# RefCal v0 (placeholder)
*methodology . standards*

Placeholder RefCal methodology entry. Replaced when the v1 methodology ships from SpectraWorks. All early calibration_grading edges anchor here so the schema is exercised end-to-end before v1 lands.

## Specifications
- **version**: 0
- **authority**: spectraworks
- **last verified date**: "2026-05-08T00:00:00.000Z"
- **verified by**: sw
- **claim status**: unclaimed

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Source: https://eo-atlas.org/standards/refcal-v0
Maintainer: SpectraWorks B.V. (CC-BY 4.0)