FLARE network performance:  automated on-demand calibration for space, airborne and UAV assets

Holt, Jeffrey R.; Durell, Christopher; Russell, Brandon; Conran, David; Arnold, William R.; Schiller, Stephen

doi:10.1117/12.2587963

Cited by 1 publication

(1 citation statement)

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“…Independent radiometric validation has also become more important with the growing number of operational satellite constellations, many of which consist of CubeSats or nanosats that typically lack onboard calibration systems. Current groundbased techniques include automated instrumented sites [11], in situ measurements by onsite personnel [12][13][14][15][16][17][18], pseudo-invariant calibration sites (PICSs) [19], lunar observations, and mirror-based artificial targets [20,21]. Cross-calibration with suitable spaceborne and airborne sensors is also widely used for calibration and validation studies.…”

Section: Bandmentioning

confidence: 99%

The Ground-Based Absolute Radiometric Calibration of the Landsat 9 Operational Land Imager

Czapla-Myers,

Thome,

Anderson

et al. 2024

Remote Sensing

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This paper presents the initial vicarious radiometric calibration results for Landsat 9 OLI using a combination of ground-based techniques and test sites located in Nevada, California, and South Dakota, USA. The field data collection methods include the traditional reflectance-based approach and the automated Radiometric Calibration Test Site (RadCaTS). The results for top-of-atmosphere spectral radiance show an average ratio (OLI/ground measurements) of 1.03, 1.01, 1.00, 1.02, 1.02, 1.01, 0.98, and 1.01 for Landsat 9 OLI bands 1–8, which is within the design specification of ±5% for spectral radiance. The results for top-of-atmosphere reflectance show an average ratio (OLI/ground measurements) of 0.99, 0.99, 1.00, 1.02, 1.01, 1.02, 1.00, and 1.00 for Landsat 9 OLI bands 1–8, which is within the design specification of ±3% for top-of-atmosphere reflectance.

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