한국항해학회지 (Journal of the Korean Institute of Navigation)
- 제22권3호
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- Pages.9-16
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- 1998
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- 1225-0481(pISSN)
군산지역에서 Loran C China North Sea Chain (GRI 7430 )의 측위 정도의 연구
A Study on the Accuracy of the Loran C China North Sea Chain (GRI 7430) Fix in Kunsan Area
초록
Loran C is a low frequently , pulsed. hyperbolic radio aid to navigation system, which operates in the 90 to 110 kHz frequency band. The position accuracy is not excellent but the repeatable and relative accuracy is very good, and it is very useful for fishing vessel in coastal waters. The operation of China north sea chain9GRI 7430) was begun on January, 1996, and in order to evaluate the accuracy of this chain, it was observed with Loran C receiver (LC-90, Furuno) in July 9 and December 30, 1997 at the fixed position of Kunsan national university. The obtained results were as follows : The time difference error of M-X, M-Y pair were
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