The book Introduction to Satellite Technology and Its Applications offers a thorough exploration of modern satellite technologies and their diverse practical uses. It provides a broad overview of applications ranging from military and remote sensing to scientific and navigational purposes. This book provides a brief overview of the many stages in the development of satellites and satellite launch vehicles, starting with the use of hot air balloons and sounding rockets in the late 1940s and early 1950s and ending with current technology. With its eight chapters, each dedicated to a specific topic, the book serves as a valuable resource for researchers, professionals, and engineering students interested in the field of satellite technology and space sciences. Additionally, it covers the exciting advancements in communication systems using low earth orbit satellites (LEOS), the design considerations for efficient MEO constellations, and the propulsion technologies of cube-satellites (CubeSats). It also touches upon the applications and characteristics of small satellites. Lastly, the book concludes with a glimpse into future trends in satellite technology and satellite communication systems.