Global Navigation Satellite Systems (GNSS) consists of constellations of satellites that provide continuously optimized location and time information, transmitting a variety of signals on multiple frequencies available at all locations on planet Earth. The GNSS are the Global Positioning System (GPS) of the United States, the Global Navigation Satellite System (GLONASS) of the Russian Federation, GALILEO of the European Union and the COMPASS/BeiDou of China. India and Japan have developed regional GNSS capability by launching a number of satellites into space that augment the capabilities that are already supplied by the global systems to provide additional regional coverage. As providers of GNSS services, the six global and regional system providers have grouped together in a Providers' Forum in order to conduct discussions of mutual interest focused on improving coordinated service provision to benefit humankind.
In an attempt to build a system of systems, the International Committee on GNSS (ICG) was established in December 2005 in an International Meetinng at the United Nations Office at Vienna as an informal, voluntary forum to promote cooperation, as appropriate, on matters of mutual interest related to civil satellite based positioning, navigation, timing and value-added services, as well as the compability and interoperability of GNSS, while increasing their use to support sustainable development, particularly in developing countries.
To support the work of ICG, the Office for Outer Space affairs, as the ICG Executive Secretariat, is focusing on promoting the use of GNSS technologies as tools for scientific applications, including space weather effects on GNSS, education and training on GNSS, and utilizing regional reference systems and frames.
A five-day workshop on GNSS technology and its applications, Riga, 14 - 18 May 2012, is being organised by the United Nations Office for Outer Space Affairs in cooperation with the Government of Latvia, the United States of America through the ICG and the European Space Agency (ESA), as part of the activities of the United Nations Programme on Space Applications. The Workshop will be hosted by the Latvian Geospatial Information Agency on behalf of the Government of Latvia.
Workshop participants will discuss how GNSS-enabling technology can strengthen a network of national reference stations and promote the interoperability of navigation, positioning and timing systems in the region. An overview of a wide range of GNSS applications existing today and prospects for the future, in areas such as surveying, mapping and asset management, precision agriculture, engineering and construction, aviation and maritime, as well as space weather monitoring will be provided.
Note: The views expressed in the presentations below are those of the authors and do not reflect the policies or views of the United Nations Office for Outer Space Affairs. The presentations are provided solely for informational purposes.
| Opening and Welcome Remarks, Key Note presentation | ||
| Parliamentary Secretary Mr. Veiko SPOLITIS, Ministry of Defence, Latvia | Statement | |
| Director of Communications Department Mr. Edmunds BELSKIS, Ministry of Transport, Latvia | Statement | |
| Mr. Harijs BARANOVS, Latvian Geospatial Information Agency, Latvia | Statement | |
| Ms. Sharafat GADIMOVA, United Nations Office for Outer Space Affairs, Austria | Statement | |
| Mr. Kenneth HODGKINS, United States of America | Statement | |
| Ms. Anabelle FONSECA, European Space Agency | Statement | |
| Multi-GNSS opportunities and challenges to GNSS-enabling technology and its applications , Prof. Vidal ASHKENAZI, United Kingdom | Presentation | |
| Session 1: Global Navigation Satellite Systems and Satellite-based Augmentation Systems in Operation and in Development | ||
| Global Positioning System (GPS) , Mr. Kenneth HODGKINS, United States of America | Presentation | |
| GLObal NAvigation Satellite System (GLONASS) Status and Modernization , Ms. Ekaterina OLEYNIK, Russian Federation | Presentation | |
| Future plan of Quasi-Zenith Satellite System (QZSS) , Mr. Hiroyuki NODA, Japan | Presentation | |
| International Committee on Global Navigation Satellite Systems (ICG) and its Programme on GNSS applications , Ms. Sharafat GADIMOVA, United Nations Office for Outer Space Affairs, Vienna, Austria | Presentation | |
| Session 2: Initiatives/experiences in GNSS user applications | ||
| Galileo services opportunities and applications , Mr. Gard UELAND, France | Presentation | |
| The role of EUREF in a changing GNSS landscape , Mr. Heinz HABRICH, Germany | Presentation | |
| Single-frequency GPS positioning performance in northern Adriatic region during geomagnetic storm on 22- 24 January 2012, Mr. Renato FILJAR, Croatia | Presentation | |
| Hungarian railway countrywide data collection using GPS-GNSS technology, Mr. Peter BARCZA, Hungary | Presentation | |
| EGNOS extension to Eastern Europe: applications , Mr. Vlad OLTEANU, Romania | Presentation | |
| EUPOS-RIGA permanent station network improvement , Mr. Gunars SILABRIEDIS and Mr. Janis BALODIS, Latvia | Presentation | |
| The impact of solid Earth tides on the DGNSS positioning results , Ms. Diana HARITONOVA, Latvia | Presentation | |
| Space applications in Latvia , Mr. Kaspars KALNINS, Latvia | Presentation | |
| On the height component for GNSS positioning , Mr. Janis BALODIS, Latvia | Presentation | |
| Session 3: Case studies and opportunities for collaboration | ||
| Effects of GNSS jammers and potential mitigation approaches , Ms. Heidi KUUSNIEMI, Finland | Presentation | |
| GNSS concept in the framework of the Romanian R&D programme "Space and Security" and "STAR" , Mr. Alexandru BADEA, Romania | Presentation | |
| Current participation of Bulgaria in European and regional GNSS projects , Ms. Keranka Slavova VASSILEVA, Bulgaria | Presentation | |
| Low cost GNSS applications , Mr. ivo MILEV, Germany | Presentation | |
| Using location-based social media for emergency response , Mr. Tal DEKEL, Israel | Presentation | |
| Planned DGPS system at SANA' A international airport , Mr. Waleed Abdullah AL ANESI, Yemen | Presentation | |
| Session 4: GNSS reference station networks and services | ||
| Latvian geodetic network and GNSS applications in Latvia , Mr. Janis ZVIRGZDS, Latvia | Presentation | |
| Geo-CORS project in Georgia , Mr. Galaktion HAHUBIA, Georgia | Presentation | |
| Creation of geodetic databases for MoldPos services , Mr. Vasile CHIRIAC, Moldova | Presentation | |
| Modification of vertical reference frame of Uzbekistan , Mr. Erkin MIRMAKHMUDOV, Uzbekistan | Presentation | |
| Latvian national height system as EVRS realization , Mr. Ivars ALEKSEJENKO, Latvia | Presentation | |
| Benefit of reprocessed orbits IGS1 to geodetic reference network of Bosnia and Herzegovina, Ms. Medzida MULIC, Bosnia and Herzegovina | Presentation | |
| Development of the GNSS-based geodetic infrastructure in the Czech Republic in context of international projects, Mr. Jaroslav SIMEK, Czech Republic | Presentation | |
| Developments in the Hungarian active GNSS network, Mr. Peter Balazs BRAUNMULLER, Hungary | Presentation | |
| SWEPOS TM Network-RTK service - establishment, status and experiences, Mr. Peter WIKLUND, Sweden | Presentation | |
| Session 5: Capacity-building, training and education in the field of GNSS | ||
| Space related education and research in Ventspils University College , Mr. Juris FREIMANIS, Latvia | Presentation | |
| GNSS education at the University of Melbourne , Mr. Eldar RUBINOV, Australia | Presentation | |
| GNSS applications in the educational system of the Technical University of Moldova , Ms. Livia NISTOR LOPATENCO, Moldova | Presentation | |
| Targeted professional education can improve the role of GNSS as a component of national infrastructure, Mr. Renato FILJAR, Croatia | Presentation | |
| Attractivness of GNSS in education, Mr. Janis KAMINSKIS, Latvia | Presentation | |
| The position of Albania as a non-EU country toward GNSS education and Galileo evolution, Mr. Enik SHYTERMEJA | Presentation | |
| Session 6: GNSS-based application areas | ||
| GNSS applications in Estonia: Estonian GNSS permanent station network , Ms. Karin KOLLO, Estonia | Presentation | |
| GNSS positioning in support of surface soil moisture retrieval and flood delineation in near real time , Mr. Michael HORNACEK, Austria | Presentation | |
| Greenland ice sheet mass balance from GPS, GRACE and ICESat , Mr. Shfagat Abbas KHAN, Denmark | Presentation | |
| Understanding of GNSS anomalies near the Equatorial Region: Anatolian Bump signatures in ITNE-CIDR , Mr. Ayman MAHROUS, Egypt | Presentation | |
| Precision estimation of GNSS devices in static and dynamic modes , Mr. Ansis KLUGA, Latvia | Presentation | |
| Telecommunications networks: application of up-to-date equipment, Mr. Islam ALI-ZADA, Azerbaijan | Presentation | |
| Geodynamical station Riga: current situation and future prospects , Mr. Kalvis SALMINS, Latvia |
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