WMS-Data50 view service is provided as a public view service for the Topographic Database of the Czech Republic Data50. The cartographic visualization of objects is based on the Base Map 1:50,000. The service can be used as a vector background map of the Czech Republic for scales from approx. 1:60,000 to approx. 1:25,000. The service fulfils the OGC WMS 1.1.1 and 1.3.0 standards.