GNSS Experts

Chronos Technology is recognised as a leading authority in GNSS and  is a specialist supplier and installer of GNSS (GPS, GLONASS, Galileo and BeiDou) simulators, repeaters, receivers, antennas and infrastructure.  Established by Prof Charles Curry in 1986, Chronos is also a world leader in GPS jamming and interference detection and location technology. We work with industry leading suppliers and have long standing relationships with our customers; supplying a variety of sectors including Police, Royal Air Force, Ministry of Defence, Fire & Rescue, Manufacturing, UAV, Agriculture, Automotive, Marine and Telecoms.



GPS installations are a highly specialised skill and Chronos' experienced team of engineers has installed over 1500 GNSS systems in more than 50 countries over the past 30 years.

 Our specialist team has considerable experience in conducting site inspections and installations, even in the most challenging of environments. Whether you require a single site or 200 sites worldwide, we have the skills and expertise to successfully implement and manage your project throughout to meet your requirements, timescale and budget.

GNSS simulators, repeaters, receivers, antennas and infrastructure

Resilient Positioning, Navigation & Timing Products & Solutions

GNSS simulators, repeaters, receivers, antennas and infrastructure

GPS Repeaters - Bringing GNSS Inside your Facility

Chronos is an industry leader in detection and location products and solutions

Issues with GPS Jamming/ GPS Interference?

GNSS Vulnerabilities

The Chronos CTL3520 GNSS Interference Detector and Locator is a handheld, battery operated device designed to detect and swiftly locate the presence of jamming signals from commercially available GPS jammers or too much power or interference broadcast in the GPS (L1) or Galileo (E1) bands.

Chronos CTL3520 Jamming Detector & Locator

News, Events, Blogs

Chronos will exhibit a range of GPS Jamming Detectors, Repeaters and Infrastructure at S&P2020, 3 - 5 March 2020, Farnborough

Security & Policing 2020

Providing higher noise immunity and therefore less interference than copper solutions, RF over fibre is an ideal secure solution for harsh environments

RF Signal Distribution

Chronos supplies a wide range of GNSS antennas to suit military and commercial applications, for a variety of locations, environments and budgets

GPS GNSS Antennas

Chronos supplies and installs Ofcom compliant GPS repeater solutions ensuring no delay acquiring the GPS signal when exiting FRS

GPS Coverage Inside FRS

GPS coverage inside aviation MRO hangars saving time and costs for military jets and commercial airlines

Bringing GPS inside Aviation Hangars

Protects existing GNSS systems from spoofing and jamming threats inside the firewall from untrusted sky-based signals outside the firewall

BlueSky GNSS Firewall

Chronos can provide cm-level accurate GNSS solutions that deliver sub-metre to centimetre accuracy and automated control

GNSS GPS for Precision Agriculture

Enabling repeatable, reliable testing and development of any product or system that utilises GNSS - GPS/GLONASS/BeiDou

GNSS GPS Test & Measurement