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  • During the collaborative measurement campaign conducted at Villum Research Station (Greenland) in spring 2024 (2024-03-18 to 2024-04-18), tethered balloon-borne measurement flights were supported by daily radiosonde launches. The Level-2 (L2) radiosonde profiles provide supplementary information regarding the meteorological conditions during the measurement campaign. In particular, they sampled the vertical thermodynamic properties throughout the entire troposphere above the heights reachable for the balloon, whose purpose was profiling of the Arctic atmospheric boundary layer to examine transitions between its typical states.