TRUE AZIMUTH AND NORTH FINDING METHOD AND SYSTEM

摘要

A method and a system for obtaining a true azimuth heading for correcting a coarse azimuth heading measured from an observation position (402) to a specific selected target (406) by operating a data acquisition system (200) disposed at the observation position. Data and measurements are taken to retrieve a calculated target location, including measurement errors. The calculated target location is surrounded by the error area limits, which are presented as a search zone on a display module (30), and superimposed on a map. Either an automatic scan or an operator conducted search is prompted within the search zone limits, to find the specific selected target, which when found and indicated, operates the computer module (30) for retrieving measured location data of the specific selected target from a source of measured location data (21). Once found, calculations of the true azimuth are performed, allowing the derivation of the true North.