Home>>Observatory & Data Information >> Observatory information Observatory List and IAGA Code Observatories IAGA Code Data Resolution Etaiyapuram ETT HR Clarification on the data, please contact Name Dr. T S Sastry Address National Geophysical Research Institute Uppal Road Hyderabad 500 007 INDIA E-mail --- Fax --- Observatory Details IAGA ETT Name Etaiyapuram Begin from 1980-01-01 Continue --- Latitude 09.00 Longitude 78.00 Height --- Country India The Ettaiyapuram Magnetic Observatory was established in October 1979 by the National Geophysical Research Institute, Hyderabad at Ettaiyapuram (Tamilnadu). This observatory is operated and data processed by NGRI. IIG is publishing the data.