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3. Diggelen, F., Want, R. & Wang, W., (2018), How to achieve 1-meter accuracy in Android. GPS World.
4. DroneDeploy, (2017), Seven Ways to Improve the Accuracy of Your Drone Maps. ( Accessed 9 June 2026).
5. Psychas, D., (2016), Διερεύνηση και ανάλυση τεχνικών βελτίωσης της ακρίβειας της μεθόδου εντοπισμού PPP με τη χρήση πολλαπλών συστημάτων GNSS. Dspace.lib.ntua.gr. ( Accessed 9 June 2026).
6. Lunar and Planetary Institute (LPI), (2020), Topography and Satellite Images. ( Accessed 9 June 2026).
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Ieeexplore.ieee.org. ( Accessed 9 June 2026).
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17. NASA Earthdata, (2026). Topography. ( Accessed 9 June 2026).
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