EARLINET is the European Aerosol Research LIdar NETwork, coordinating 27 research lidar stations in different configurations and designs. LiCal is responsible for the calibration and check-up of the systems.

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ACTRIS is the Aerosol, Clouds and Trace gases Research infrastructure, a network of networks which integrates in situ and profiling instrumentation. LiCal is offering trans-national access to its calibration facilities.

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