The term DGNSS – Differential GNSS – today mainly refers to relative code measurement in real time.

DGNSS is a collective term for measurement using multiple GNSS receivers to reduce position uncertainty. Today, DGNSS is mainly used to describe the relative measurement methods based on code measurement, which is based on a simpler principle - which is less sensitive to signal interruptions - than carrier phase measurement.

SWEPOS DGNSS is a positioning service that is part of Lantmäteriet's open data

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