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</html><description>Measurements in different daylight illuminations. The samples that were measured are the reference white (BaSO4), spruce tree (distance from the measuring equipment about 100 meters) and the sky reflected by the mirror. Measuring equipment: PR 713/702 AM spectroradiometer Wavelength interval: 390 nm &#x2013; 1070 nm Wavelength resolution: 4 nm File formats: The available formats are [&hellip;]</description></oembed>

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