GNSS reference station quality plots
Kuressaare reference station
Skyplot
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Signal quality graphs
Data from last 30 days
Graph last updated 23.01.2025 19:32:55
The Position Dilution of Precision (PDOP) provides an estimation of the accuracy of three-dimensional positioning relative to the observation point (reference station). It combines the values of HDOP (Horizontal Dilution of Precision), which assesses horizontal accuracy, and VDOP (Vertical Dilution of Precision), which assesses vertical accuracy. Satellite geometry is considered good when the PDOP value is below 5.