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[White Paper] Geolocation Accuracy of KOMPSAT (Q2, 2013)

White Paper

Author

hana kwon

Date

2014-09-16 05:41

Views

7905

1. Geolocation accuracy

KOMPSAT constellation consists of two satellites, KOMPSAT-2 and KOMPSAT-3 providing optical imagery of very high resolution. Korea Aerospace Research Institute (KARI) and Satrec Initiative (SI) performs regular geolocation accuracy measurements. This paper presents process and result of assessment of geolocation accuracy of KOMPSAT-2 and KOMPSAT-3 imagery.

The geolocation accuracies of KOMPSAT-2 and KOMPSAT-3 are summarized in following table. This results are valid for tilt angle less than 30 degrees and exclude terrain effects.

Satellite	Resolution	Design specification	Measurements	Remarks
KOMPSAT-2	1 m	80 m CE90	50.9 m CE90	Refine attitude and ephemeris are used
KOMPSAT-3	0.7 m	70 m CE90	48.5 m CE90	Refine attitude and ephemeris are used

Table 1. Geolocation accuracy of KOMPSAT-2 and KOMPSAT-3 (Q2, 2013)

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1	[White Paper] Geolocation Accuracy of KOMPSAT (Q2, 2013) hana kwon 2014.09.16 7905	hana kwon	2014.09.16	7905