DOTD standards for GPS data collection accuracy : research project capsule.
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DOTD standards for GPS data collection accuracy : research project capsule.

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English

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  • Abstract:
    Global Navigational Satellite Systems (GNSS), which includes GPS technologies

    maintained by the United States, are used extensively throughout government

    and industry. These technologies continue to revolutionize positional data

    collection activities. Despite the increased accuracy, reduced cost, and improved

    data acquisition effi ciencies, the Louisiana Department of Transportation and

    Development (DOTD) has no established standards or methods to guide its

    general staff and contractors in the appropriate use of GNSS technology to

    ensure application-specifi c data accuracy requirements and that a Department

    minimum are met. Because the DOTD Surveying Section already collects highly

    accurate and precise data, these standards are not intended for them. Instead,

    these standards are intended for staff that collect GPS data from mapping-grade

    applications. There is a need to develop standards and techniques for staff

    who collect GPS Data, separate from the survey section, to ensure a minimum

    standard and level of accuracy, not only for a confi dence level in the data, but also

    to ensure compatible software and equipment support and training.

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