RethinkPNT

Rethink the way you view PNT systems and systems engineering

What We Do

We help you solve your business and technical challenges

RethinkPNT is a consultancy that supports clients in the areas of position navigation and timing, space, satellite communications and ground systems. We are able to provide detailed advice, guidance, assurance and assessment services at a technical and strategic level.

The principal at RethinkPNT has over 25 years’ experience in PNT and space systems in both industry and Government. A former UK Government technology investor and Technical Director of the UK Space Agency, we can bring a unique perspective to any situation, be it operational, research and development, funding or strategic.

Our Mission

Promote resilient navigation and timing systems and approaches worldwide.

Our Vision

Navigation and timing services are essential to every aspect of our digital age. We believe they should be recognised and protected as critical infrastructure through taking a system of systems approach to resilience.

Our Services

Consulting to advise on funding and business growth, including grant applications

Subject Matter Expertise for PNT, Satellite Communications, Innovation and product development

System evaluation and assessment

Proposal and procurement evaluations

Consulting services to assess your PNT vulnerabilities and system resilience

Assessment and Audit of PNT and other technical capabilities including resilience

PNT research and consultancy

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Latest projects and papers

Thought leadership

PNT Situational Awareness – Thoughts on a structured approach

By Andy Proctor | May 19, 2025

RethinkPNT has published an essay discussing PNT System Resilience and how it can be combined with situational awareness approaches, to achieve PNT Situational Awareness (PNT-SA).

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PNT Roundtable at Farnborough Air Show

By Andy Proctor | August 2, 2024

Last week at the Farnborough International Air Show (FIAS), I was pleased to have the opportunity to chair a Positioning, Navigation and Timing (PNT) roundtable, hosted by QinetiQ. Participants were invited to attend from across the spectrum of Defence PNT, from contract manufacturers and policy makers, to space system providers and large system integrators. This…

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Preparedness and PNT – what do we need to do?

By Andy Proctor | May 16, 2024

The recent FT article by Clara Murray and colleagues on GNSS jamming and spoofing and their impact on civil uses of GNSS, should be congratulated in the way it communicates this serious problem in readable ways. It has some good visualisations to indicate the scale and nature of what is happening in those geographic areas…

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PNT Advisory Group Update

By Andy Proctor | September 25, 2023

A blog with Guy Buesnel for the Royal Institute of Navigation After a recent PNT Advisory Group meeting, the group secretariat and myself composed an update for members. The RIN PNT Advisory Group Executive group meets quarterly and the last meeting main topic was the initial release of the RIN white paper “Recommendations to promote…

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Recent RethinkPNT projects

By Andy Proctor | June 23, 2023

Recent RethinkPNT projects for clients Space sector prime RethinkPNT carried out a PNT capability audit for a space sector client. The client’s problem was a need to understand the PNT capabilities across their whole group and those of their partner groups. We conducted primary and secondary research to understand in detail the business capabilities, them…

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How to achieve PNT System Resilience – A Structured approach

By Andy Proctor | September 18, 2022

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RethinkPNT Submission to the IEEE

By Andy Proctor | June 23, 2022

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Developing a PNT Architecture Framework

By Andy Proctor | May 30, 2022

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