| Analysis of DGPS Approach and Landing Accuracy using Air Base Precision Approach Radar |
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Jung Koo, Sang-Ho Pyo, Kyeong-Sung Kang, Ki-Hyung Kim |
1Air Force Operation's Information and Communication Wing
2Ajou University |
| 비행기지 PAR을 이용한 DGPS 공항 접근 및 착륙 정확도 분석 |
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구정, 표상호, 강경성, 김기형 |
1공군작전정보통신단
2아주대학교 |
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| Abstract |
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This paper analyzes the accuracy on the approach and landing of aircraft to an airport through comparison with airbase Precision Approach Radar and aircraft track data of DGPS equipped in aircraft. The proposed analysis result could be a basis for verifying the possibility that DGPS can be utilized in Airbase precision approach and landing. Position identification capability of widely used commercial DGPS is fairly accurate on latitude and longitude, while there is a slight error for being used in an airbase accurate approach and landing of Category I precision when it comes to altitude. Thus, we tested accuracy by analyzing actual flight track data of high performance aircraft to verify the accuracy of the airbase approach and landing using DGPS. Through the research, we developed instrumentation to compare PAR track data with DGPS track data, which can be used in reducing the number of PAR verification Flight utilizing it as a system measuring PAR accuracy at PAR installation phase. |
| Key Words:
DGPS(Differential Global Positioning System), NDGPS(Nationwide DGPS), G/SBAS(Ground/Satellite Based Argumentation System), LAAS(Local Area Argumentation System) PAR(Precision Approach Radar) |
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