HDF5 file, superblock version 0
group /
	attribute Conventions = "CF-1.7"
	attribute cloudnet_file_type = "lidar"
	attribute cloudnetpy_version = "1.9.3"
	attribute day = 7
	attribute file_uuid = "c1823fac9be14e05b774ec233c44d7b0"
	attribute history = "2025-11-07 14:21:36 - ceilometer file created"
	attribute location = "Vantaa"
	attribute month = 11
	attribute references = "https://doi.org/10.21105/joss.02123"
	attribute source = "cl61d"
	attribute title = "Ceilometer file from Vantaa"
	attribute year = 2025
dataset /beta: float32, shape (720, 3276)
	attribute comment = "Range corrected, SNR screened, attenuated backscatter."
	attribute long_name = "Attenuated backscatter coefficient"
	attribute units = "sr-1 m-1"
dataset /beta_raw: float32, shape (720, 3276)
	attribute comment = "Range corrected, attenuated backscatter."
	attribute long_name = "Raw attenuated backscatter coefficient"
	attribute units = "sr-1 m-1"
dataset /beta_smooth: float32, shape (720, 3276)
	attribute comment = "Range corrected, SNR screened backscatter coefficient.\nWeak background is smoothed using Gaussian 2D-kernel."
	attribute long_name = "Smoothed attenuated backscatter coefficient"
	attribute units = "sr-1 m-1"
dataset /depolarisation: float32, shape (720, 3276)
	attribute comment = "SNR-screened lidar depolarisation."
	attribute long_name = "Depolarisation"
	attribute units = "%"
dataset /depolarisation_raw: float32, shape (720, 3276)
	attribute long_name = "Raw depolarisation"
	attribute units = "%"
dataset /depolarisation_smooth: float32, shape (720, 3276)
	attribute comment = "SNR-screened lidar depolarisation.\nWeak background is smoothed using Gaussian 2D-kernel."
	attribute long_name = "Smoothed lidar depolarisation"
	attribute units = "%"
dataset /height: float32, shape (3276)
	attribute axis = "Z"
	attribute comment = "Height grid from the mean sea level towards zenith."
	attribute long_name = "Height above mean sea level"
	attribute units = "m"
dataset /range: float32, shape (3276)
	attribute axis = "Z"
	attribute comment = "Height grid from the instrument towards the line of sight."
	attribute long_name = "Range from instrument"
	attribute units = "m"
dataset /tilt_angle: float32, shape ()
	attribute long_name = "Tilt angle from vertical"
	attribute units = "degrees"
dataset /time: float32, shape (720)
	attribute axis = "T"
	attribute long_name = "Time UTC"
	attribute units = "hours since 2025-11-07 00:00:00"
dataset /wavelength: int32, shape ()
	attribute units = "nm"