What are the three principal components of GPS?

The three principal components of GPS are indeed space, control, and user. The space segment consists of the satellites themselves that transmit signals to receivers on the Earth's surface. The control segment includes the ground stations that monitor and manage the satellites, ensuring they are functioning properly and that their data is accurate. Finally, the user segment represents the receivers that utilize the signals from the satellites to determine the user's precise location.

This understanding is foundational for navigating using GPS technology, as each component plays a crucial role in ensuring that location data is accurate and reliable. By recognizing how these components interact, a pilot can better grasp the functionality of GPS systems and their application in aviation.