SOHO/VIRGO comparisons between DIARAD and PMO ... - Acrim.com

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World Radiometric Reference and SI• From a thorough discussion of the results of comparison of many ECRs with the sun as sourceat PMOD/WRC the Word Radiometric Reference has been defined and adopted by WMO in1975. A group of radiometers, the World Standard Group, have been identified to materializeit. The WWR is what is called in metrology a conventional reference as it has a much higherrepeatability than its estimated SI uncertainty of 0.3%.26.07.2005 11:52:20 TSI Workshop, NIST 18 – 20 July 2005 2
Transfer from a Cryogenic Radiometerto Trap DetectorTrap detectorCryogenic Radiometer26.07.2005 11:52:20 TSI Workshop, NIST 18 – 20 July 2005 3
Page 1: Relation of the World RadiometricRe
Page 5 and 6: Beam-Splitter Ratio and Beam PowerS
Page 7 and 8: Non-EquivalenceNon-Equivalence [ppm
Page 9 and 10: Uncertainty of the comparison at NP
Page 11: END26.07.2005 11:52:20 TSI Workshop

SOHO/VIRGO comparisons between DIARAD and PMO ... - Acrim.com

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