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sci.geo.satellite-nav (Global Satellite Navigation) (sci.geo.satellite-nav) Discussion of global navigation satellite systems (GNSS). Topics include the technical aspects of GNSS operation, user experiences in the use of GNSS, information regarding GNSS products and discussion of GNSS policy (such as GPS selective availability).

Comments Sought on Future User Needs for Nationwide DGPS

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Old April 16th 13, 09:32 PM posted to sci.geo.satellite-nav
Sam Wormley[_2_]
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Default Comments Sought on Future User Needs for Nationwide DGPS

Comments Sought on Future User Needs for Nationwide DGPS

The U.S. Department of Transportation’s Research and Innovative
Technology Administration (RITA), in partnership with the U.S. Coast
Guard, is seeking public comments on current and future user needs
for the Nationwide Differential Global Positioning System (NDGPS).

The agencies want to know how users use NDGPS, and are seeking ideas
for future uses or alternative uses.

According to the notice in the Federal Register,”The NDGPS was
designed to broadcast signals to improve the accuracy and integrity
of the Global Positioning System (GPS) derived positions for surface
transportation, as well as other civil, commercial, scientific, and
homeland security applications. This analysis will be used to support
future NDGPS investment decisions by the Department of Homeland
Security and the Department of Transportation beyond fiscal year
2016. This notice seeks comments from federal, state, and local
agencies, as well as other interested members of the public regarding
current and future usage of the NDGPS, the need to retain the NDGPS,
the impact if NDGPS signals were not available, alternatives to the
NDGPS, and alternative uses for the existing NDGPS infrastructure.”

NDGPS is a ground-based augmentation system that provides increased
accuracy and integrity of GPS information to users on U.S. land and
waterways. The system consists of the Maritime Differential GPS
System operated by the U.S. Coast Guard and an inland component
funded by the Department of Transportation. NDGPS is built to
international standards, and similar systems have been implemented by
50 countries around the world. Modernization efforts include the High
Accuracy NDGPS (HA-NDGPS) system, currently under development, to
enhance the performance and provide 10-15 centimeter accuracy with
integrity throughout the coverage area. For more information about
NDGPS, visit the following webpages:

Comments and related material must reach the Docket Management
Facility on or before July 15, 2013.


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