<p>LOCATION: Italy, Tito (Potenza)</p>

<p>Access and integration of data provided by different ACTRIS and ICOS (next future) active, passive and in-situ instruments operating at CIAO, included the possibility to carry out integrated studies through the access with the user instrument. Specific measurements campaign can be planned based on user request.<br />
CIAO geographic position, in the Mediterranean basin but on a mountain far from big cities, makes the observatory a perfect location for investigating different aerosol types and atmospheric processes and setting up experiments with the support of the researches and technicians operating CIAO.<br />
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<p>TIME CONSTRAINTS: Multi-day stay of external users at CIAO must be discussed and planned with CNR-IMAA. External users are allowed to access the “CIAO observatory only under CNR-IMAA personnel supervision. Accessibility rules can change as a function of the evolution of the COVID-19 pandemic.</p>

<p>SERVICE STATUS: The service is available (operational and ready to be offered). At present the following instruments are available at CIAO: multi-wavelength Raman lidar, photometer, multiwavelength Raman lidar, Doppler lidar, cloud radar, microwave profiles, ceilometer, radio-sounding.  </p>