O P E N    T E S T    S I T E S Electric emission of test objects within frequency range 30 MHz - 1000 MHz is measured on open test fields. With a 10 m measuring route it is best to cover the whole surface of 20 x 17 m with metall. As a standard material galvanized steel sheet is used. In order to avoid water on the area the surface is laid out as safety grating with holes. But other materials and surface structures are also possible. The individual segments can be srewed together, welded or clamped. In order to save money the area to be stepped on can be reduced and the remaining area can be covered with perforated steel sheet, expanded metall or one of the wire meshes. Upon request a turntable will be installed. As concerns the antenna mast anchoring pins are intended. The electric connections are laid protected beneath the test site. back