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<div><i>Author: C Rizos</i></div>
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<div><i>Colleagues</i></div>
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The IAG has coordinated the development of a series of geodesy-themed sessions for the next Asia Oceania Geoscience Society meeting, 13-17 August 2012, in Singapore (<a href="http://www.asiaoceania.org/aogs2012/public.asp?page=home.htm">http://www.asiaoceania.org/aogs2012/public.asp?page=mars2/confSessionList.asp</a>).
Most of them are found in the "solid earth" section (as there is no separate geodesy stream). This initiative addresses one of the IAG's objectives, which is to better engage with geodesists and geoscientists in the Asia and Oceania region.
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<div>In this region the products of the IGS are particularly valued and it is therefore hoped that there will be a strong program in Session SE91 "GNSS Infrastructure Developments in Support of Science & Society". <b>We invite paper abstracts on topics of interest
to session SE91 to be submitted via the AOGS website (<a href="http://www.asiaoceania.org/aogs2012/public.asp?page=abstract.htm">http://www.asiaoceania.org/aogs2012/public.asp?page=abstract.htm</a></b><b>). </b><b><span class="Apple-style-span" style="font-weight: normal; ">The
description of the session is given below. </span></b>
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<div><b><span class="Apple-style-span" style="font-weight: normal; ">On behalf of the conveners I would like to encourage you to participate in it. This session will cover topics of relevance to the IGS community, including multi-GNSS processing; future IGS
products; status of infrastructure and analysis capability; challenges for real-time, multi-GNSS and production of new products; global and regional cooperative tracking networks; and GNSS geodesy. </span></b></div>
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<div><b><span class="Apple-style-span" style="font-weight: normal; "><b><i>The deadline for abstract submissions is 12 March </i></b>(you must register for the MARS electronic submission system). See you in Singapore!</span></b></div>
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<div><b><i>SE91</i><font class="Apple-style-span" face="Arial"><i> - "</i></font></b><b><font class="Apple-style-span" face="Arial"><i>GNSS Infrastructure Developments in Support of Science & Society"</i></font></b></div>
<div><b><font class="Apple-style-span" face="Arial"><i>Abstract: </i></font></b><font class="Apple-style-span" face="Arial">Over the next decade we will see next generation Global Navigation Satellite Systems (GNSSs) being </font><span class="Apple-style-span" style="font-family: Arial; ">deployed,
including the U.S.’s modernized GPS-IIF and GPS-III, the revitalised (and later to be </span><span class="Apple-style-span" style="font-family: Arial; ">modernized) GLONASS from Russia, Europe’s GALILEO system, and China’s COMPASS/BeiDou </span><span class="Apple-style-span" style="font-family: Arial; ">system.
Furthermore, a number of Space Based Augmentation Systems (such as Japan’s Quasi-Zenith </span><span class="Apple-style-span" style="font-family: Arial; ">Satellite System – QZSS), and Regional Navigation Satellite Systems (such as India’s IRNSS) will add </span><span class="Apple-style-span" style="font-family: Arial; ">extra
satellites and signals to the multi-constellation GNSS ‘mix’. There will be profound implications to </span><span class="Apple-style-span" style="font-family: Arial; ">high accuracy geodetic and geoscientific applications. Not only will accuracy performance
increase, but </span><span class="Apple-style-span" style="font-family: Arial; ">new products and services will also be developed. However, in addition to changes in signals, software </span><span class="Apple-style-span" style="font-family: Arial; ">and hardware,
there will be significant changes to infrastructure such as continuous ground GNSS </span><span class="Apple-style-span" style="font-family: Arial; ">tracking networks, as well as services that process the raw measurement data (such as the </span><span class="Apple-style-span" style="font-family: Arial; ">International
GNSS Service – IGS), and products available to a wide range of users. </span><span class="Apple-style-span" style="font-family: Arial; ">This session will explore topics such as what are the benefits to high accuracy users of the new GNSS </span><span class="Apple-style-span" style="font-family: Arial; ">signals
and systems, what receiver and engineering issues must be resolved if these new </span><span class="Apple-style-span" style="font-family: Arial; ">measurements are to contribute to Geodesy’s goal of substantially improving positioning accuracy </span><span class="Apple-style-span" style="font-family: Arial; ">performance
over the coming decade, and what technological roadblocks need to be overcome in order </span><span class="Apple-style-span" style="font-family: Arial; ">to deliver enhanced performance to users. Topics also covered include the evolution of the IGS in a </span><span class="Apple-style-span" style="font-family: Arial; ">multi-constellation
GNSS era as it upgrades its ground infrastructure and generates new products, and </span><span class="Apple-style-span" style="font-family: Arial; ">how regional GNSS networks can be federated into a global infrastructure that supports geosciences </span><span class="Apple-style-span" style="font-family: Arial; ">high
accuracy needs with minimum constraints in terms of latency, system interoperability and data </span><span class="Apple-style-span" style="font-family: Arial; ">sharing. GNSS is already a powerful tool for the geosciences, supporting tectonic and ground </span><span class="Apple-style-span" style="font-family: Arial; ">deformation
measurement, atmospheric remote sensing, tsunami buoy positioning, tide gauge and </span><span class="Apple-style-span" style="font-family: Arial; ">monument stability monitoring, precise georeferencing of imaging and earth observation sensors, and </span><span class="Apple-style-span" style="font-family: Arial; ">geodetic
datum definition. Multi-constellation GNSS will deliver even higher performance for these </span><span class="Apple-style-span" style="font-family: Arial; ">applications, as well as new ones.</span></div>
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<div>Convenors: R Neilan, C Rizos, G Weber, N Weston, S Kogure</div>
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Chris Rizos ,<span class="Apple-converted-space"> </span><i>Professor & Head</i><br>
School of Surveying & Spatial Information Systems<br>
The University of New South Wales<br>
Sydney NSW 2052, AUSTRALIA</div>
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<i>President, International Association of Geodesy (IAG)</i><br>
Tel: +61-2-93854205 (Int.)<br>
Mob: 0405-848889 (Australia)<br>
Fax: +61-2-93137493 (Int.)<br>
Email: <a href="mailto:c.rizos@unsw.edu.au">c.rizos@unsw.edu.au</a><br>
WWW: <a href="http://www.ssis.unsw.edu.au/">http://www.ssis.unsw.edu.au/</a><br>
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