How GPS Actually Works 😱📍 Phone Location & Navigation 📡
Have you ever wondered how your phone knows your exact location on a map 📍🛰️ GPS works through a network of satellites orbiting Earth at an altitude of about 20,000 kilometers. These satellites constantly transmit radio signals that include the exact time the signal was sent and the satellite’s position in space. Your phone receives the signals, measures how long they traveled and converts that time into distance. With one satellite, your location could be anywhere on a sphere. A second narrows it to a circle. A third reduces it to two possible points. Only a fourth satellite allows GPS to determine one exact location on Earth 🌍📡 This system relies on extreme timing accuracy. An error of just one millisecond could shift your location by about 300 kilometers. That is why GPS satellites use atomic clocks, the most accurate clocks ever created by humans ⏱️
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