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. 2023 Aug 4;10:519. doi: 10.1038/s41597-023-02415-5

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© This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply 2023

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Fig. 11 — (a) Photo of sonic anemometer at L2 on 26 October 2019 during icing conditions being managed on 8 W of heating. (b) ASFS-50 3 September 2020 0520 UTC. Rare events of icing on Hukseflux pyranometers occurred on a few days in late August and early September 2020, generally due to freezing fog. These were cleaned on a daily basis.