OPUS, NOAA's Online Positioning User Service, provides free access to high-accuracy coordinates. Which organization operates OPUS?

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Multiple Choice

OPUS, NOAA's Online Positioning User Service, provides free access to high-accuracy coordinates. Which organization operates OPUS?

Explanation:
OPUS is a free online tool for processing GNSS observations to yield high-accuracy coordinates tied to the national reference frame, and it is operated by NOAA’s National Geodetic Survey. This organization oversees the United States’ geodetic framework and continues to maintain the networks and reference systems that OPUS relies on. While NASA, USGS, and EPA have important roles in space, earth science, and environmental protection, they do not run OPUS.

OPUS is a free online tool for processing GNSS observations to yield high-accuracy coordinates tied to the national reference frame, and it is operated by NOAA’s National Geodetic Survey. This organization oversees the United States’ geodetic framework and continues to maintain the networks and reference systems that OPUS relies on. While NASA, USGS, and EPA have important roles in space, earth science, and environmental protection, they do not run OPUS.

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