The UK government has announced a £180 million investment to expand the National Timing Centre (NTC), enhancing the country’s resilience against disruptions to Global Navigation Satellite Systems (GNSS). These systems provide critical timing signals for mobile networks, online banking, transport, emergency services, and other national infrastructure but are vulnerable to jamming, cyberattacks, and technical failures. Recent GNSS disruptions, such as those witnessed during the conflict in Ukraine, have highlighted the fragility of satellite-dependent services. A significant GNSS failure in the UK could cost the economy up to £1.4 billion in just 24 hours, emphasizing the need for a sovereign, resilient timing capability.
Led by the National Physical Laboratory, the NTC will expand to develop a robust UK-based timing infrastructure using advanced atomic clocks. The system will deliver free-to-access resilient timing signals via airwaves, internet, and fibre, operate from two dedicated NTC sites, and use a decentralized model to prevent reliance on a single vulnerable source. This upgrade will protect critical sectors, including telecommunications, energy grids, transport systems, and emergency services, ensuring smooth operation even during satellite outages.
The investment also aims to develop the UK workforce in precision timing and atomic clock engineering. Training opportunities will be offered to graduates, apprentices, and future PhD-level specialists, supporting the growth of high-tech skills and innovation. British companies will be able to leverage these capabilities to drive advancements in navigation, next-generation communications, enhanced radar, defence, national security, and space operations.
Atomic clocks, which provide exceptionally stable timing signals, already underpin essential services such as 5G networks, transport signalling, financial transactions, and emergency response systems. By expanding the NTC, the UK will strengthen these capabilities, creating a resilient foundation for future digital innovation. Science Minister Lord Vallance emphasized that precise timekeeping is essential not only for keeping clocks accurate but also for maintaining national security, economic stability, and the smooth functioning of everyday life.







