Digital systems of geometric leveing as a subject of geodetic science about surveying instruments
This article describes the main provisions of digital systems of geometric leveling, as a matter of subject about surveying instruments, basic requirements for geodetic instruments, possible faults and leveling their remedies. The article deals with the question of the organization of repair of surveying instruments and the question of metrological service centers, the question of compulsory metrological certification o f surveying instruments, which is a major prerequisite for the corresponding high-precision leveling. The article is written in two parts.