The Scientific requirements dictated that the Indian MST Radar should be located preferably below 15° North latitude. After careful consideration of various constraints, a site (13.5°N, 79.2°E) at Gadanki Village, near the temple town of Tirupati in the state of Andhra Pradesh located on the Chittoor-Tirupati main road was selected. NARL has a picturesque landscape spreading over an area of about 55 acres. How to reach: Gadanki is about 35km soutwest of Tirupati town. Regular bus services between Tirupati and chittoor ply through Gadanki. On request, NARL can provide transport between Tirupati and Gadanki. Reaching Tirupati: By Air: The nearest airport is at Renigunta (15kms). Tirupati is directly connected by air with Delhi, Hyderabad and Bangalore. From airport one can hire taxi or take a bus to Tirupati.

By Rail: Tirupati is well connected by rail with Hyderabad, Chennai, Bangalore, Mumbai , NewDelhi etc.,

By Road: Tirupati is well connected by roads and is linked with important cities like Hyderabad (617 km), Bangalore (248 km), Chennai (151 km), Vijayawada (380 km) etc., through good roadways.