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Contact: Robert Cumming
Chalmers University of Technology

GNSS Tide Gauge at Onsala Space Observatory (1 of 2)

Caption: This is a panorama from the GNSS tide gauge at Onsala Space Observatory. 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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