Maritime Multi-Hop Communication Over 5G Networks: A Maritime Testbed Implementation and Evaluation. - Seppo Horsmanheimo; Lotta Tuomimäki; Andrea Gentili; Matias Varonen; Sami Ruponen; Kimmo Ahola; Johan Scholliers; Jose Costa; Mika Skarp; Marko Ojennus; Atro Lehtinen; Juha Karppinen; et al. (EuCNC/6G Summit, 2025)