Recent Examples of transponder from the Web
When the hijackers turned off the planes' transponders, which broadcast identifying signals, ATC had to search 4500 identical radar blips crisscrossing some of the country's busiest air corridors.
Drivers can use a toll transponder or allow expressway cameras to capture license-tag numbers, which will initiate toll billing by mail.
The plane, which reportedly sat unused for months before its unexpected departure, took off with its lights off and a dysfunctional transponder, according to Air & Space.
That spacecraft launched in 2006, providing coverage of North America with 24 transponders that emitted what are known as C-band frequencies.
These vessels have been spotted entering North Korean ports with their transponders turned off in violation of international law, Billingslea said.
More than 300,000 transponders had been requested to date and RiverLink has more than 137,000 prepaid accounts.
On weekdays, roughly 60 to 65 percent of drivers have transponders and, on weekends, that number dips to 45 to 50 percent.
An investigation revealed that a toll transponder and a multi-tool were stolen from vehicles on South Meadow Court and Maxine Street.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'transponder.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Did You Know?
This word was coined during World War II by simply joining pieces of the words transmitter and responder. Transponders are basic to modern aviation and communications satellites, and they're finding new uses in fields such as medicine as well. But they're now also part of everyday life. The "E-ZPass" that lets you drive right through turnpike tollbooths is a transponder, and the car you're driving may not even start unless it recognizes the signal from your personal key's transponder. In a big crowded foot race, you may carry a tiny transponder on your shoe that records when you cross both the starting line and the finish line.
Origin and Etymology of transponder
First Known Use: circa 1944See Words from the same year
TRANSPONDER Defined for English Language Learners
Seen and Heard
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