슬라이드 1
� real-time usable HF frequency for airlines, ships, military, etc � expanded the model coverage to East Asia in 2014 Way Pt.#1 Way Pt.#2 Way Pt.#3 Way Pt #1 Way Pt #2 Way Pt #3 Tx Way Pt #1 Way Pt #2 Way Pt #3 Rx Seoul Radio Station Lat. (°) OO.OO OO.OO OO.OO OO.OO Lon. (°) OOO.OO OOO.OO OOO.OO OOO.OO