Proceedings Article | 27 August 2024
A. Ziad, C. Giordano, A. Aresta, C. Aristidi, C. Bailet, C. Bertolin, M. Carbillet, S. Cavazzani, D. Ceus, T. Charbonnel, Y. Caujolle, A. Gillioën, Y. Gonzalez-Ramos, A. Irbah, A. Le Kernec, O. Liandrat, J. Riédi, N. Schmutz, D. Vedani, S. Victori
KEYWORDS: Clouds, Aerosols, Atmospheric particles, Turbulence, Equipment, Atmospheric optics, Sun, Cameras, Photometry, Environmental monitoring
The ANAtOLIA (Atmospheric moNitoring to Assess the availability of Optical LInks through the Atmosphere) project funded by the European Space Agency, aims to ground sites selection and assess their availabilities for optical links through the atmosphere. In the same way than Astronomical observations, space-to-ground optical communications are limited by clouds, aerosols and atmospheric turbulence. Therefore, we developed in the framework of the ANAtOLIA project, an innovative and efficient instrumentation and methods to accurately measure, analyze, characterize, and ultimately predict critical atmospheric parameters for the purposes of the selection of the astronomical and OGS (Optical Ground Station) sites and the evaluation of their availability. The main mission objectives of ANAtOLIA are to design, manufacture, procure and assembly a self-standing and autonomous ground support equipment, comprising cloud, aerosol and turbulence monitoring to deliver precise measurements of the atmosphere transmission. After two years of instrumental specifications, design, development and on sky tests, the ANAtOLIA station in now installed in four different European sites since February 2023. ANAtOLIA is a compact mobile station consisting of the GMT monitor (Generalized Monitor of Turbulence), Reuniwatt Sky Insight camera and Cimel CE318-T photometer, which is operational 24h a day, 7 days a week in any site around the world with minimal infrastructure. The data collected with these ANAtOLIA monitors during a 24 month campaign, will be correlated with data available from other sources of cloud coverage and atmospheric conditions (e.g., MSG, MODIS, local meteorological sites), to improve knowledge of the optical link availability for selected OGS sites and to carry out a long-term validation of the optical link availability prediction methods.
