[논문]Operation of the Radio Occultation Mission in KOMPSAT-5

Choi, Man-Soo; Lee, Woo-Kyoung; Cho, Sung-Ki; Park, Jong-Uk

doi:10.5140/jass.2010.27.4.345

[국내논문] Operation of the Radio Occultation Mission in KOMPSAT-5 원문보기

Journal of astronomy and space sciences, v.27 no.4, 2010년, pp.345 - 352

Choi, Man-Soo (Space Geodesy Research Group, Korea Astronomy and Space Science Institute) , Lee, Woo-Kyoung (Space Geodesy Research Group, Korea Astronomy and Space Science Institute) , Cho, Sung-Ki (Space Geodesy Research Group, Korea Astronomy and Space Science Institute) , Park, Jong-Uk (Space Geodesy Research Group, Korea Astronomy and Space Science Institute)

Abstract ▼ AI-Helper

Korea multi-purpose satellite-5 (KOMPSAT-5) is a low earth orbit (LEO) satellite scheduled to be launched in 2010. To satisfy the precision orbit determination (POD) requirement for a high resolution synthetic aperture radar image of KOMPSAT-5, KOMPSAT-5 has atmosphere occultation POD (AOPOD) system which consists of a space-borne dual frequency global positioning system (GPS) receiver and a laser retro reflector array. A space-borne dual frequency GPS receiver on a LEO satellite provides position data for the POD and radio occultation data for scientific applications. This paper describes an overview of AOPOD system and operation concepts of the radio occultation mission in KOMPSAT-5. We showed AOPOD system satisfies the requirements of KOMPSAT-5 in performance and stability.

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We are also performing researches, based on the results, on the operation strategies for the individual scenarios for the IGOR operation. In this article, we introduce the AOPOD system that is supposed to be installed to the KOMPSAT-5 as the sub-payload and present the results of the study about the operation strategies for the effective GPS radio occultation data gathering which is the satellite mission firstly performed in Korea. GPS radio occultation data can be utilized in various scientific applications including monitoring of atmosphere and ionosphere of the earth as well as weather forecast (Wickert et al.
In Table 3, the POD+OCC phase is divided into six modes depending on the GPS radio occultation functions of the IGOR and the KOMPSAT-5 operation scenarios. Additionally, for the effective occultation in each mode, four sets of occultation parameters were generated: setting atmospheric occultation (OCCAFT), rising atmospheric occultation (OCCFWD), setting ionospheric occultation (IONOAFT) and rising ionospheric occultation (IONOFWD).
In this article, the AOPOD system, the sub-payload of the KOMPSAT-5, and its functions were introduced and the operation strategy for the GPS radio occultation was described. Two phases and eight modes were established for the GPS radio occultation operation based on the KOMPSAT-5 operation phases and the various functions of IGOR.
In this article, the AOPOD system, the sub-payload of the KOMPSAT-5, and its functions were introduced and the operation strategy for the GPS radio occultation was described. Two phases and eight modes were established for the GPS radio occultation operation based on the KOMPSAT-5 operation phases and the various functions of IGOR. In addition, five IGOR operation categories were established and applied for the effective data gathering and each of the categories were constituted by the combination of various remote commands to perform the basic IGOR functions as well as the POD and occultation missions.

참고문헌 (11)

Choi, M. S., Cho, S. K., Choi, B. K., Jo, J. H., Park, J. U., Lee, W. K., & Park, I. K. 2008, Korea Astronomy and Space Science Institute (KASI) Technical Report: KOMPSAT-5 Space-Borne Dual Frequency GPS Receiver Test-Bed, Technical Report No.08-001-070 (Daejeon: KASI)
Fjeldbo, G., Kloire, A. J., & Eshleman, V. R. 1971, AJ, 76, 123, doi: 10.1086/111096
Hajj, G. A., Kursinski, E. R., Ramans, L. J., Bertiger, W. I., & Leroy, S. S. 2002, JASTP, 64, 451, doi: 10.1016/S1364-6826(01)00114-6

상세보기
KARI 2008, KARI Technical Report: KOMPSAT-5 Critical Design
KASI 2009a, KASI Technical Report: KASI IGOR Command and Data Dictionary, DUGD10411000-19 (Daejeon: KASI)
KASI 2009b, KASI Technical Report: KOMPSAT-5 AOPOD/Spacecraft Bus Interface Control Document, K5-SP-340-005 (Daejeon: KASI)
KASI 2009c, KASI Technical Report: KOMPSAT-5 AOPOD Payload Specification, K5-SP-570-001 (Daejeon: KASI)
Lee, W. K., Jeong, J. K., Cho, S. K., Park, J. U., Yoon, J. C., Lee, J. H., Cheon, Y. S., & Lee, S. R. 2007, JASS, 24, 297
Montenbruck, O., Williams, J., Wang, T., & Lightsey, G. 2005, DLR/GSOC Technical Report: Preflight Validation of the IGOR GPS Receiver for TerraSAR-X, GTN-TST-0200 (Munich:
Wickert, S., Reigber, C., Beyerle, G., Konig. R., Marquardt, C., Schmidt, T., Grunwaldt, L., Galas, R., Meehan, T. K., Melbourne,

상세보기
Williams, J., Lightsey, G., Yoon, S. P., & Schutz, R. E. 2002, in ION GPS Conference (Portland: Institute of Navigation), pp.703-714

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