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Third-Party Notices

Code Dependencies

This project uses open-source npm packages listed in package.json and distributed under their respective licenses.

External Data and Services

Terrain Data

Copernicus DEM GLO-30 and GLO-90 tile catalogs and data:
- https://copernicus-dem-30m.s3.amazonaws.com/
- https://copernicus-dem-90m.s3.amazonaws.com/
Terrain tiles are fetched at runtime and cached locally in-browser.
Use of fetched data should comply with applicable source terms and licenses.
Operational policy: see SOURCE_COMPLIANCE.md.

Online Site Elevation Sync

Open-Meteo elevation API:
- https://api.open-meteo.com/v1/elevation

Basemap Rendering

CARTO style endpoints (Positron / Dark Matter) for map styling.
Map rendering is done with MapLibre GL.

Non-Affiliation

This project is independent and not affiliated with, endorsed by, or sponsored by VE2DBE / Radio Mobile.