{
  "schema_version": "1.0.0",
  "purpose": "Public provenance registry for FlightSafetyLabs visual layers.",
  "sources": [
    {"id":"awc-sigmet","name":"NOAA Aviation Weather Center","class":"live","cadence":"15 minutes","use":"International SIGMET and volcanic-ash advisories","primary_url":"https://aviationweather.gov/"},
    {"id":"nhc-cyclones","name":"NOAA National Hurricane Center","class":"live","cadence":"source-dependent","use":"Tropical-cyclone advisories","primary_url":"https://www.nhc.noaa.gov/"},
    {"id":"swpc","name":"NOAA Space Weather Prediction Center","class":"live","cadence":"source-dependent","use":"Space-weather status","primary_url":"https://www.swpc.noaa.gov/"},
    {"id":"gnss","name":"GNSS interference footprint","class":"representative","cadence":"manual review","use":"Situational-awareness context only","primary_url":"https://gpsjam.org/"},
    {"id":"conflict-zones","name":"Conflict-zone footprint","class":"representative","cadence":"manual review","use":"Situational-awareness context only","primary_url":"https://safeairspace.net/"},
    {"id":"launches","name":"The Space Devs Launch Library 2","class":"live_schedule_with_modelled_overlay","cadence":"source-dependent","use":"Launch schedule; displayed hazard corridors are not official NOTAMs","primary_url":"https://thespacedevs.com/"}
  ]
}