RethinkPNT

Rethink the way you view PNT systems and systems engineering

What We Do

We help you solve your business and technical challenges

Independent PNT, Quantum and Space systems consultancy for government and industry.

We support clients in:

  • Resilience and vulnerability assessments and guidance
  • Business strategy as well as sales, marketing, and business development guidance
  • Assurance and Audit
  • Systems Engineering, including requirements engineering
  • Independent assessments
  • Innovation and investment advice
  • Funding and financing

A former UK Government technology investor and Technical Director of the UK Space Agency, means the advice bridges policy, operations, and technology.

 

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).

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…

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…

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…

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…

How to achieve PNT System Resilience – A Structured approach

By Andy Proctor | September 18, 2022

RethinkPNT has made available a paper describing an approach to PNT System Resilience. it is based upon work in the software domain by Donald Firesmith and adapted to a PNT system, including system-of-system, context. This paper proposes that PNT system resilience is an essential attribute of systems that utilise PNT information for any operation, especially…

RethinkPNT Submission to the IEEE

By Andy Proctor | June 23, 2022

RethinkPNT is a member of the IEEE P1952 committee which is looking to define a standard for Resilient PNT User Equipment, encompassing threats and hazards, user equipment models and behaviours and addressing how to categorise equipment to assist people to understand the capability of what they purchase for PNT equipment. Click Here to Download

Developing a PNT Architecture Framework

By Andy Proctor | May 30, 2022

Positioning, Navigation and Timing (PNT) data is integral to the safety, security, and prosperity of nations. However, in most cases the role of PNT services at the Enterprise or even Government/National is not clearly understood, and the degree to which a nation is dependent on PNT services often remains undefined. This paper presents a framework…