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 GPS repeaters for military, commercial and portable applications; expert installations

GPS Repeaters - Bringing GPS Inside your Facility

Chronos is an industry leader in GPS jamming 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 has been successfully supplying and supporting critical national infrastructure for over 30 years and will continue to do so during this challenging time

Coronavirus Policy

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

Chris Boulton discusses why it is important to have an expert fit your GPS repeater installation explaining how things can go wrong

BLOG: GPS Repeating

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

Chris Farrow discusses protecting GNSS systems from spoofing and jamming threats from untrusted sky-based signals

Video: 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

Septentrio has designed and developed a number of OEM receiver boards especially for use inside unmanned systems

Unmanned Systems Receiver Boards