Swepos

SWEPOS is a support system for accurate measurement of Swedish geography using a network of fixed reference stations which gather GNSS data. The SWEPOS system permits mobile GPS/GLONASS receivers to receive detailed positioning data down to the centimeter level. The SWEPOS network of reference stations began as a co-operation between the National Land Survey of Sweden and Onsala Space Observatory. References. External links. SWEPOS https://en.wikipedia.org/wiki/SWEPOS

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