https://hdl.handle.net/21.12132/3.bcbb87950c3d48e0 1.0 https://instrumentdb.out.ocp.fmi.fi/instrument/bcbb8795-0c3d-48e0-a6bf-79027b63a31d CNR CHM 15k Consiglio Nazionale delle Ricerche 04zaypm56 G. Lufft Mess- und Regeltechnik GmbH Lufft CHM 15k https://vocabulary.actris.nilu.no/actris_vocab/LufftCHM15k lidar ceilometer https://vocabulary.actris.nilu.no/actris_vocab/lidarceilometer attenuated backscatter coefficient 2021-05-28 CHM080085