HDF5 file, superblock version 0
group /
	attribute Conventions = "CF-1.7"
	attribute day = 13
	attribute file_uuid = "310d61ff848c4079b394b180409dc195"
	attribute git_version = "d25d0c8"
	attribute history = "2019-10-13 23:54:35 - netCDF generated from original data."
	attribute location = "Vehmasmaki"
	attribute month = 10
	attribute system = "CL51"
	attribute title = "Vehmasmaki Vaisala CL51 lidar ceilometer"
	attribute year = 2019
dataset /_nc4_non_coord_vaisala_bases: float32, shape (5720, 3)
	attribute comment = "Cloud base (0-3) heights from Vaisala algorithm."
	attribute long_name = "Cloud base heights from lidar"
	attribute units = "km"
dataset /altitude: float32, shape ()
	attribute comment = "Height of instrument above mean sea level"
	attribute long_name = "Altitude of lidar"
	attribute units = "m"
dataset /background: int32, shape (5720)
	attribute long_name = "Background light"
	attribute units = "mV"
dataset /beta: float32, shape (5720, 1540)
	attribute _FillValue = 0.0
	attribute comment = "Weak background signal averaged using 2D Gaussian smoother (std: 2 min / 5 m). Removed points where SNR < 5."
	attribute long_name = "Attenuated backscatter coefficient"
	attribute units = "m-1 sr-1"
dataset /beta_raw: float32, shape (5720, 1540)
	attribute _FillValue = 0.0
	attribute long_name = "Raw attenuated backscatter coefficient"
	attribute units = "m-1 sr-1"
dataset /droplet_bit: int32, shape (5720, 1540)
	attribute comment = "Estimated from data."
	attribute long_name = "Liquid cloud droplet bit"
	attribute units = ""
dataset /elev: float32, shape (5720)
	attribute long_name = "Elevation above horizon"
	attribute units = "degrees"
dataset /flags: string, shape (5720)
	attribute comment = "Flags as 8 (CT25k) or 12 (CL31/51) character hex string. Each character represents 4 bits. See corresponding Ceilometer Users's Guide for more details."
	attribute long_name = "Alarm, warning, and internal status information"
	attribute units = ""
dataset /laser_energy: int32, shape (5720)
	attribute comment = "Percentage of nominal factory setting."
	attribute long_name = "Laser pulse energy"
	attribute units = "%"
dataset /laser_temp: int32, shape (5720)
	attribute long_name = "Laser temperature"
	attribute units = "degrees_C"
dataset /latitude: float32, shape ()
	attribute long_name = "Latitude of lidar"
	attribute units = "degrees_north"
dataset /longitude: float32, shape ()
	attribute long_name = "Longitude of lidar"
	attribute units = "degrees_east"
dataset /parameters: string, shape (5720)
	attribute comment = "Pulse type, pulse quantity, gain, bandwith, and sampling resolution. See corresponding Ceilometer Users's Guide for more details."
	attribute long_name = "Measurement parameters"
	attribute units = ""
dataset /range: float32, shape (1540)
	attribute long_name = "Range from lidar"
	attribute units = "km"
// range: first 0.00999999978, last 15.3999996, count 1540
dataset /receiver_sensitivity: int32, shape (0)
	attribute comment = "Available only in CT25K."
	attribute long_name = "Receiver sensitivity"
	attribute units = "%"
dataset /scale: int32, shape (5720)
	attribute comment = "Normal value is 100%."
	attribute long_name = "Measurement scale"
	attribute units = "%"
dataset /time: float32, shape (5720)
	attribute long_name = "hours since 2019-10-13 00:00:00"
	attribute units = "Decimal hours UTC since midnight"
dataset /vaisala_bases: float32, shape (3)
dataset /visibility: float32, shape (3600)
	attribute comment = "From Vaisala algorithm."
	attribute long_name = "Vertical visibility"
	attribute units = "km"
dataset /wavelength: float32, shape ()
	attribute long_name = "Lidar wavelength"
	attribute units = "nm"
dataset /window_contamination: int32, shape (0)
	attribute comment = "Available only in CT25K."
	attribute long_name = "Window contamination"
	attribute units = "mV"
dataset /window_transmission: int32, shape (5720)
	attribute comment = "Available only in CL31/51."
	attribute long_name = "Window transmission"
	attribute units = "%"