almanac — third-party data notices
==================================

The Python source in this repository is licensed under the MIT License (see
LICENSE). The bundled and runtime-fetched DATA files are NOT covered by that
license; they are in the public domain as works of government:

1. World Magnetic Model 2025 — bundled
   Files: almanac/data/WMM2025.COF, almanac/data/WMM2025_TestValues.txt
   Source: NOAA/NCEI and the British Geological Survey (US/UK World Magnetic
           Model 2025). A work of the US Government; public domain.
   Validity: 2025.0–2030.0.

2. JPL DE421 planetary ephemeris kernel — fetched at runtime, not bundled
   File: de421.bsp (downloaded by skyfield into the working directory on first
         use of almanac.ephemeris)
   Source: NASA Jet Propulsion Laboratory. A work of the US Government; public
           domain.

No endorsement by NOAA, NCEI, BGS, NASA, or JPL is implied. The model values
this software reports are subject to the providers' own accuracy statements;
see the NOAA WMM disclaimer reproduced in README.md.
