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GPS will be accurate within one foot in some phones next year - The Verge
Navigation with smartphones and handheld GPS devices - Wilderness Magazine
How to achieve 1-meter accuracy in Android - GPS World
Test your Android device's satellite navigation performance
Precision GPS | NASA
Mobile phone tracking - Wikipedia
ESA - Dual-frequency smartphone app winners prove power of two
We Tested Mobile GPS/GNSS Accuracy and Found Some Surprising Results | by !important Safety Technologies | Medium
Quantum entanglement offers unprecedented precision for GPS and more (Update)
We Tested Mobile GPS/GNSS Accuracy and Found Some Surprising Results | by !important Safety Technologies | Medium
Galileo Hits the Spot: Testing GNSS Dual Frequency with Smartphones - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design
GPS.gov: GPS Accuracy
How Do You Know If Your Mobile Device's GPS Accuracy is Lying? - Eos
Is your phone using Galileo? | GALILEO
How Accurate is the GPS on my Smartphone? (Part 1) — Community Health Maps
How Accurate is the GPS on my Smartphone? (Part 1) — Community Health Maps
Android phone location data is about to get a lot more accurate | Engadget
Is High-Precision GNSS Coming to Your Smartphone? - xyHt
GPS.gov: GPS Accuracy
Do smartphones have real GPS? - Quora
Highly Accurate GPS Is Possible Thanks to NASA | NASA
Navigating the Future: The Latest in GPS Technology | Technology
PDF) On the (In-)Accuracy of GPS Measures of Smartphones: A Study of Running Tracking Applications