The Wonder of Radio Waves and Yagi’s

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I have a great interest in radio waves, and I did my PhD on the analysis of radio waves using a time-domain method. It amazes me that the radio waves from a GPS satellite can reach my mobile phone, even when it is in my car (and surrounded by metal).

I thus marvel at antennas, and while others might pass-by a road side antenna without a thought, I imagine the spread of the signals. A few years ago I…

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Prof Bill Buchanan OBE FRSE
ASecuritySite: When Bob Met Alice

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.