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GMV NSL is pleased to announce that it has commenced the ANGELOS project with the European Space Agency (ESA)


9th November 2020


GMV NSL is pleased to announce that it has commenced the ANGELOS (AugmeNting GNSS to PrEvent Loss Of Service) project with the European Space Agency (ESA).

The project, a preliminary concept study, was awarded to GMV NSL following its initiative in answer to ESA’s open call for proposal on ‘Enabling Harbour to Harbour Autonomous Shipping’ (via ESA’s Open Space Innovation Platform). The project will explore the concept of global infrastructure providing Positioning, Navigation and Timing (PNT) services for critical applications in the maritime domain through a combination of space-based and terrestrial systems. It will be based on the maritime R-mode positioning concept (involving transmission of timely synchronised ranging signals using communications channels of existing maritime radio infrastructure) applied to the VHF Data Exchange System (VDES), which will encompass Automatic Identification System (AIS) and add new maritime VHF communication channels. GMV NSL is working with the GLA Research and Development (GRAD) directorate of the General Lighthouse Authorities (GLA) of the UK and Ireland to deliver ANGELOS.

This feasibility study will investigate the use of R-mode on a satellite component of VDES (VDE-SAT), together with a terrestrial component (VDE-TER). Given the relative maturity of VDE-TER R-mode, the study will focus on the VDE-SAT case. The objectives of the satellite component of VDES R-mode will be to complement the terrestrial component, considering its weaknesses and threats. The VDE-SAT concept may be based on a Low Earth Orbit (LEO) constellation using CubeSats. The cost of CubeSats has exponentially decreased in recent years, and so will enable a new service concept delivery.

The ANGELOS concept differs from other potential solutions (such as eLoran and Satelles) in that it is designed to achieve maximum/optimal compatibility with GNSS technology to support ease of introduction and acceptance. It is aligned with the interests of the maritime domain, as leaders in the drive for a backup PNT system but will also serve the needs of other domains such as Critical National Infrastructure (CNI). ANGELOS aims to ensure that a VDES R-mode system benefits from the GNSS receiver industry in order to make the solution acceptable to the market and to become the de-facto standard as the solution of choice for augmentation to GNSS for those applications that require uninterrupted access to PNT.



  1. More information about Enabling Harbour to Harbour Autonomous Shipping’ on OSIP: https://www.esa.int/Enabling_Support/Space_Engineering_Technology/Seeking_innovative_ideas_space_for_the_oceans
  2. More information about ESA’s Open Space Innovation Platform: ideas.esa.int
  3. The PDF version of this press release is available here

Notes to editors:

  1. GMV NSL, part of the GMV group, is a UK based company with offices in Nottingham and Harwell specialising in Aerospace, Defence and Security, Robotics, Automotive and  Telecommunications.
  2. For GMV NSL media enquiries please contact William Roberts via email at This email address is being protected from spambots. You need JavaScript enabled to view it..





Space data’s new place in landslide monitoring



23rd September 2020


In recent months Scotland has seen a number of high-profile landslips, including the train derailment near Stonehaven that tragically led to loss of life, and multiple road blockages along the famous A83 Rest and Be Thankful pass through the Highlands. Whilst these sites are actively monitored and managed by geotechnical engineers, there is a role for Space in delivering information that can’t be obtained from solely land-based equipment.


‘LiveLand’ is a European Space Agency (ESA) Space Solutions project that has developed innovative ways to monitor, measure and assess geological hazards by integrating Earth Observation data and Global Navigation Satellite Systems (GNSS). The service combines data collected from a number of space and geological assets: LiveLand is currently working with Network Rail (Scotland) and Transport Scotland, the organisations responsible for the rail and road infrastructures of Scotland. The current and final stages of LiveLand is increasing the technology readiness level of the GNSS devices, branded as ‘STICKs’. These devices are in situ sensors that combine GNSS and IMU (Inertial Measurement Unit – or ‘motion sensor’) technologies to determine long-term movements to millimetric accuracies and to provide immediate alerts when sudden larger movements are detected.


Read more in the article published on ESA's Business Applications website here.

To find out more about our Land and Infrastructure Monitoring system 'STICK', click here.




FLAMINGO features on the cover of insidegnss insider!



16th April 2020

The InsideGNSS article discusses the methodology that has been developed as part of the FLAMINGO initiative, which provides real-time PPP and RTK GNSS positioning on smartphones and IoT devices. The article also explores the application of PPP as a real-time positioning service on the smartphone. The FLAMINGO service has achieved sub-meter positioning accuracies (below the 50 cm benchmark) in real-time. However, whilst PPP is operational for IoT devices that use dedicated GNSS modules, for the smartphone this high accuracy service is RTK-based and reliant on base station infrastructure within approximately 30 km of the user. This article describes our research findings implementing and testing the various freely available PPP products for Smartphone positioning.


Picture2  european global navigation satelite system horizon 2020