DOP.md

@@ -2,6 +2,8 @@ DOP (Dilution of Precision) in Global Navigation Satellite Systems (GNSS) refers
 
 _This image shows how satellite positions impact the DOP._
 
+[![2-Figure2-1__1_](uploads/1ea4a482fe668d8c807a2d7498d42184/2-Figure2-1__1_.png)](https://www.semanticscholar.org/paper/Analysis-of-DOP-and-its-preciseness-in-GNSS-Tahsin-Sultana/f01b3b112af4eb41696932f63931e6e16a36a8ab)
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 **There are several types of DOP values, including:**
 
 * **PDOP (Position Dilution of Precision):** Indicates the dilution of precision in the calculated position of the receiver. A lower PDOP value indicates a better satellite geometry and a more precise calculated position.
@@ -13,6 +15,9 @@ The DOP values are calculated based on the positions of the satellites in the sk
 
 _This picture how the geometry impacts the measurement errors._
 
+[![Capture_d_écran_2023-01-23_173946](uploads/4cb20f3214b1bc70df8f7fd2e872451a/Capture_d_écran_2023-01-23_173946.png)](https://www.marine-pilots.com/file/dynamic/?token=s7YNZAX3rgtfQMh6AfaFNPfKLjpfDro2rLRUyN1I3upEnTNrS2Xc9xxFz15O2z_l)
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 Overall, DOP in GNSS is a measure of the geometric quality of the satellite configuration as seen from a receiver. It gives an indication of the quality of the satellite geometry and the precision of the calculated position, it is used by the receiver to determine the quality of the signal and make adjustments accordingly. The DOP values are calculated based on the positions of the satellites in the sky and the receiver's position, a low DOP value indicates that the satellites are well-distributed in the sky and that the calculated position is likely to be more accurate.
 
 #### Sources :