Star Vision Limited provides Geospatial Data Management System (GDMS) service.
GDMS includes a software system that facilitates the checking of the exact height limit of surfaces in the Airport Height Safeguarding Plan (AHSP) and each Communication, Navigation and Surveillance (CNS) systems. The system can be used to check if any proposed/ planned buildings, structures, or facilities may be above the height limit.
星眺有限公司提供地理空間資料管理系統（GDMS）服務。
GDMS包含一個軟體系統，用於核查機場高度保障計畫（AHSP）以及各通訊、導航和監視（CNS）系統中各表面的精確高度限制。此系統可用於檢查任何擬建/規劃的建築物、構築物或設施是否可能超過高度限制。
