--- title: About us | AD Navigation --- [![](https://adnavigation.com/hubfs/Visual%20profile/Logo/ad-navigation-light.svg)](https://adnavigation.com/?hsLang=en) - [Products](https://adnavigation.com/products?hsLang=en) - [Applications](https://adnavigation.com/applications?hsLang=en) - [Case studies](https://adnavigation.com/case-studies?hsLang=en) - [News & updates](https://adnavigation.com/news-updates?hsLang=en) - [About](https://adnavigation.com/about-us) [Contact](https://adnavigation.com/contact-us?hsLang=en) search menu search - [Products](https://adnavigation.com/products?hsLang=en) - [Applications](https://adnavigation.com/applications?hsLang=en) - [Case studies](https://adnavigation.com/case-studies?hsLang=en) - [News & updates](https://adnavigation.com/news-updates?hsLang=en) - [About](https://adnavigation.com/about-us) search ![2b941989-815d-4eb9-890a-0d11c25acf4e](https://adnavigation.com/hubfs/2b941989-815d-4eb9-890a-0d11c25acf4e.jpeg) # Innovative Experts in Precise GNSS Navigation and Positioning [Contact us](https://adnavigation.com/contact-us?hsLang=en) # Innovative Experts in Precise GNSS Navigation and Positioning [Contact us](https://adnavigation.com/contact-us?hsLang=en) #### **AD Navigation employs a team of uncompromising professionals, all of whom have a passion for high-tech navigation.** ### Vision To be the trusted global partner in digital maritime navigation—advancing safety, sustainability, and operational excellence through smart pilotage systems, offshore solutions, and customized innovations. ### Mission To transform maritime operations by delivering advanced, user-driven navigation technologies that enhance decision-making, reduce environmental impact, and support safe vessel movements in all conditions. Founded in **2002** by **Lorentz Ryan** in **Sarpsborg, Norway**, **AD Navigation AS** has grown from a pioneering startup into a trusted leader in precision navigation systems. Our mission has remained constant: to provide innovative, high-performance tools that meet the demanding needs of pilots, ports, and offshore operators worldwide. Our early products quickly gained traction with major clients, leading to our inclusion in the **HITT Group of companies** in 2005. Since **May 2018**, AD Navigation has been proudly **privately owned**, continuing to focus on innovation and close customer collaboration. Today, our **headquarters in Tønsberg, Norway**, located near the harbour, houses both our **development lab** and a **live lab** onboard local ferries—ensuring real-world testing and continuous product refinement. Through strong, long-term partnerships with key users, we have developed and delivered **state-of-the-art solutions** for a wide range of maritime applications. These include **hydrography**, **dredging positioning**, and **portable navigation systems for pilots**—each designed with precision, reliability, and adaptability at their core. [Contact us](https://adnavigation.com/contact-us?hsLang=en) [Feedback](https://2ev2ze.share-eu1.hsforms.com/2sWEv1G5zT1md0Y7faytOhA) [Our clients](https://adnavigation.com/about-us/our-clients?hsLang=en) ## Our core values ### Precision First We believe navigation is only as powerful as it is accurate. Our commitment to precision ensures dependable solutions that our clients can trust — every time, everywhere. ### Innovation with Purpose Technology moves fast, but we move with intention. Our innovations are designed to solve real-world challenges, making navigation smarter, safer, and more efficient. ### Partnership-Driven Progress We don’t just work for our clients — we work with them. By fostering strong collaborations across industries, we create solutions that are aligned, adaptive, and built for long-term success. ## Timeline: A Quest for Perfection Our product milestones - as we keep moving forward. ![2015](https://adnavigation.com/hubfs/Timeline/2015.jpg) 2015 ## ADX DUO The first ever 100% wireless “two pod” PPU system. The ADX DUO is designed with accuracy and reliability in mind, but at a lower price point in order to accommodate the requirements for safe and efficient harbor/channel navigation of Panamax (or smaller) vessels. ![2011](https://adnavigation.com/hubfs/Timeline/2011.jpg) 2011 ## ADX XR The first ever 100% wireless and lightweight PPU system. It was developed in close cooperation with Dutch and Belgium Pilots, and operates independent of any ship sensor. Due to the wireless concept along with great features added from previous developments, the ADX XR is by far the most accurate and reliable PPU system in the marketplace, Hundreds of ADX XR system has been supplied to all continents, and many Pilot Organizations are putting a lot of trust into the PPU as an important part of the port’s infrastructure. ![2008](https://adnavigation.com/hubfs/Timeline/2008.jpg) 2008 ## ADX Trim The most accurate system to measure vessel trim in real-time during the voyage. Trim measurements to the level of 2-3 cm is typical, and the data are most valuable to optimization the attitude in terms of fuel consumption ![2006](https://adnavigation.com/hubfs/Timeline/2006.jpg) 2006 ## ADQ1 – by far, the most advanced Wireless Pilot Plug connector at that time. The purpose of the product is to bridge AIS information from the pilot plug of the vessel and to the pilot’s laptop via WLAN. ![ADX PPU](https://adnavigation.com/hubfs/Timeline/2005.jpg) 2005 ## ADX PPU – the first portable navigation system designed for Pilots (PPU) based on GPS/GLONASS L1/L2 RTK, giving 1 cm positioning and speed performance. Also equipped with high-end Fiber Optic Gyro, the ADX PPU was the first ever PPU working sufficiently accurate and reliable in accordance to the demanding specifications of the Dutch Pilot Organization. ADX is approved by Dutch authorities and mandatory for pilots when the biggest vessels are approaching Dutch ports. ![2004](https://adnavigation.com/hubfs/Timeline/2004.jpg) 2004 ## DC200 RTK system –the first GPS/GLONASS L1/L2 RTK receiver for maritime positioning. Reliable positioning at 1 cm level. The DC200 system has since release been supplied to many Hydrographers and major Dredging companies such as Boskalis, Dredging International and Van Oord. ![ad-navigation-light](https://adnavigation.com/hubfs/Visual%20profile/Logo/ad-navigation-light.svg "ad-navigation-light") AD Navigation AS Semsbyveien 124 N-3170 Sem, Norway Tel: [+47 69 25 33 00](tel:004769253300) [info@adnavigation.com](mailto:info@adnavigation.com) [Contact](https://adnavigation.com/contact-us?hsLang=en) [Products](https://adnavigation.com/products?hsLang=en) [Applications](https://adnavigation.com/applications?hsLang=en) [Case Studies](https://adnavigation.com/case-studies?hsLang=en) [News](https://adnavigation.com/news-updates?hsLang=en) [About us](https://adnavigation.com/about-us) [Privacy Policy and Terms of Use](https://adnavigation.com/privacy-policy-and-terms-of-use?hsLang=en) [Use of Cookies](https://adnavigation.com/use-of-cookies?hsLang=en) Cookie Settings © AD Navigation AS - Specialists in Precise GNSS Systems