Addition of WiFi and LBS does NOT improve GPS Accuracy
Contrary to what some GPS tracker companies are stating the addition of wi-fi and LBS (GSM Masts) does NOT improve GPS accuracy. According to the United States government civilian GPS has an accuracy of 4 metres RMS (7.8 metre 95% Confidence Interval) depending on conditions. GPS relies on accurately measuring the time it takes for radio waves to travel from different satellites to the receiver. LBS and Wi-Fi location uses triangulation to determine the location, the accuracy
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