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Image: GPS World

About Guy Buesnel

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Guy Buesnel is a PNT security technologist at Spirent Communications, with a focus on cyber-security. He holds a master’s degree in communications engineering from the University of Birmingham.

Posts by Guy Buesnel

Industry perspective: Next-gen PNT needs careful assessment Posted on 29 Apr 2020 in the Defense & From the Magazine categories.

With the first GPS Block III satellite SVN 74 being set as healthy and active in January, GPS has reached another important milestone. Setting the vehicle healthy and active makes... Read more»

GPS disruption a full-fledged aviation problem Posted on 06 Mar 2017 in the Featured Stories & From the Magazine & Transportation categories.

Several jamming incidents in 2016 highlight the increasing reliance on GNSS by commercial aviation and vulnerabilities of PNT-dependent devices and systems to real-world GNSS threats. Notices to Airmen (NOTAMs) and... Read more»

Make it real: Developing a test framework for PNT systems and devices Posted on 01 Nov 2016 in the Featured Stories & From the Magazine & OEM categories.

Tests of the robustness of commercial GNSS devices against threats show that different receivers behave differently in the presence of the same threat vectors. A risk-assessment framework for PNT systems... Read more»