Articles in the GNSS Category

Mar 2023 | No Comment

GNSS-based onboard orbit determination can now reach a similar performance as the DORIS (Doppler Orbitography and Radiopositioning Integrated by Satellite) navigation system. It lends itself as a viable alternative for future remote sensing missions

Oliver Montenbruck

Deutsches Zentrum für Luft‑ und Raumfahrt (DLR), German Space Operations Center, 82234 Wessling, Germany

Florian Kunzi

Deutsches Zentrum für Luft‑ und Raumfahrt (DLR), …

Jul 2022 | No Comment

The EN16803 series of standards is designed to help users make better choices and simplify the integration of satellite technologies into onboard systems

Xavier Leblan

GUIDE-GNSS, Toulouse, France

Giuseppe ROTONDO

GUIDE-GNSS, Toulouse, France

Miguel Ortiz

Université Gustave Eiffel, Nantes, France

Christelle Dulery

CNES (French Space Agency), Toulouse, France

The geolocation field has acquired a reference methodology that is essential for evaluating and characterizing …

Mar 2022 | No Comment

This paper gives an overview of the activities related to CORS being carried out by various entities in India.

Subhalakshmi Krishnamoorthy

Deputy Director [Retd], ISRO Telemetry Tracking and Command Network, Indian Space Research Organisation, Bangalore

Continuously Operating Reference Stations (CORS) is a network of stations that provide global navigation satellite system data consisting of carrier phase and …

Oct 2021 | No Comment

A number of challenges lie ahead when it comes to developing international standards for resilience

Guy Buesnel

PNT Security Technologist, Spirent

How the world became dependent on GNSS for PNT
The arrival of GPS kick-started a revolution. Using GPS was a cheap and reliable method of obtaining precise time and accurate position fixes globally. This revolution really accelerated when …

Aug 2021 | No Comment

The Department of Space, Government of India has the primary responsibility of promoting the development of space science, technology and applications towards achieving self-reliance and facilitating in all round development of the nation. The report narrates all the major activities of the department including navigation, earth observation and Gaganyaan

Department Of Space (DOS), Government of India …

Jun 2021 | No Comment

European Railway Traffic Management System (ERTMS) is the European standard for the Automatic Train Protection (ATP) and command and control systems. ERTMS is a safety system enforcing compliance from trains with speed restrictions and signalling status….

Apr 2021 | No Comment

Free Resources to Protect Critical Infrastructure From GPS Spoofing
The Department of Homeland Security (DHS) Science and Technology Directorate (S&T) has published the Positioning, Navigation, and Timing (PNT) Integrity Library and Epsilon Algorithm Suite to protect against Global Navigation Satellite System (GNSS) spoofing, or deceiving a Global Positioning System (GPS) device through false signals. These …

Dec 2020 | No Comment

All Americans benefit from a competitive 5G landscape, and that goal can be achieved without undermining U.S. Global Positioning System receivers and devices

J. David Grossman

Executive Director of the GPS Innovation Alliance

The “race to 5G” continues to dominate news headlines, congressional hearings and the attention of U.S. federal agencies — and rightfully so. With faster speeds, …

Dec 2020 | No Comment

In addition to 3D mapping aided corrections, we continue to work hard to make location as accurate and useful as possible

Frank van Diggelen

Principal Engineer, Google

Jennifer Wang

Product Manager, Google

At Android, we want to make it as easy as possible for developers to create the most helpful apps for their users. That’s why we aim to provide …

Dec 2020 | No Comment

The Horizon 2020 (H2020) GREENPATROL project has developed an autonomous robotic solution that has the ability to navigate inside greenhouses while performing early pest detection and control tasks. This paper describes the main developments…