{
  "$type": "site.standard.document",
  "description": "This invention relates to a positioning system and a method for navigation, in particular but not exclusively to a positioning system and a method for maritime navigation. A positioning system and method for navigation comprising a reference unit positioned on a vehicle, and a portable optical…",
  "path": "/patents/1295354",
  "publishedAt": "2021-07-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/203",
    "THE CORPORATION OF TRINITY HOUSE OF DEPTFORD STROND"
  ],
  "textContent": "This invention relates to a positioning system and a method for navigation, in particular but not exclusively to a positioning system and a method for maritime navigation. A positioning system and method for navigation comprising a reference unit positioned on a vehicle, and a portable optical device, in communication with the reference unit, comprising sensing means to measure bearings to observed target points relative to the vehicle heading to thereby determine a position of the vehicle.",
  "title": "A POSITIONING SYSTEM AND METHOD"
}