# FY-4A Space Environment Package
*component . products*

FY-4A ancillary space-environment payload including charged-particle monitoring at platform level; modelled as a component because current sensor families do not cover in-situ space-weather packages.

## Specifications
- **product status**: operational
- **deployment context**: orbital
- **manufacturer**: cma
- **entity type**: component
- **last verified date**: 2026-06-14
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: cma
- **attributes**: {"kind":"component","product_status":"operational","deployment_context":"orbital","manufacturer":"cma","description":"FY-4A ancillary space-environment payload including charged-particle monitoring at platform level; modelled as a component because current sensor families do not cover in-situ space-weather packages."}
- **relevance**: ancillary

## Compositional position
- fy-4a (missions) --[mission_payloads]--> FY-4A Space Environment Package

## Sources
- [wmo-sep-heps] | WMO OSCAR instrument record: SEP/HEPS | https://space.oscar.wmo.int/instruments/view/sep_heps | tier=agency-doc | accessed=2026-06-14
- [wmo-fy-4a] | WMO OSCAR satellite record: FY-4A | https://space.oscar.wmo.int/satellites/view/fy_4a | tier=agency-doc | accessed=2026-06-14
- [nsmc-fy4a] | NSMC FY-4A satellite page | https://www.nsmc.org.cn/nsmc/en/theme/FY4A.html | tier=agency-doc | accessed=2026-06-14

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Source: https://eo-atlas.org/products/component/sep-fy-4a
Maintainer: SpectraWorks B.V. (CC-BY 4.0)