Top > Science > Agriculture > Practices and Systems > Precision Farming > Differential Correction

» Comparison of Differentially Corrected GPS Sources for Support of Site-Specific Management in Agriculture - The Agricultural Research Center, Hays conducted a comparison of three DGPS correction sources in both static and dynamic modes. Photos and results are published in a K-State Special Publication. [PDF]

» OmniSTAR - A commercial vendor that provides wide-area differential GPS service, using satellite broadcast techniques. Pricing, service and contact information.

» U.S. Coast Guard Navigation Center - Maintained for the purpose of disseminating navigational status information for the GPS, DGPS, and LORAN radio navigation systems. Coverage plot map, DGPS status, discusses nationwide expansion, outages, and general information relevant to precision agriculture.

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