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RTK accuracy calculator

RTK accuracy is specified as a constant plus a distance-dependent part, for example 8 mm + 1 ppm. One part per million adds 1 mm for every kilometre between rover and base. At 10 km, an 8 mm + 1 ppm receiver gives about 18 mm horizontally.

Typical RTK spec: 8 mm + 1 ppm H, 15 mm + 1 ppm V. 1 ppm = 1 mm per km.
Expected horizontal accuracy (1σ)13.0mm

20.0 mm vertical (1σ)

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