Lighthouse

A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses and used as an aid to navigation for mariners and local fi

Lightdues

The Directorate General of Lighthouses and Lightships is a subordinate office under the Ministry of Ports, Shipping and Waterways.

ITUWTSA

The World Telecommunication Standardization Assembly (WTSA) is the governing conference of the ITU Standardization Sector (ITU-T), one of the three wo