Geometric Dilution of Precision (GDOP) Updated 19 April 2018 10:40 Follow The effects of the combined errors of four variables (latitude, longitude, altitude, and time) on the accuracy of a three-dimensional fix. Related articles Multipath How do I archive data in Verify-QC? L2 Frequency Band What RTCM messages are used by the VERIPOS services and what latencies are acceptable? What are the Advantages of Each VERIPOS Service? Comments 0 comments Please sign in to leave a comment.