In this video we will see how GPS or Global Positioning System (GNSS) works, which allows to geolocate devices along the earth's surface with great accuracy.

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Video References:
◉ https://www.gps.gov/
◉ https://www.gps.gov/technical/ps/2020...
◉https://www.maa.org/sites/default/fil...

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Index
00:00 Intro
00:45 GNSS
01:18 Trilateration
03:07 Coordinate System
03:45 Satellite Constellation
04:53 Distance Calculation
05:51 Problem 1: Instrument Accuracy
06:30 Problem 2: Synchronization of the Clocks
07:26 Problem 3: Effect of Atmospheric Layers
08:12 Location Calculation