How do scientists uncover phenomena and explain their connections? How do engineers design machines, methods and infrastructure? At omega tau, experts give detailed answers. Over the last ten years, we have produced over 350 episodes in which we dug deeper, until we ran out of questions. Join us on our journey through the world of science and engineering: the closer you look and listen, the more interesting things get.
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266 – Secondary Surveillance Radar
Secondary surveillance radar (SSR) is the radar technology used in aviation to query transponders; it forms the backbone of today's air traffic control infrastructure. Our guest in this episode is Mike Sharples who has been part of the development of the technology and is intimately familiar with the details. We discuss the importance of SSR today, the details of the protocol, the difference between and evolution from Mode A/C to S as well as the relationship to ADS-B.