{
  "formatVersion": 2,
  "club": "SHSC",
  "name": "Calves Week 2026 racing marks, from the club's marks, distances and bearings sheet, lettered by its chartlet, and the Fastnet Rock",
  "source": "Schull Harbour Sailing Club, \"Calves Week, Marks, Distances and Bearings\", version 1, 9 July 2026, supplied to the project and not published",
  "notes": [
    {
      "title": "Positions",
      "text": "Mark Positions may vary slightly. All figures are approximate"
    }
  ],
  "marks": [
    {
      "id": "W",
      "name": "Weather Mark",
      "color": "red conical",
      "placement": "Laid on the day as the weather mark; the sheet lists it with no position."
    },
    {
      "id": "A",
      "name": "Amelia",
      "shape": "nav bouy",
      "color": "conical green",
      "position": {
        "lat": 51.5,
        "lng": -9.523833
      }
    },
    {
      "id": "C",
      "name": "Cush",
      "shape": "north cardinal",
      "color": "yellow nav",
      "position": {
        "lat": 51.505167,
        "lng": -9.5465
      }
    },
    {
      "id": "EC",
      "name": "East Calf",
      "shape": "island",
      "position": {
        "lat": 51.479,
        "lng": -9.476333
      }
    },
    {
      "id": "G",
      "name": "Goat Island",
      "shape": "island",
      "position": {
        "lat": 51.489167,
        "lng": -9.605667
      }
    },
    {
      "id": "P",
      "name": "Perch/Bull Rock",
      "shape": "iron beacon",
      "position": {
        "lat": 51.5125,
        "lng": -9.536667
      }
    },
    {
      "id": "WC",
      "name": "West Calf",
      "shape": "island",
      "position": {
        "lat": 51.469333,
        "lng": -9.5215
      }
    },
    {
      "id": "1",
      "name": "Castle Grounds",
      "color": "red conical",
      "position": {
        "lat": 51.507167,
        "lng": -9.528833
      }
    },
    {
      "id": "2",
      "name": "NW - Long Island",
      "color": "yellow flag on pole",
      "position": {
        "lat": 51.496167,
        "lng": -9.577833
      }
    },
    {
      "id": "3",
      "name": "NE - Castle Island",
      "color": "conical with parnells wrap",
      "position": {
        "lat": 51.515,
        "lng": -9.501667
      }
    },
    {
      "id": "4",
      "name": "SW - Long Island",
      "color": "yellow flag on pole",
      "position": {
        "lat": 51.468,
        "lng": -9.5725
      }
    },
    {
      "id": "5",
      "name": "S - Calf Island Middle",
      "color": "bouy with yellow flag & burgee",
      "position": {
        "lat": 51.471667,
        "lng": -9.501667
      }
    },
    {
      "id": "6",
      "name": "Middle - Harbour",
      "color": "conical with uk sails wrap",
      "position": {
        "lat": 51.521667,
        "lng": -9.535833
      }
    },
    {
      "id": "7",
      "name": "SW - Horse Island",
      "color": "yellow flag on pole",
      "position": {
        "lat": 51.507,
        "lng": -9.484167
      }
    },
    {
      "id": "8",
      "name": "Crookhaven",
      "color": "conical with parnells wrap",
      "position": {
        "lat": 51.479,
        "lng": -9.691167
      }
    },
    {
      "id": "Fastnet",
      "name": "Fastnet Rock",
      "shape": "rock",
      "position": {
        "lat": 51.389282,
        "lng": -9.602686
      },
      "source": "OpenStreetMap way 348787096, the islet's centre"
    }
  ]
}