GPS Satellite Surveying in Developing Countries - A Review

The use of the GPS system for survey and geodesy is a technological breakthrough that will revolutionize the standards, accuracy, speed and practice of every day surveying. In particular this new satellite technology holds enormous potential for developing countries which lack both human and financial resources.The aim of this paper is to introduce the GPS system and discuss its application to geodesy and mapping purposes. The paper will discuss some issues pertaining to the adaptation of GPS technology to the needs, capabilities and resources of developing countries. Special attention will be given to the choice of proper GPS receivers and available alternatives for obtaining satellite ephemerides