After a military helicopter collided with a passenger plane near Reagan National Airport, here’s what to know about TCAS, a ...

Hitag transponders have been used in a wide variety of car keys as a protective measure against hot-wiring and theft. They’re also a reason why it’s a lot more expensive to get car keys ...

Unlike transponders, there will be no deposit fee, according to the Tollway. Drivers will also be able to receive multiple ...

Over the years the Calibration Group has developed and built highly accurate transponders in various frequency bands including X, C, and L band for different SAR missions. The development of the so ...

On the former, the tollway is gradually replacing hardcase I-PASS transponders as they expire with less expensive stickers. A number of readers were perplexed by the placement of the devices.

For satellite, the BBC utilises a number of transponders on a number of satellites. The satellites are arranged in such a way that a correctly- aligned satellite dish will be able to receive ...

AIS transponders in the Mediterranean. VesselFinder Automatic Identification System (AIS) is a GPS tracking system that uses transponders to transmit a ship’s position data to other ships or ...