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Data sources
Operator MQTT broker
All topology and activity originate from the operator-configured MeshCore MQTT feed. The server sends no traffic to a shared CartoLite service. MQTT credentials stay inside the server container environment and are never returned by an endpoint.
CARTO vector basemap
The browser uses a minimal CARTO vector style for land, water, boundaries, roads, and place labels. Each operator supplies a CARTO Basemaps API key during the image build. The client makes normal TileJSON, vector PBF, and glyph requests directly to CARTO. There is no raster basemap fallback.
Optional terrain
Topography and 3D use Mapterhorn's public TileJSON endpoint at https://tiles.mapterhorn.com/tilejson.json. MapLibre reads its Terrarium elevation tiles only after a visitor enables Topography or 3D. No MQTT data or visitor identifier is added to those requests.
No country, regional-boundary, geocoding, weather, analytics, or history source is bundled.