The Lechner Knowledge Center processes and evaluates geospatial and Earth observation data, including satellite and aerial imagery and orthophotos, collected by using remote sensing technologies. It also monitors land surface changes in Hungary and Europe, creating digital terrain and surface models, as well as land cover and land use maps of the country. The Lechner Knowledge Center also acts as an official authority performing land survey, GIS and land registry tasks, operating and developing a uniform land registry system. Its professionals carry out tasks related to state borders and geodetic reference networks, while also operating and developing the GNSSnet.hu real-time satellite positioning system. As a state administrative body dealing with geodetic and geospatial information, the Knowledge Center manages and provides basic data from the state databases.