# HY Satellite Calibration Spectrometer
*component . products*

Satellite calibration spectrometer flown on HY-1D.

## Specifications
- **product status**: operational
- **deployment context**: orbital
- **manufacturer**: cast
- **component**: {}
- **entity type**: component
- **last verified date**: 2026-06-16
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: cast
- **attributes**: {"kind":"component","product_status":"operational","deployment_context":"orbital","manufacturer":"cast","description":"Satellite calibration spectrometer flown on HY-1D.","component":"{}"}
- **relevance**: in-scope

## Editorial
HY Satellite Calibration Spectrometer is an orbital calibration component flown on HY-1D.[^wmo-oscar-hy1d][^nsoas-hy1d] It supports onboard radiometric calibration within the HY ocean-colour satellite instrument suite.[^jrs-hy1cd-products] The component sits in the mission calibration chain rather than functioning as a standalone imaging payload.[^jrs-hy1cd-products] HY-1C SCS is a sibling calibration instrument, not the same HY-1D component.[^wmo-oscar-hy1d][^mdpi-hy1c-scs-calibration]

## Compositional position
- hy-1d (missions) --[mission_payloads]--> HY Satellite Calibration Spectrometer

## Sources
- [wmo-oscar-hy1d] | WMO OSCAR satellite record: HY-1D | https://space.oscar.wmo.int/satellites/view/hy_1d | tier=community | accessed=2026-06-16
- [nsoas-hy1d] | NSOAS HY-1D mission page | https://www.nsoas.org.cn/eng/item/239.html | tier=operator-press | accessed=2026-06-16
- [jrs-hy1cd-products] | Products of HY-1C/D ocean color satellites and their typical applications | https://www.ygxb.ac.cn/en/article/doi/10.11834/jrs.20235002/ | tier=peer-reviewed | accessed=2026-06-16
- [mdpi-hy1c-scs-calibration] | Time Series Analysis-Based Long-Term Onboard Radiometric Calibration Coefficient Correction and Validation for the HY-1C Satellite Calibration Spectrometer | https://www.mdpi.com/2072-4292/14/19/4811 | tier=peer-reviewed | accessed=2026-06-16

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Source: https://eo-atlas.org/products/component/hy-scs
Maintainer: SpectraWorks B.V. (CC-BY 4.0)