Abstract
최근 네트워크 RTK사용자 수의 증대에 따라 기존의 VRS(Virtual Reference station)서비스의 접속대기시간이 길어져 측량소요시간이 길어지는 등의 불편함을 초래하고 있다. 국토지리정보원에서는 이러한 불편함을 해소하고자 단방향통신의 FKP(Flachen-Korrektur Parameter)기법을 개발하여 서비스하고 있으나 현장에서의 정확도에 대한 신뢰성 문제로 파급속도가 늦어지고 있다. 본 연구에서는 신뢰성검증을 위해 8점의 통합기준점을 검사점으로 하여 VRS와 FKP기법으로 측량한 결과를 다양하게 비교, 분석하였다. 결과분석에서 VRS기법에 비해 FKP기법에 의한 표준편차가 <TEX>${\pm}0.02m$</TEX>로 약2배였으나 평균오차 X:-0.025m, Y:0.011m를 얻음으로써 현장실용성을 검증할 수 있었으며 현장에서의 FKP측량의 활용확대가 기대된다. The recent increase in the number of network RTK users has led to a longer wait time for connecting to the existing VRS service, and consequently caused inconvenience such as a longer turnaround time for surveys. To resolve such issue, the NGII has developed the FKP service that involves a one-way communication. However, it is not spreading across the market as fast as anticipated, due to accuracy problems in the field. This study uses eight unified control points for a reliability assessment to compare and analyze the survey results obtained through the VRS and FKP services in various ways. The analysis reveals that the standard deviation of the FKP service is <TEX>${\pm}0.02m$</TEX>, which is two times larger than that of the VRS, whilst its standard errors are X:-0.025m and Y:0.011m, proving that it is reliable to be used in the field. Therefore, we expect that the FKP service is going to be more broadly utilized for field surveys in the future.
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