The UAA INFO @ HAND application of the Hungarian Hydrological Society and its professional events shows. The Hungarian Hydrological Society (UAA) professional - social organization. Its purpose is to promote and enable the exchange of knowledge and experience between the modern water technology in the field of science and working professionals. In 2013 the Company's 96-year-old Hungarian Geological Society was founded in 1917 specialized department of hydrology and the Hungarian Association of