This document specifies general requirements,data transmission interface,transmission data type and transmission data structure between GNSS reference stations and data center.
This document is applicable to data transmission between GNSS reference stations and data center.
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This document specifies the basic requirements for low-altitude digital aerial photography and data processing, including the technical requirements for low-altitude digital aerial photography, photo control surveying, aerial triangulation and production of fundamental geographic information products.
This document is applicable to the production of 1∶500-, 1∶1 000-, 1∶2 000-scale digital orthophoto map (DOM), digital elevation model (DEM), digital surface model (DSM), digital line graph (DLG), etc., by using low-altitude digital aerial photography system of the unmanned aerial vehicle.
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