Indiana DOT Launch Reference Station Network

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<p><strong>Norcross, Ga. &mdash; July 30</strong><br />The Indiana Department of Transportation (INDOT) has set in motion the implementation of a statewide network of GNSS Continuously Operating Reference Stations (CORS) that will provide critical support to future Indiana transportation projects. </p><p>The network system, provided by Advanced Survey Solutions and Leica Geosystems Inc., will include 17 primary CORS monuments and about 25 secondary monuments throughout the state.<br /><br />Each CORS station will include a Leica GRX1200 GG Pro GNSS receiver with Ethernet and frequency import capabilities. </p><p>INDOT plans to space primary stations about 100 kilmoeters apart, and then densify the network as needed with secondary stations. </p><p>Once the network is implemented, DGPS and real-time kinematic (RTK) data will be available to the agency 24×7 via the Internet.<br /><br />In addition, INDOT will implement the Leica Geosystems&#39; Spider Network software, an integrated suite of software that adjusts for the ionic and tropospheric conditions of the entire network before sending a corrected signal to the rover or end-user from a single reference station. </p><p>The result is rather than merely getting information from the closest reference station, the surveyor is getting corrections based on the entire network. <br /><br />&quot;Our survey community is very excited about the CORS network and its ability to minimize the need to set up base stations and create greater opportunity for RTK surveying,&quot; said Bill Schmidt, INDOT manager of aerial engineering. &quot;An added plus is that every state agency will be able to operate on the same coordinate system.&quot;<br /><br />INDOT expects the primary network of the GNSS network to become operational by early 2008, with the secondary network following soon after. </p><p>This network is a critical element in INDOT&#39;s efforts to effectively manage its 11,300 centerline miles and 28,500 total lane miles.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<br /><br />&quot;Reference station networks like INDOT provides a fundamental tool for engineering and survey professionals throughout the state, both public and private, for the purpose of advanced measuring accuracy and processing speed,&quot; said Gerard Manley, Leica Geosystems vice president of engineered solutions. &quot;These reference stations also have widespread application beyond advanced traditional survey techniques such as helping monitor the movement of bridges and dams, supporting&nbsp; machine control activities on road construction projects, playing a role in accident reporting of local police departments and so much more. It&#39;s truly an investment in the future.&quot;</p>

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