Analysis of Positioning Accuracy Using LX GNSS Network RTK

LX 위성측위 인프라기반 네트워크 RTK를 이용한 측위성능 분석

Ha, Jihyun;Kim, Hyun-ho;Jung, Wan-seok

  • Received : 2015.11.13
  • Accepted : 2015.12.09
  • Published : 2015.12.30


The Spatial information research institute of the LX Korea land and geospatial informatix corporation manages infrastructure for the LX global navigation satellite system (GNSS), which comprises 30 monitoring stations nationwide. Since 2014, it has conducted network real-time kinematic (RTK) tests using the master-auxiliary concept (MAC). This study introduces the infrastructure of LX GNSS and presents the results of a performance analysis of the LX RTK service. The analysis was based on a total of 25 cadastral topographic control points in Jeonju, Seoul, and Incheon. For each point, performance was measured over one observation, two repeated observations, and five repeated observations. The measurements obtained from LX MAC and the VRS of the National Geographic Information Institute were compared with the announced coordinates derived from cadastral topographic control points. As a result, the two systems were found to have similar performance with average error and standard deviation differing only by 1 to 2 cm.


LX GNSS permanent stations;Global navigation satellite system;Real-time kinematic;Positioning accuracy


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