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"Differential Global Positioning System receivers"@en .
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"{\"node\": {\n \"notes\": \"GPS augmented by a network of fixed ground stations that continuously broadcast the difference between their true locations and the location determined from the satellites.\",\n \"accuracy\": \"better than 100m to better than 10m\"\n}}"@en .
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"DGPS" .
"DGPS"@en .
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"accepted"@en .
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"SDN:L05::POS04" .
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