Generated by All in One SEO v4.9.10, this is an llms.txt file, used by LLMs to index the site. # GSSC Fostering science collaboration in GNSS ## Sitemaps - [XML Sitemap](https://gssc.esa.int/sitemap.xml): Contains all public & indexable URLs for this website. ## News - [News](https://gssc.esa.int/news/) - [Reference Orbit files for the Genesis scientific community](https://gssc.esa.int/news/genesis-mission-reference-orbit/) - The reference orbital elements for the Genesis satellite mission have been published - [Reference Products files for the Genesis scientific community (PDR baseline)](https://gssc.esa.int/news/reference-products-files-for-the-genesis-scientific-community-pdr-baseline/) - The PROcessing, Archiving and Dissemination Centre (PROAD), consisting of the ESA Navigation Support Office facilities in Darmstadt (Germany) for the processing part, and the ESA GNSS Science Support Centre (GSSC) in Madrid (Spain) for the archiving and distribution part, is happy to announce that the repository for the Reference Orbit and Attitude files is available in the - [GSSC Now 2.1.0 Released](https://gssc.esa.int/news/gssc-now-2-1-0-released/) - We are pleased to announce the release of GSSC Now 2.1.0, an update focused on improving stability, expanding data accessibility, and enhancing the overall user experience across the platform. This release includes: Security and stability updates across the platform. Availability of DORIS and VLBI data on the GSSC FTP service. A new version of the GNSS Ground Stations Map. An improved network - [GSSC celebrates a year of milestones and achievements in 2025](https://gssc.esa.int/news/gssc-celebrates-a-year-of-milestones-and-achievements-in-2025/) - As 2025 comes to a close, it's time to reflect on another year of growth, innovation, and collaboration at ESA's GNSS Science Support Centre (GSSC). Starting the year with an ambitious roadmap, we worked together to deliver key advancements that continue strengthening our services. Here are some of the major highlights from 2025: 1. GSSC - [GSSC Now 2.0.0 Released: Key Enhancements and Updates](https://gssc.esa.int/news/gssc-now-2-0-0-released-key-enhancements-and-updates/) - We are pleased to announce the release of GSSC Now 2.0.0. This update brings improvements in performance, usability, and data management to support your daily work with the GSSC Now platform. Key highlights of this release include: Performance & Infrastructure: Optimisations and server upgrades for better reliability. User Interface & Workflow: Updated interface and improved navigation for easier use. Data - [ESA Open Day 2025: A Day to Remember Inside the GSSC Operations Room](https://gssc.esa.int/news/esa-open-day-2025-a-day-to-remember-inside-the-gssc-operations-room/) - On Saturday, 4 October, the GNSS Science Support Centre (GSSC) opened its doors to the general public for the third time. The event was part of ESA's annual Open Day at ESAC, which invites the public to go behind the scenes and meet the people and missions shaping Europe's role in space exploration. Under the theme "Expanding the Frontiers of - [GSSC Now 1.6.0 Release: Officially Operational](https://gssc.esa.int/news/gssc-now-1-6-0-release-officially-operational/) - We are excited to announce the release of GSSC Now 1.6.0, marking a significant milestone as GSSC Now is now officially considered operational. - [Galileo General Relativity tests published](https://gssc.esa.int/news/galileo-general-relativity-tests-published/) - Galileo General Relativity tests have been published on the Physical Review Letters journal - [GNSS Real-Time data streaming is now available from GSSC!](https://gssc.esa.int/news/gnss-real-time-data-streaming-is-now-available-from-gssc/) - The GSSC NTRIP service provides data from different stations covering the whole globe and all the constellations. - [Explore What's New in GSSC Now 1.5.0: Key Updates & Enhancements](https://gssc.esa.int/news/explore-whats-new-in-gssc-now-1-5-0-key-updates-enhancements/) - GSSC Now keeps evolving with new features and enhancements designed to improve usability, performance, and data accessibility. This release includes key enhancements, including a new resource formats area on the website that details the resource formats hosted in GSSC, explore it here. Additionally, it brings performance optimisations, bug fixes, and improvements in security, stability, and - [Discover What's New in GSSC Now 1.4.0: Latest Release Highlights](https://gssc.esa.int/news/discover-whats-new-in-gssc-now-1-4-0-latest-release-highlights/) - GSSC Now continues to evolve with new features and improvements aimed at enhancing usability, performance, and data accessibility. Key Enhancements: Revamped platform: fresh look and improved user experience for better navigation and efficiency. Optimised performance & scalability: new cluster deployment enhances system performance, reduces costs, and simplifies maintenance. Improved monitoring & automation: enhanced dashboards and - [GSSC looks back on a year of key achievements and team success](https://gssc.esa.int/news/gssc-looks-back-on-a-year-of-key-achievements-and-team-success/) - As 2024 comes to a close, it's time to reflect on ESA’s GNSS Science Support Centre (GSSC) achievements. We began the year with an ambitious roadmap full of challenges, and, working together, we've made it an incredible journey. Here are some of the highlights: Kick-off of our collaboration with ESA's GENESIS mission, with GSSC playing - [Proceedings of the 9th GNSS Scientific Colloquium Now Available!](https://gssc.esa.int/news/proceedings-of-the-9th-gnss-scientific-colloquium-now-available/) - The European Space Agency (ESA) has announced the release of the proceedings from the 9th International Colloquium on Scientific and Fundamental Aspects of GNSS, held in Wrocław, Poland, earlier this year. The event brought together experts and researchers to discuss advancements and applications of GNSS, with a particular focus on Galileo and Lunar navigation. The comprehensive - [New RINEX Version 4.02 Released by IGS](https://gssc.esa.int/news/new-rinex-version-4-02-released-by-igs/) - New RINEX Version 4.02 Released by IGS - [Discover What's New in GSSC Now Release 1.3.0](https://gssc.esa.int/news/discover-whats-new-in-gssc-now-release-1-3-0/) - Latest release of ESA GNSS Science Exploitation Platform, GSSC Now 1.3.0, packed with new features and enhancements. - [The 9th GNSS Science Colloquium Concludes with Key Advances in Space Navigation and Scientific Exploration](https://gssc.esa.int/news/the-9th-gnss-science-colloquium-concludes-with-key-advances-in-space-navigation-and-scientific-exploration/) - ESA GSSC participated in the 9th GNSS Science Colloquium in Wroclaw, Poland. - [Discover What's New in GSSC Now Release 1.2.0](https://gssc.esa.int/news/discover-whats-new-in-gssc-now-release-1-2-0/) - We are excited to announce the latest release of the ESA GNSS Science Exploitation Platform, GSSC Now 1.2.0, packed with exciting new features and enhancements. - [ESA's GSSC Showcases Innovations at IGS 2024 Workshop](https://gssc.esa.int/news/esas-gssc-showcases-innovations-at-igs-2024-workshop/) - ESA GSSC participated in the 30th IGS Workshop from 1-4th of July in Bern, Switzerland. - [GENESIS mission meets scientific community!](https://gssc.esa.int/news/genesis-mission-meets-scientific-community/) - On February 2024, the GENESIS science workshop brought together GENESIS project team and global geodesy experts to define scientific objectives and operational strategies for the GENESIS mission. - [Play back GSSC Now Webinar: process GNSS data from affordable receivers for iono monitoring](https://gssc.esa.int/news/play-back-our-gssc-now-webinar-on-how-to-process-gnss-data-from-affordable-receivers-for-ionospheric-monitoring/) - The ESA's GNSS Science Support Centre (GSSC) recently concluded its webinar, "GSSC Now Webinar: Exploring ESA's Navigation Digital Platform", held on 29th November 2023, offering an immersive insight into GSSC Now advanced digital platform. - [Read the GSSC Now paper on Navigation's Digital Transformation!](https://gssc.esa.int/news/read-the-gssc-now-paper-on-navigations-digital-transformation/) - We are thrilled to announce the publication of our research paper, titled "GSSC Now: ESA Thematic exploitation platform for navigation digital transformation. Enhancing GNSS scientific research" in the journal of Advances in Space Research. - [GSSC Now Webinar: Processing GNSS data from affordable receivers for ionospheric monitoring](https://gssc.esa.int/news/gssc-now-webinar-processing-gnss-data-from-affordable-receivers-for-ionospheric-monitoring/) - The ESA's GNSS Science Support Centre (GSSC) is excited to invite all enthusiasts and professionals to join their upcoming webinar, titled "GSSC Now Webinar: Processing GNSS data from affordable receivers for ionospheric monitoring". - [Explore the Latest Features in GSSC Now Release 1.1.0](https://gssc.esa.int/news/explore-the-latest-features-in-gssc-now-release-1-1-0/) - We are excited to announce the latest release of the ESA GNSS Science Exploitation Platform, GSSC Now 1.1.0, packed with exciting new features and enhancements. - [9th International Colloquium on Scientific and Fundamental Aspects of GNSS](https://gssc.esa.int/news/9th-international-colloquium-on-scientific-and-fundamental-aspects-of-gnss/) - The 9th edition of the International Colloquium on Scientific and Fundamental Aspects of GNSS will be held in Wrocław, Poland from 25 to 27 September 2024. - [More than 250 million GNSS assets at hand in GSSC Now!](https://gssc.esa.int/news/more-than-250-million-gnss-assets-at-hand-in-gssc-now/) - GSSC team is happy to announce that more than 250 million of GNSS public assets are now available in GSSC Now. - [GSSC Now Webinar: presentations and videos now available](https://gssc.esa.int/news/gssc-now-webinar-presentations-and-videos-now-available/) - The ESA's GNSS Science Support Centre (GSSC) recently concluded its webinar, "GSSC Now Webinar: Exploring ESA's Navigation Digital Platform", held on 29th November 2023, offering an immersive insight into GSSC Now advanced digital platform. - [Discover What's New in GSSC Now Release 1.0.0](https://gssc.esa.int/news/discover-whats-new-in-gssc-now-release-1-0-0/) - We are excited to announce the latest release of the ESA GNSS Science Exploitation Platform, GSSC Now 1.0.0, packed with exciting new features and enhancements. - [AMIC project data now available in GSSC](https://gssc.esa.int/news/amic-project-data-now-available-in-gssc/) - ESA’s AMIC initiative, led by Rokubun in collaboration with ICTP, addresses a critical challenge in GNSS-based monitoring of Earth's Ionosphere and troposphere: the lack of coverage in remote regions like deserts, oceans, and inaccessible areas. Establishing receivers in these locations poses logistical and financial complexities due to potential equipment loss or damage, along with costly maintenance efforts. - [New ESA MONITOR dataset available in GSSC Now](https://gssc.esa.int/news/new-esa-monitor-dataset-available-in-gssc-now/) - The GSSC team is proud to announce the addition of the ESA MONITOR dataset to the GSSC Now platform. MONITOR is a project of the European Space Agency dedicated to understanding the impact of ionospheric effects on GNSS systems such as EGNOS and Galileo. The ESA MONITOR network is composed of high-frequency-sampling global navigation satellite - [GSSC Now Webinar: Exploring ESA's Navigation Digital Platform](https://gssc.esa.int/news/gssc-now-webinar-exploring-esas-navigation-digital-platform/) - The ESA's GNSS Science Support Centre (GSSC) is excited to invite all enthusiasts and professionals to join their upcoming webinar, titled "GSSC Now Webinar: Exploring ESA's Navigation Digital Platform". - [GSSC's website revamped: Redefining GNSS Science with a Fresh Look and Enhanced User Experience](https://gssc.esa.int/news/gsscs-website-revamped-redefining-gnss-science-with-a-fresh-look-and-enhanced-user-experience/) - You may have noticed that the ESA GNSS Science Support Centre (GSSC) website is looking a bit different. That’s because we have made some changes to improve the overall usability of the site and to freshen up the look and feel. - [Discover What's New in GSSC Now Release 0.8.0](https://gssc.esa.int/news/discover-whats-new-in-gssc-now-release-0-8-0/) - We are excited to announce the latest release of the ESA GNSS Science Exploitation Platform, GSSC Now 0.8.0, packed with exciting new features and enhancements. - [GSSC NOW Users Survey 2023 is now open!](https://gssc.esa.int/news/gssc-now-users-survey-2023-is-now-open/) - The GSSC is launching the GSSC NOW Users Survey 2023 to better understand the needs of the Navigation community and improve their services. This survey aims to gather information about users' backgrounds, the GSSC features they use, satisfaction levels, and suggestions for new products. - [Released first DOI minted by GSSC](https://gssc.esa.int/news/gssc-starts-the-use-of-dois-to-identify-its-assets/) - The GSSC has now taken a big step forward and is becoming DOI-aware. Today we are launching the first DOI in the GSSC: the DOI for our public 7 day GREAT dataset. - [Adam Mickiewicz University from Poznań visits GSSC](https://gssc.esa.int/news/faculty-of-mathematics-and-computer-science-of-adam-mickiewicz-university-in-poznan-visits-gssc/) - At the heart of ESA GNSS Science Support Centre (GSSC) there is a shared vision of bridging knowledge and innovation. Therefore, we are thrilled to share that a group from the Faculty of Mathematics and Computer Science at Adam Mickiewicz University (UAM) in Poznań, Poland, led by Professor Jacek Marciniak and Dean Krzysztof Dyczkowski, recently visited the GSSC at ESAC in Madrid. - [Discover What's New in GSSC Now Release 0.6.0](https://gssc.esa.int/news/discover-whats-new-in-gssc-now-release-0-6-0/) - The latest release of the ESA GNSS Science Exploitation Platform, GSSC Now 0.6.0, packed with exciting new features and enhancements. - [GSSC Now Integrates Camaliot1 Datalabs for Troposphere and Ionosphere Modelling](https://gssc.esa.int/news/camaliot1-datalabs-now-accessible-on-gssc-platform/) - Camaliot1 datalabs are now accessible from GNSS Now. They enable the characterization of the ionosphere and troposphere using raw GNSS data from smartphones. The results of both analyses were validated against data derived from geodetic GNSS receivers and advanced ionospheric maps for Total Electron Content (TEC) in the case of ionospheric characterization. - ['Ruta 179' from Spanish TV Telemadrid visited ESAC](https://gssc.esa.int/news/ruta-179-from-spanish-tv-telemadrid-visited-esac/) - The Spanish TV channel Telemadrid, visited the European Space Astronomy Centre (ESAC) to learn about the activities of this centre of the European Space Agency (ESA) in Madrid. - [Explore more than 200 million GNSS assets with GSSC Now!](https://gssc.esa.int/news/explore-more-than-200-million-gnss-assets-with-gssc-now/) - We are thrilled to announce that GSSC Now has reached a major milestone. You can now access over 200 million GNSS public assets, marking a significant step forward in our efforts to provide the scientific community with cutting-edge GNSS research capabilities. - [Discover the New Features in GSSC Now 0.5.0!](https://gssc.esa.int/news/discover-the-new-features-in-gssc-now-0-5-0/) - The ESA GNSS Science Exploitation Platform, GSSC Now 0.5.0, was released on March 8, 2023 with new and updated features, more GNSS assets and scientific tools, called datalabs. - [ESA, ICTP and Rokubun team up to improve GNSS data availability in remote areas through GSSC](https://gssc.esa.int/news/esa-ictp-and-rokubun-team-up-to-improve-gnss-data-availability-in-remote-areas-through-gssc/) - One of the main problems for Earth ionosphere and troposphere monitoring using GNSS is the lack of coverage in remote areas such as deserts and oceans. Deploying high-end geodetic GNSS receivers in those areas involves risks and operating agencies are usually reluctant to do so in part due to its price tag, typically above 10k€, as well as the maintenance costs associated with the deployment difficulties. - [Green light for GENESIS FutureNAV's mission](https://gssc.esa.int/news/green-light-for-genesis-futurenavs-mission/) - It is planned that the Navigation Science Office supports the GENESIS mission through the GSSC facility. The GSSC will support the GENESIS science operations as Data exploitation centre, working in close coordination with the Navigation Support Office at ESOC, acting as GENESIS Data Processing centre, and the GENESIS Scientific community. - [GNSS Science 8th Colloquium: Proceedings now available](https://gssc.esa.int/news/gnss-science-8th-colloquium-proceedings-now-available/) - The ESA GNSS Science Support Centre is pleased to announce that all papers and presentations from the 8th International Colloquium on Scientific and Fundamental Aspects of GNSS are now available for download. - [GSSC Now 0.4.0 Released, This is What's New](https://gssc.esa.int/news/gssc-now-0-4-0-released-this-is-whats-new/) - The ESA GNSS Science Exploitation Platform, GSSC Now 0.4.0, was released on December 1, 2022 with new and updated features, more GNSS assets and scientific tools (called datalabs). - [ESA'S GENESIS MISSION: ENHANCING PRECISE POSITIONING](https://gssc.esa.int/news/esas-genesis-mission-enhancing-precise-positioning/) - ESA's Directorate of Navigation is planning a new mission, called GENESIS, whose results will enable the generation of an updated global model of Earth, aiming at supporting the production of a more accurate ITRF. - [UbiSAP and GSSC Now, joining forces for data fusion at scale](https://gssc.esa.int/news/ubisap-and-gssc-now-joining-forces-for-data-fusion-at-scale/) - With Ubisap providing a single platform to manage data and its processing, users can search, discover and request data analysis at the data location, or at an external federated platform. - [Galileo - a new tool for science](https://gssc.esa.int/news/galileo-a-new-tool-for-science/) - Every moment of every day, Europe's constellation of Galileo navigation satellites that ring our planet transmits precisely shaped and timed signals, down through the atmosphere, reflecting back from Earth’s land, seas and ice and extending far out into space, as far as the Moon. - [GSSC Now, explore more than 100 million GNSS assets](https://gssc.esa.int/news/gssc-now-explore-more-than-100-million-gnss-assets/) - More than 100 million GNSS public assets available in our GNSS Science Exploitation Platform, GSSC Now, a facility of ESA's Navigation Science Office. - [CAMALIOT Project Launches Mobile App for Raw GNSS Data Collection through Crowdsourcing!](https://gssc.esa.int/news/camaliot-project-launches-mobile-app-for-raw-gnss-data-collection-through-crowdsourcing/) - A newly released Android app will turn your smartphone into an instrument for crowdsourced science. Leave it by your window each night with your satnav positioning turned on and your phone will record small variations in satellite signals, gathering data for machine learning analysis of meteorology and space weather patterns. - [GSSC Now, GNSS Datasets and Datalabs Anywhere!](https://gssc.esa.int/news/gssc-now-gnss-datasets-and-datalabs-anywhere/) - Following completion of the Private Beta Campaign in February 2022, we are excited to officially announce the launch of the first public beta release of our GNSS Thematic Exploitation Platform - GSSC Now. - [8th International Colloquium on Scientific and Fundamental Aspects of GNSS](https://gssc.esa.int/news/8th-international-colloquium-on-scientific-and-fundamental-aspects-of-gnss/) - The 8th edition of the International Colloquium on Scientific and Fundamental Aspects of GNSS will be held in Sofia, Bulgaria from 14 to 16 September 2022. - [GSSC's New Beginning, GNSS Thematic Exploitation Platform](https://gssc.esa.int/news/gsscs-new-beginning-gnss-thematic-exploitation-platform/) - Launch of the GSSC Thematic Exploitation Platform - Private Beta to promote scientific collaboration and research. - [UPC clock estimation collection is now available!](https://gssc.esa.int/news/upc-clock-estimation-collection-is-now-available/) - New GREAT project data product is now available: 1 year of continuous clock data using a new algorithm developed by gAGE/UPC under a contract funded by ESA’s Navigation Science Office. - [CAMALIOT Project kick-offs successfully achieved](https://gssc.esa.int/news/camaliot-project-kick-offs-successfully-achieved/) - GNSS infrastructure has been growing significantly in recent years. In the space segment, four global constellations are operational, including the European Galileo system. On ground, tens of thousands of permanent GNSS stations are continuously recording data. In addition, millions of Internet-of-things (IoT) devices, including smartphones, use GNSS for positioning. Due to the large number of - [ESA-JRC International Summer School on GNSS 2021 postponed to 2022](https://gssc.esa.int/news/esa-jrc-international-summer-school-gnss-2020/) - Organized by the European Space Agency (ESA) and the Joint Research Centre (JRC), with the collaboration of the Institute of Space Technology and Space Applications of the Universität der Bundeswehr München, the Polish Space Agency and several external sponsors, the ESA-JRC International Summer School on GNSS 2021 has been postponed to 18-29 July 2022, in view - [GREAT project deliverables available from GSSC](https://gssc.esa.int/news/projectgreat/) - GREAT project public deliverables for one week can be publicly downloaded from GSSC - [GESTA project expedition arrives Plateau Station](https://gssc.esa.int/news/gesta-project-expedition-arrives-plateau-station/) - The Galileo Experimentation & Scientific Tests in Antarctica (GESTA) project expedition arrives Plateau Station (Lat: -79.35 Long: 33.54). - [Call for Ideas for GNSS Evolutions](https://gssc.esa.int/news/call-for-ideas-for-gnss-evolutions-novel-on-board-clocks-technologies-scientific-payloads-and-scientific-activities/) - Call for Ideas for GNSS Evolutions Novel On-Board Clocks Technologies, Scientific Payloads and Scientific Activities - [ESA/JRC International Summer School on GNSS 2019](https://gssc.esa.int/news/esa-jrc-international-summer-school-on-gnss-2019/) - ESA/JRC International Summer School on GNSS 2019 - [PULCHRON, a Pulsar timescale demonstration](https://gssc.esa.int/news/pulchron-a-pulsar-timescale-demonstration/) - The Project PULCHRON provides an independent timescale based on pulsars. - [Galileo Satellite Metadata updated by the GSA](https://gssc.esa.int/news/galileo-metadata-updated/) - The European GNSS Service Centre (GSC) web portal has published updated Galileo satellite metadata. - [7th International Colloquium on Scientific and Fundamental Aspects of GNSS](https://gssc.esa.int/news/gnss-colloquium-2019/) - The seventh edition of the International Colloquium on Scientific and Fundamental Aspects of GNSS was held in Zurich from 4 to 6 September 2019 with a great scientific return across several fields. - [CubeSat finds its way in space with Galileo receiver](https://gssc.esa.int/news/news-cubesat-with-galileo-receiver/) - An ETH Zurich mission, supported by ESA, has used Galileo to obtain position and timing fixes in orbit for the first time. - [GNSS Science 7th Colloquium: Proceedings now available](https://gssc.esa.int/news/gnss-science-7th-colloquium-available/) - Last September, the 7th GNSS Science colloquium brought together several members of the European scientific community and their international partners involved in the use of Galileo and other GNSS satellites. As from March 2020 all the colloquium proceedings are available on the GNSS Science Support Centre’s website - [GNSS for crisis](https://gssc.esa.int/news/gnss-for-crisis/) - As the measures of the lockdown, due to the COVID-19 pandemic, are starting to slow down and society is getting ready for the recovery and the ‘return to routine’, the GNSS response is becoming increasingly important. - [GSSC goes Pre-Operations](https://gssc.esa.int/news/pre-operations/) - GSSC has moved into Pre-Operations starting roll-out of pilot services. - [GNSS Big Data PDR successfully completed](https://gssc.esa.int/news/gbigdatapdr/) - The Preliminary Design Review (PDR) meeting for the "GNSS Big Data Processing for Monitoring, Assessment of Innovative Techniques and Science" project has been successfully completed. - [GNSS/Galileo Colloquium proceedings available from GSSC portal](https://gssc.esa.int/news/gnss-galileo-colloquium-proceedings-available-from-gssc-portal/) - All proceedings of GNSS/Colloquiums are available from the GSSC - [GOCE’s GNSS data available at GSSC](https://gssc.esa.int/news/goces-gnss-data-available-at-gssc/) - GOCE’s GNSS measurements are available at GSSC - [GESTA Galileo Experimentation & Scientific Tests in Antarctica](https://gssc.esa.int/news/gesta-galileo-experimentation-scientific-tests-in-antarctica/) - The Galileo Experimentation & Scientific Tests in Antarctica (GESTA) project to evaluate the performances of GNSS/Galileo Technologies in extreme environments, lead by the ESA’s Galileo Navigation Science Office (GScO) has been started. - [GSSC moves into operations](https://gssc.esa.int/news/gssc-moves-into-operations/) - GSSC has moved into Operations starting roll-out of pilot services. - [GNSS Big Data CDR successfully completed](https://gssc.esa.int/news/gnss-big-data-cdr-successfully-completed/) - The Critical Design Review (CDR) meeting for the "GNSS Big Data Processing for Monitoring, Assessment of Innovative Techniques and Science" project has been successfully completed. ## Pages - [Fostering science collaboration in GNSS](https://gssc.esa.int/) - GNSS Science Support Centre fosters collaboration across scientific communities through the provision of GNSS science-based products and services. - [Terms and Conditions](https://gssc.esa.int/terms-and-conditions/) - The GNSS Science Support Centre is an initiative by ESA’s Navigation Science Office to foster a world-wide reference centre for the GNSS scientific community. - [Geodetic Data ESA Terms of Use](https://gssc.esa.int/geodetic-data_esa-terms-of-use/) - The GNSS Science Support Centre is an initiative by ESA’s Navigation Science Office to foster a world-wide reference centre for the GNSS scientific community. - [About GSSC](https://gssc.esa.int/about-gssc/) - The Navigation Science Office and the GNSS Science Support Centre main mission is to foster the consolidation of a world-wide reference European GNSS Scientific community. - [Cookie Policy](https://gssc.esa.int/cookie-policy/) - INTRODUCTION The European Space Agency (herein the "Agency" or "ESA") is an intergovernmental organisation established by its Convention opened for signature in Paris on 30 May 1975 having its headquarters located at 24 rue du Général Bertrand, CS 30798, 75345 Paris Cedex 07, France. Protection of Personal Data is of great importance for ESA, therefore - [Publications](https://gssc.esa.int/education/library/publications/) - Access here the latest Navigation Science Office publications. - [Presentations and Papers from the 9th International Colloquium on Scientific and Fundamental Aspects of GNSS](https://gssc.esa.int/education/library/doi/gnss-science-colloquium/2024-wroclaw/) - Papers GNSS RADIO OCCULTATION DATA FOR WEATHER FORECAST AND CLIMATE RESEARCH, Torsten Schmidt, Patrick Schreiner, Jens Wickert OPTICAL IODINE CLOCKS FOR FUTURE GNSS, Jan Wüst, Markus Oswald, Martin Gohlke, Frederik Kuschewski, Tasmim Alam, Tim Blomberg, André Bußmeier, Jonas Pollex, Niklas Röder, Markus Weller, Ludwig Blümel, Thomas Zechel, Martin Rixius, Benjamin Samson, David Fehrenbacher, Kai Voss, - [Resource Formats](https://gssc.esa.int/education/library/resource-formats/) - Information about the resource formats used in GSSC Now content can be found here. - [DOIs](https://gssc.esa.int/education/library/dois/) - List of DOIs minted by GSSC - [Contact](https://gssc.esa.int/contact/) - The GNSS Science Support Centre is located at the European Space Astronomy Centre (ESAC) in Madrid, Spain. Camino Bajo del Castillo s/n, 28692, Villanueva de la Cañada – Madrid Spain E-mail: gssc-support@cosmos.esa.int Helpdesk: gssc.esa.int/support - [Contact and support](https://gssc.esa.int/about-gssc/contact-support/) - Address European Space Agency – ESAC Camino Bajo del Castillo s/n, 28692, Villanueva de la Cañada – Madrid Spain E-mail: gssc-helpdesk@cosmos.esa.int Helpdesk: gssc.esa.int/support - [Privacy Policy](https://gssc.esa.int/privacy-policy/) - INTRODUCTION The European Space Agency (herein the “Agency” or “ESA”) is an intergovernmental organisation established by its Convention opened for signature in Paris on 30 May 1975 having its headquarters located at 24 rue du Général Bertrand, CS 30798, 75345 Paris Cedex 07, France. Protection of Personal Data is of great importance for ESA, which - [Submit a ticket](https://gssc.esa.int/contact/submit/) - Welcome to GSSC Support! Please fill out the form below to report an incident or enquiry. Provide as much detail as possible to help us assist you promptly. Thank you for reaching out! First name* Surname* Email address in your organisation* Country* Category* GSSC Exploitation PortalIGS Global Data CentreNavipediaOthers Specify if "Others" selected* Priority* LowNormalHighUrgent - [Portal](https://gssc.esa.int/portal/) - GSSC Now - [Preportal2](https://gssc.esa.int/preportal2/) - [Galileo Science Colloquium](https://gssc.esa.int/education/events/galileo-science-colloquium/) - Galileo Science Colloquium brings together members of the European scientific community and their partners involved in the use of GNSS in their research. - [Webinars](https://gssc.esa.int/education/events/webinars/) - Join us for our free webinars, where experts will share their insights on GSSC Now advanced digital platform. These webinars are a great way to learn about new developments and advancements, features, and functionalities. Upcoming Events: Don't miss any upcoming events by registering to GSSC Newsletter! Past Events: Processing GNSS data from affordable receivers for - [Registration](https://gssc.esa.int/register/) - Users interested in becoming beta testers can submit a request to GSSC Service Desk providing interests, objectives and affiliation. - [Events](https://gssc.esa.int/education/events/) - Discover and explore our upcoming events for finding out what's happening. - [GNSS Summer School](https://gssc.esa.int/education/events/gnss-summer-school/) - Comprehensive programme on satellite navigation with lectures, practical exercises and lab works provided by Internationally renowned scientists and specialists. - [Library](https://gssc.esa.int/education/library/) - A compendium of documentation, resources and tools ready available for consultation. - [Galileo in 3D](https://gssc.esa.int/education/galileo3d/) - Access here Galileo Spacecraft in 3D visualisation, 3D model downloads and Galileo Constellation in 3D. - [Navipedia](https://gssc.esa.int/education/navipedia-2/) - A collaborative GNSS encyclopaedia with the objective to be the reference for Global Navigation Satellite Systems. - [Galileo Constellation](https://gssc.esa.int/education/galileo3d/galileo-constellation/) - You can follow on real time the status and location of each Galileo satellite. - [Fundamental Physics](https://gssc.esa.int/domains/fundamental-physics/) - The accuracy of the clocks on board Galileo satellites and the accuracy with which the orbits are known can be used to great advantage in order to perform fundamental physics experiments. - [Metrology](https://gssc.esa.int/domains/metrology/) - The usage of the GNSS in metrology has promoted the development of techniques for time-frequency transfer since accurate time and frequency measurements form the backbone of a variety of studies. - [Newsletter](https://gssc.esa.int/newsletter/) - Users interested in receiving updates on GSSC developments can subscribe to GSSC newsletter. - [Education](https://gssc.esa.int/education/) - You can find here resources to be used for science outreach activities and education. - [Space Science](https://gssc.esa.int/domains/space-science/) - Space Science Real-time spacecraft navigation based on spaceborne GNSS receivers is becoming a common technique for low-Earth orbits and geostationary orbits, allowing satellites to self-determine their position. - [Earth Sciences](https://gssc.esa.int/domains/earth-sciences/) - Earth Science covers sciences related to understanding the planet Earth, being the use of GNSS signals most relevant on the aspects of Earth physics (as opposed to chemistry or biology). ## Activities - [Analyse GNSS Data](https://gssc.esa.int/activities/gssc-datalabs/) - Unlock the potential of the GSSC data lake through on-demand analysis and visualisation datalabs. Our catalogue includes tools such as Jupyter Notebooks, gLab, Octave and others. - [Open Science Community](https://gssc.esa.int/activities/gssc-open-science/) - Leverage GSSC's collaborative platform for Open Science. Contribute with datasets or datalabs and integrate our APIs to create new, innovate solutions. - [Discover GNSS Data](https://gssc.esa.int/activities/gssc-datasets/) - Explore the GSSC data lake with datasets from ESA, IGS, ILRS and other sources. Seamlessly refine your search by parameters like stations, dates, instruments, sampling rates, observed satellites, observation codes ... - [GNSS Bulk Data Access](https://gssc.esa.int/activities/ftp-and-web-access-to-gnss-repository/) - Browse and download GNSS data from the GSSC repository using your preferred web browser or FTP client. - [Machine Learning for GNSS](https://gssc.esa.int/activities/gnss-ml-iot/) - The application of ML on the data produced by GNSS ground stations and millions of Internet-of-things (IoT) devices constitutes a major opportunity for GNSS science applications. ## File Formats - [Clock RINEX](https://gssc.esa.int/education/library/standards-and-data-formats/file-formats/clock-rinex/) - CLK is a standardized data format used to store high-precision clock information for both GNSS satellites and ground-based receivers - [RINEX](https://gssc.esa.int/education/library/standards-and-data-formats/file-formats/rinex/) - RINEX is a standardized file format used to store raw data from GNSS independently from the receiver - [IONEX](https://gssc.esa.int/education/library/standards-and-data-formats/file-formats/ionex/) - IONEX is a standardized ASCII format developed to facilitate the exchange of global ionospheric TEC maps - [ANTEX](https://gssc.esa.int/education/library/standards-and-data-formats/file-formats/antex/) - ANTEX is a standardized ASCII file format used to store detailed calibration information about satellite and receiver GNSS antennas - [SINEX_BIAS](https://gssc.esa.int/education/library/standards-and-data-formats/file-formats/sinex_bias/) - SINEX_BIAS file is a standardized format designed to facilitate the exchange of GNSS bias estimates among analysis centers and users - [SINEX_TRO](https://gssc.esa.int/education/library/standards-and-data-formats/file-formats/sinex_tro/) - SINEX_TRO file is a specialized extension of the SINEX format, designed for the exchange of tropospheric and meteorological parameters - [SP3](https://gssc.esa.int/education/library/standards-and-data-formats/file-formats/sp3/) - SP3 is a standardized ASCII text format developed by NGS for the dissemination of precise satellite ephemerides and clock information - [SINEX](https://gssc.esa.int/education/library/standards-and-data-formats/file-formats/sinex/) - SINEX is a standardized ASCII format that facilitates the exchange of geodetic solutions across GNSS, VLBI, SLR and DORIS ## DOIs - [Genesis Reference Orbit and Attitude as of System Preliminary Design Review](https://gssc.esa.int/education/library/dois/genesis-reference-orbit-and-attitude-as-of-system-preliminary-design-review/) - Genesis: 365 orbits, 365 attitudes, and one model‑description document. - [ESA ANTEX files](https://gssc.esa.int/education/library/dois/esa-antex-files/) - Antenna calibrations and ESA absolute phase center corrections for satellite (GPS, GLONASS, BeiDou) and receiver antennas ## Categories - [News](https://gssc.esa.int/news/category/news/) - [Story](https://gssc.esa.int/news/category/story/) ## Tags - [Big-Data](https://gssc.esa.int/news/tag/big-data/) - [GREAT](https://gssc.esa.int/news/tag/great/) - [Pre-Operations](https://gssc.esa.int/news/tag/pre-operations/) - [GESTA](https://gssc.esa.int/news/tag/gesta/) - [GNSS/Galileo Colloquium](https://gssc.esa.int/news/tag/gnss-galileo-colloquium/) - [BigData-CDR](https://gssc.esa.int/news/tag/bigdata-cdr/) - [GOCE-data-GSSC](https://gssc.esa.int/news/tag/goce-data-gssc/) - [GSSC-operational](https://gssc.esa.int/news/tag/gssc-operational/) - [Galileo-GR-published](https://gssc.esa.int/news/tag/galileo-gr-published/) - [GESTA-Plateau-Station](https://gssc.esa.int/news/tag/gesta-plateau-station/) - [summer-school-gnss](https://gssc.esa.int/news/tag/summer-school-gnss/) - [call-for-ideas](https://gssc.esa.int/news/tag/call-for-ideas/) - [Pulchron](https://gssc.esa.int/news/tag/pulchron/) - [pulsar](https://gssc.esa.int/news/tag/pulsar/) - [timescale](https://gssc.esa.int/news/tag/timescale/) - [galileo-metadata](https://gssc.esa.int/news/tag/galileo-metadata/) - [colloquium](https://gssc.esa.int/news/tag/colloquium/) - [cubesat-galileo-receiver](https://gssc.esa.int/news/tag/cubesat-galileo-receiver/) - [covid-19](https://gssc.esa.int/news/tag/covid-19/) - [data streaming](https://gssc.esa.int/news/tag/data-streaming/) - [GNSS real-time](https://gssc.esa.int/news/tag/gnss-real-time/) - [NTRIP](https://gssc.esa.int/news/tag/ntrip/) - [GNSS data streams](https://gssc.esa.int/news/tag/gnss-data-streams/) - [HTTP streaming](https://gssc.esa.int/news/tag/http-streaming/) - [differential correlation data](https://gssc.esa.int/news/tag/differential-correlation-data/) - [GNSS datasets](https://gssc.esa.int/news/tag/gnss-datasets/) - [GNSS Datalabs](https://gssc.esa.int/news/tag/gnss-datalabs/) - [GSSC Now](https://gssc.esa.int/news/tag/gssc-now/) - [GNSS Science](https://gssc.esa.int/news/tag/gnss-science/) - [GNSS Discovery Services](https://gssc.esa.int/news/tag/gnss-discovery-services/) - [GNSS Analysis Services](https://gssc.esa.int/news/tag/gnss-analysis-services/) - [Preview Program](https://gssc.esa.int/news/tag/preview-program/) - [raw gnss data](https://gssc.esa.int/news/tag/raw-gnss-data/) - [crowdsourcing](https://gssc.esa.int/news/tag/crowdsourcing/) - [machine learning](https://gssc.esa.int/news/tag/machine-learning/) - [IoT](https://gssc.esa.int/news/tag/iot/) - [data fusion](https://gssc.esa.int/news/tag/data-fusion/) - [Internet-of-things](https://gssc.esa.int/news/tag/internet-of-things/) - [big data](https://gssc.esa.int/news/tag/big-data-2/) - [gnss data processing](https://gssc.esa.int/news/tag/gnss-data-processing/) - [tropospheric](https://gssc.esa.int/news/tag/tropospheric/) - [space weather](https://gssc.esa.int/news/tag/space-weather/) - [RINEX3](https://gssc.esa.int/news/tag/rinex3/) - [galileo](https://gssc.esa.int/news/tag/galileo/) - [lunar pathfinder](https://gssc.esa.int/news/tag/lunar-pathfinder/) - [genesis](https://gssc.esa.int/news/tag/genesis/) - [pretty satellite](https://gssc.esa.int/news/tag/pretty-satellite/) - [Einstein’s general relativity](https://gssc.esa.int/news/tag/einsteins-general-relativity/) - [exo-navigation](https://gssc.esa.int/news/tag/exo-navigation/) - [edge](https://gssc.esa.int/news/tag/edge/) - [UbiSAP](https://gssc.esa.int/news/tag/ubisap/) - [artificial Intelligence](https://gssc.esa.int/news/tag/artificial-intelligence/) - [Nuvla](https://gssc.esa.int/news/tag/nuvla/) - [NuvlaEdge](https://gssc.esa.int/news/tag/nuvlaedge/) - [STICK](https://gssc.esa.int/news/tag/stick/) - [ITRF](https://gssc.esa.int/news/tag/itrf/) - [ITRS](https://gssc.esa.int/news/tag/itrs/) - [International Terrestrial Reference Frame](https://gssc.esa.int/news/tag/international-terrestrial-reference-frame/) - [International Terrestrial Reference System](https://gssc.esa.int/news/tag/international-terrestrial-reference-system/) - [GNSS](https://gssc.esa.int/news/tag/gnss/) - [VLBI](https://gssc.esa.int/news/tag/vlbi/) - [SLR](https://gssc.esa.int/news/tag/slr/) - [DORIS](https://gssc.esa.int/news/tag/doris/) - [precise navigation](https://gssc.esa.int/news/tag/precise-navigation/) - [Geodesy](https://gssc.esa.int/news/tag/geodesy/) - [Earth science](https://gssc.esa.int/news/tag/earth-science/) - [FutureNAV](https://gssc.esa.int/news/tag/futurenav/) - [CM22](https://gssc.esa.int/news/tag/cm22/) - [Troposphere](https://gssc.esa.int/news/tag/troposphere/) - [TEC](https://gssc.esa.int/news/tag/tec/) - [RINEX4](https://gssc.esa.int/news/tag/rinex4/) - [RINEX](https://gssc.esa.int/news/tag/rinex/) - [ILRS](https://gssc.esa.int/news/tag/ilrs/) - [proceedings](https://gssc.esa.int/news/tag/proceedings/) - [dark matter](https://gssc.esa.int/news/tag/dark-matter/) - [ionosphere](https://gssc.esa.int/news/tag/ionosphere/) - [ICTP](https://gssc.esa.int/news/tag/ictp/) - [Rokubun](https://gssc.esa.int/news/tag/rokubun/) - [GSSC](https://gssc.esa.int/news/tag/gssc/) - [atmosphere](https://gssc.esa.int/news/tag/atmosphere/) - [AMIC](https://gssc.esa.int/news/tag/amic/) - [Jupyter](https://gssc.esa.int/news/tag/jupyter/) - [ACORN](https://gssc.esa.int/news/tag/acorn/) - [VTEC](https://gssc.esa.int/news/tag/vtec/) - [ZWD](https://gssc.esa.int/news/tag/zwd/) - [Scintillation Prediction](https://gssc.esa.int/news/tag/scintillation-prediction/) - [Multipath Prediction](https://gssc.esa.int/news/tag/multipath-prediction/) - [Ephemeris Parameters Prediction](https://gssc.esa.int/news/tag/ephemeris-parameters-prediction/) - [CAMALIOT](https://gssc.esa.int/news/tag/camaliot/) - [DOI](https://gssc.esa.int/news/tag/doi/) - [Digital Object Identifier](https://gssc.esa.int/news/tag/digital-object-identifier/) - [survey](https://gssc.esa.int/news/tag/survey/) - [webinar](https://gssc.esa.int/news/tag/webinar/) - [revamped](https://gssc.esa.int/news/tag/revamped/) - [monitor](https://gssc.esa.int/news/tag/monitor/) - [ionospheric effects](https://gssc.esa.int/news/tag/ionospheric-effects/) - [EGNOS](https://gssc.esa.int/news/tag/egnos/) - [Solar flares](https://gssc.esa.int/news/tag/solar-flares/) - [Coronal Mass ejections](https://gssc.esa.int/news/tag/coronal-mass-ejections/)