Development of web-based GIS for marine data information by Mahmud, Mohd. Razali, Zainal, Norfariza

“…Geographic Information System (GIS) is the main components in hydrography technology especially in navigation purpose. …”
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A concept design of three rudders-shaped like body in columns for low-drag USV by Azzeri, M. N., Adnan, F. A., Adi, M., Md Zain, M. Z.

“…This paper presented a new design for the unmanned surface vessel (USV) platform with a self-manoeuvring system which is capable of collecting the same data as a hydrography boat. This platform was designed with three hulls that were placed in triangle position. …”