The GNSS control points used for positioning services provided by the South Korea’s government. Green dots = installed stations; orange dots = to be installed by the end of this year. (Image: National Geographic Information Institute)
South Korea has launched a test operation of a new GPS-based positioning service, reports the Korea Herald. The Gridded Virtual Reference Station (G-VRS) works without an internet connection to provide real-time location data with centimeter-level accuracy.
The G-VRS will complement the current VRS system for users in remote areas with unstable internet connections — islands, mountains or fast-moving vehicles.
GNSS control points have been installed across the country, including four on Jeju Island and one in Gageodo, an island off the southwestern coast. The state plans to install additional points on four islands, including Ulleungdo, about 120 kilometers off Korea’s eastern coast, to operate 103 control points in total by the end of this year.