Today's people everyday life seems impossible without use of global navigational satellite systems. Different kinds of satellite navigation have wide range of different usage. At first it was used for military purposes, then it became useful for road navigation, air navigation and marine navigation, to find its use in agriculture, search and rescue missions, as well as in police force just like in meteorological service. A well-known satellite navigation system is GPS (Global Positioning System) that provides location and time information in all weather conditions, anywhere on or near the Earth and is freely accessible to anyone with a GPS receiver. More information about satellite navigation system and its use, all visitors will find out during this live presentation.