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생활속의 위성항법, 보다 안전하게 제공하겠습니다!

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About the Chain

Overview of Loran-C

  • A type of LOng RAnge Navigation system
  • It consists of one master station and two to four secondary stations.
  • It measures positioning through the accurate arrival time interval of pulse radio wave between the master and secondary stations based on the principle of a hyperbola.
  • With a wide range of application and high accuracy, it is used for the navigation of vessels, aircraft, and motor vehicles.
  • It is synchronized with the coordinated universal time (UTC) and is used as the time standard.

Chain Operating Agencies

  • South Korea: Ministry of Oceans and Fisheries
  • Russia: Federal Agency on Industry, Rosprom

Organization of the Chain

Chain 구성 현황 이며 구분, 송신국(주국,종국), 통제국, 감시국으로 구분된 표 입니다.
Category Transmission Station Control Station Integrity Monitoring Station
Master Station Secondary Station
Station Name Pohang Gwangju Ussuriysk Okcheon Ulsan, Gangeolgot and Pyeongtaek
Output (kW) 150 50 700 - -
Operating Country South Korea South Korea Russia South Korea South Korea

Transmission Station Status (GRI 99300)

송신국 현황(GRI 99300)이며 구분, 송신국명, 송신국 좌표, 송신국 장비(출력:KW), 안테나 높이, C-Delay/기선거리, 비고로 구분된 표 입니다.
Category Station Name Coordinates Equipment (output: KW) Antenna Height C-Delay/baseline Distance Remarks
Control
Station		 Okcheon
(South Korea)		 N 36°18'09. 92788"
E 127°34'51. 17996"		 - - Chain control
Master Pohang
(South Korea)		 N 36°11'05. 450"
E129°20'27. 440"		 ACCUFIX6500
(150㎾)		 137M -
W Gwangju
(South Korea)		 N 35°02'24. 139"
E126°32'27. 520"		 ACCUFIX6500
(50㎾)		 122M 11000/
945.97		 -
Z Ussuriysk
(Russia)		 N 44°31'59. 702"
E131°38'23. 403"		 Chayka
(700㎾)		 51000/
3162.44		 Double Launch
GRI7950