Horizontal Dilution of Precision (HDOP) Updated 19 April 2018 10:39 Follow The effects on accuracy of the combined errors in a two-dimensional fix obtained from crossing two lines of position. Related articles World Geodetic System 1984 (WGS 84) What is the current release verison of the Verify-QC software and where can I get a copy? Dilution of Precision (DOP) How do I configure the LD7 as an RTK Rover? What are the benefits of the VERIPOS GPS + GLONASS Services? Comments 0 comments Please sign in to leave a comment.