{
  "date": "2026-10-04",
  "type": "Contrôles des données et du calcul, sans observation sur place",
  "method": "Grilles IGN enregistrées ; points sur les contours OSM ; comparaison du masque du relief avec un parcours indépendant des altitudes vers le soleil. Les deux calculs partagent les données et le pas de la grille : ce contrôle ne valide pas leur exactitude sur le terrain.",
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}