Question 6. The Global Positioning System (GPS) is the most widely used GNSS. In point form, briefly answer the followin

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Question 6 The Global Positioning System Gps Is The Most Widely Used Gnss In Point Form Briefly Answer The Followin 1 (52.08 KiB) Viewed 42 times

Question 6. The Global Positioning System (GPS) is the most widely used GNSS. In point form, briefly answer the following questions: i. Why is it necessary for a GPS receiver to observe at least four satellites in order to reliably measure its location on Earth? ii. Approximately what accuracy (horizontal and vertical) would you expect to achieve with a single, low cost, handheld GPS receiver? iii. Explain why differential GPS methods can be used to improve the accuracy of GPS measurements. iv. Low accuracy GPS use only the PRN signal; higher accuracy GPS use carrier phase methods. Explain this statement. V. Type answer, please don't hand write