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Contact: Robert Cumming
Chalmers University of Technology

GNSS Tide Gauge at Onsala Space Observatory (2 of 2)

Caption: When satellites pass over the sky, the GNSS tide gauge uses signals direct from the satellite and signals reflected off the sea surface to measure the sea level.

Credit: Johan Löfgren

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Related news release: New tide gauge uses GPS signals to measure sea level change

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