Text book of Remote Sensing GIS and GPS

The book "Text Book of Remote Sensing, GIS and GPS" provides a complete understanding of the modern tools and technologies used in geography, environmental studies and spatial analysis. It explains how remote sensing, geographic information systems (GIS) and the global positioning system (GPS) work together to study, map and manage the Earth's surface. The book covers the fundamentals, principles, techniques and practical applications of these technologies. It begins with the basics of remote sensing, including electromagnetic radiation, sensors and satellite systems. It then explains digital image processing, GIS data handling, spatial analysis, GPS surveying and photogrammetry. The text also introduces computer applications, digital cartography and programming concepts useful for geography and environmental research. Each unit is arranged logically to help students learn step-by-step - from theory to practical exercises. Real-world examples, diagrams and field-based activities make it easy to understand. This book is especially useful for students, teachers, researchers and professionals in geography, earth sciences, environmental management and planning.