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Top 10 developments of 2014
Sensors & Systems
In our regular end-of-the-year reflection, Sensors & Systems looks back over the past 12 months to come up with the top developments of 2014 that will have strong implications for geospatial industry growth and diversity in the coming years. Making the list are technology disruptions, acquisitions, modeling frameworks, mapping efforts and global change.
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Evaluating the performance of navigation payloads
Inside GNSS
As a navigation satellite transmits multiple signals on single frequency (e.g., Open Service and Restricted Service over L5 Band), these are combined on a common carrier to comprise a composite signal. This composite signal passes through navigation payload subsystems such as an up-converter, traveling wave tube amplifier, filters and so on. These subsystems may introduce adverse effects on the signal.
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Getting microgrids right: NREL partners on advanced technologies
Smart Grid News
The U.S. Department of Energy's National Renewable Energy Laboratory is working with both the Electric Power Research Institute and General Electric on separate new projects to continue perfecting microgrids to the point where they can be reliably used by cities and communities to provide power backup during storms or other electric service interruptions.
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Superior Quality Data and Analytics is Critical for Today's Energy Companies
CoreLogics
As a GIS professional, you strive to turn complicated tasks into fast, efficient processes throughout your business. You understand that automated data can improve the quality and output of almost every task. However, collecting data from various local government and other resources can be expensive, time-consuming and error-prone. A trusted, single source of robust data and analytics can simplify and improve the quality of many departmental functions such as land-use planning, mineral exploration, tax compliance, transportation, as well as infrastructure development and management. Learn more…
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Reflections and hope for GNSS
GPS World
Without a doubt, the most troubling, or certainly discussed, topics this year have revolved around the spurious thoughts, rhetoric and unfortunate resulting public statements by PNT neophytes in positions of power whom, not being from the most lucid generation, seem to believe that GPS or GNSS are vulnerable and should be replaced — end of discussion — no further thought given to the problem other than surely something will come along to replace it — and preferably overnight, at that.
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Salvaged Galileo performs its first navigation fix
GPS World
Galileo's fifth satellite — recently salvaged from the wrong orbit to begin navigation testing — has been combined with three predecessors to provide its first position fix. Test receivers at ESA's technical centre in Noordwijk, the Netherlands, and at the Galileo In-Orbit Test station at Redu in Belgium received the signals at 12:48 GMT on Dec. 9 from the quartet of satellites and fixed their horizontal positions to better than two meters.
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Map shows frequency of small asteroid impacts, provides clues on larger asteroid population
Directions Magazine
Small asteroids near Earth, with sizes of only about a meter, hit the atmosphere and disintegrate with surprising frequency — around every other week, new data show. Sensor data reveal that these small impact events are frequent and random. A map of these small impact events released by NASA shows the frequency and approximate energy released by bolide events detected from 1994 through 2013.
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Trimble unveils suite of GNSS timing products for LTE market
GPS World
Trimble has introduced a new portfolio of time and frequency products to address the synchronization needs of the growing LTE small cell market. The products are designed for a wide range of small cell synchronization applications. The products provide increased holdover capabilities and more robust signals with multi-constellation GNSS technology to sync wireless networks more efficiently, Trimble said.
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GITA News Hub

Colby Horton, Vice President of Publishing, 469.420.2601
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Dennis Hall, Executive Editor, 469.420.2656   
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