An Empirical Expression for Attenuation Coefficient Evaluation of FSO Links during Night-Time over Maritime Area of Piraeus Port in Greece - Stassinakis, A.N.; Nistazakis, H.E.; Chatzikontis, E.V.; Roumelas, G.D.; Tombras, G.S.; Tsigopoulos, AD; Mkrttchian, G. (2020 9th International Conference on Modern Circuits and Systems Technologies, MOCAST 2020, 2020)