海口市基础控制框架网和三等网的建立

Establishment of Haikou Basic Control Frame Networks and Ⅲ Class Networks

为满足新海口市城市建设和基础测绘工作的需要,建立了GPS框架网、三等GPS网和三等水准网,取得了一大批较可靠的基础控制成果。

To satisfy the need of new Haikou urban construction and basic surveying and mapping work, the GPS frame networks, Ⅲ class GPS networks and Ⅲ class levelling networks are built up, and obtained a large quantities of basic control results.