in a sentence? Here are some example sentences to help you improve your vocabulary:

They did this on 9/11 when the transponder signals for three of the aircraft disappeared.
Those four planes, like all aircraft traveling above 10,000 feet, were required to emit a unique transponder signal while in flight.
FAA guidance to controllers on hijack procedures assumed that the aircraft pilot would notify the controller via radio or by"squawking"a transponder code of "7500"-the universal code for a hijack in progress.
At 8:47, seconds after the impact of American 11, United 175's transponder code changed, and then changed again.
At 8:51, the controller noticed the transponder change from United 175 and tried to contact the aircraft.