Direction-finding, or fox hunting, is a popular activity in ham radio circles where a group of people armed with radios attempt to locate a broadcasting source. Besides being a hobby for amateurs, ...

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Radio direction finding is one of those things that most Hackaday readers are likely to be familiar with at least on a conceptual level, but probably without much first-hand experience. After all it’s ...

Bluetooth already knows how to find phones, and location accuracy is fairly decent. A planned update to Bluetooth, however, will give the short-range radio tech the power to pinpoint devices’ ...

Bluetooth's current location technology isn't particularly exacting. Its proximity features can tell you when you're close, but not which way to go -- and the position features are only accurate down ...

Silicon Labs adds Bluetooth 5.1 location services to its Wireless Gecko line of connectivity software and SoCs for the Internet of Things. The Bluetooth 5.1 direction finding feature allows devices to ...

Infrasound refers to sound frequencies below the threshold of human hearing, around 20 Hz or less. There are a variety of natural sources of infrasonic emissions, including thunderstorms, avalanches, ...

THE appearance of the fourth edition of this book will do much to dispel the impression, prevalent in some quarters, that the technique of radio direction finding has been rendered obsolete by the ...

WHEN the first edition of this book appeared in 1922, interest in wireless direction-finding was confined to a comparatively few individuals who were engaged either in the practice of the art for ...