Although the basic principle of radio direction finding is easy to understand (measure the phase difference between different ...

Every two years, competitors from 25 different countries descend upon a forest, armed with the direction-finding tools of a bygone era. They wave large, pronged radio receivers — the kind you may find ...

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 ...

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’ ...

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, ...

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 ...

SAN ANTONIO -- Nov. 19, 2019 -- Mitigating ongoing threats to national security requires timely intelligence data, including signals intelligence (SIGINT) obtained through electronic surveillance.

THERE are in use to-day three principal systems -L of direction finding by which the apparent direction of arrival of a train of electromagnetic waves can be observed and, under suitable conditions, ...

The Pentagon wants more accurate high-frequency direction-finding antenna for small aircraft. Credit: U.S. Army The Defense Innovation Unit is looking to find a prototype small high-frequency ...

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 ...