Tonga Levelling Survey Report - 2008

This report outlines the level survey completed during the visit to Nuku'alofa, Tonga October 2008.This is the third EDM Height Traversing levelling survey of the deep bench mark array in Nuku'alofa, the Republic of Tonga. This is a repeat survey. On eight previous occasions, from January 1993 to June 2003 the Tonga level survey was performed by the National Tidal Centre (NTC) using the Precise Differential Levelling technique.This project is sponsored by the Australian Agency for International Development (AusAID), managed by the Bureau of Meteorology (BOM) and supported by the National Geospatial Reference Systems Project (NGRS), Geospatial Earth Monitoring Division, GEOSCIENCE AUSTRALIA.