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HALO Doppler lidar

HALO Photonics StreamLine Doppler lidars.

Instrument ID: halo-doppler-lidar

Recommended files

File	Format	Description
*.hpl	text	Hourly measurements.
Background*.txt	text	Hourly background measurements.
system_parameters*.txt	text	Monthly system parameters. These should be submitted to the first day of the month.

If you have depolarisation measurements, you need to specify tags for *.hpl and Background*.txt files:

Tag	Description
co	Co-polarisation measurements.
cross	Cross-polarisation measurements.

Example

Example configuration for cloudnet-submit:

[[instrument]]
site           = "hyytiala"
instrument     = "halo-doppler-lidar"
instrument_pid = "https://hdl.handle.net/21.12132/3.421272f219be4f97"
path_fmt       = "/data/dlidar34/%Y/%Y%m/%Y%m%d/Stare_34_%Y%m%d_*.hpl"

[[instrument]]
site           = "hyytiala"
instrument     = "halo-doppler-lidar"
instrument_pid = "https://hdl.handle.net/21.12132/3.421272f219be4f97"
path_fmt       = "/data/dlidar34/%Y/%Y%m/%Y%m%d/Background_%Y%m%d_*.txt"

[[instrument]]
site           = "hyytiala"
instrument     = "halo-doppler-lidar"
instrument_pid = "https://hdl.handle.net/21.12132/3.421272f219be4f97"
path_fmt       = "/data/dlidar34/%Y/%Y%m/system_parameters_*_%Y%m.txt"
periodicity    = "monthly"

For depolarisation measurements:

[[instrument]]
site           = "hyytiala"
instrument     = "halo-doppler-lidar"
instrument_pid = "https://hdl.handle.net/21.12132/3.421272f219be4f97"
path_fmt       = "/data/dlidar34/co/%Y/%Y%m/%Y%m%d/Stare_34_%Y%m%d_*.hpl"
tags           = ["co"]

[[instrument]]
site           = "hyytiala"
instrument     = "halo-doppler-lidar"
instrument_pid = "https://hdl.handle.net/21.12132/3.421272f219be4f97"
path_fmt       = "/data/dlidar34/co/%Y/%Y%m/%Y%m%d/Background_%Y%m%d_*.txt"
tags           = ["co"]

[[instrument]]
site           = "hyytiala"
instrument     = "halo-doppler-lidar"
instrument_pid = "https://hdl.handle.net/21.12132/3.421272f219be4f97"
path_fmt       = "/data/dlidar34/cross/%Y/%Y%m/%Y%m%d/Stare_34_%Y%m%d_*.hpl"
tags           = ["cross"]

[[instrument]]
site           = "hyytiala"
instrument     = "halo-doppler-lidar"
instrument_pid = "https://hdl.handle.net/21.12132/3.421272f219be4f97"
path_fmt       = "/data/dlidar34/cross/%Y/%Y%m/%Y%m%d/Background_%Y%m%d_*.txt"
tags           = ["cross"]

Calibration

Field Name	Type	Unit	Description
time_offset	int	min	Time offset compared to UTC (positive values mean ahead of UTC, e.g. 120 for Finnish standard time).
azimuth_offset	float	degrees	Offset value to be added to azimuth angles if instrument doesn’t point to North.

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