TABLE OF CONTENT 1.Remote Sensing 3 2.An Overview of Remote Sensing 3 3.What is remote sensing? 3 4.How is remote sensing useful? 4 5.Advantages of using remote sensing 4 6.Importance of correlating remotely sensed data with ground based data 4 7.Ways to interpret and use remotely sensed data 5 8.History of Remote Sensing 5 9.Platforms 6 10.Orbits and swaths 7 11.Process 8 12.Radiation 8 13.Electromagnetic energy 9 14.Basic system characteristics 10 15.Types of Sensor: 11 16.Satellite sensor characteristics 12 17.Digital Resolution 12 18.Choosing the Right Tool for the Job 14 19.Reflectance, Absorption and Transmission 14 20.Spectral Signatures 15 22.Pixels, Images and colors 16 23.Electro Magnetic Radiation (EMR) can be recorded on: 17 24.Current applications of remote sensing 18 25.Challenges of Remote Sensing 20 26.History of Indian Space Programmes 21 27.Introduction to GIS 23 28.GIS Application Areas 23 29.System Components 24 30.Spatial Analysis 24 31.Data Collection and Analysis 27 32.Data Models 31 33.Geodesy, Geodetic Datum's and Map Projections 34 34.Errors in GIS: 39 35.Topology 39 36.Spatial Relationships in Vector Systems 44 37.Operations using Polygon Overlay 47 38.Network Analysis 49 39.Global Positioning System 51 40.Reference: 52