If all the explanations, as comprehensive as they were meant to be, sounded like a foreign language to you, then here's a final endeavor to clarify your understanding of the Global Positioning System. And here's a wonderful Video that shows an expert giving a thorough and dexterous yet comprehensive explanation of GPS. If the concepts of 2-D and 3-D trilateration was not clearly comprehended for example, this video surely clarify any misunderstandings.
The quality of the video, it has to be said, is a long shot away from the quality of the explanations given in this video!!!
The quality of the video, it has to be said, is a long shot away from the quality of the explanations given in this video!!!