17-18 February 2019 - 118th Anniversary of the Department of Lands at the Department of Lands Exhibition in Thailand 4.0, which consists of surveying with the satellite system RTK GNSS Network, land information system of the Department of Lands Including important operating results In the development of services for the public to be convenient and fast. In addition, the opening of the information system for handling complaints and grievances. Official Damrong Dharma Center and RTK GNSS Network System With a panel for satellite surveying technology and information systems And listen to experience in bringing technology and innovation to the Department of Lands Used to help 13 lives of youth football players at the Wild Boar Academy. Stuck in Luang Khun Nam Nang Cave, Mae Sai District, Chiang Rai Province, from Mr Narongsak Osotthanakorn, Phayao provincial governor And a mini concert from famous singer Tom ROOM39