vertical datum
Смотреть что такое "vertical datum" в других словарях:
North American Vertical Datum of 1988 — Geodesy Fundamentals Geodesy · … Wikipedia
Datum (geodesy) — Geodesy Fundamentals Geodesy · … Wikipedia
Sea Level Datum of 1929 — Geodesy Fundamentals Geodesy · … Wikipedia
Chart datum — US civil and maritime uses of tidal data A chart datum is the level of water that charted depths displayed on a nautical chart are measured from. A chart datum is generally a tidal datum; that is, a datum derived from some phase of the tide.… … Wikipedia
North American Datum — Triangulation station at Meade s Ranch Fundamental station for the North American Datum of 1927 Geodesy … Wikipedia
Ordnance Datum — In the British Isles, an Ordnance Datum or OD is a vertical datum used by an ordnance survey as the basis for deriving altitudes on maps. A spot height may be expressed as AOD for above ordnance datum . Usually mean sea level (MSL) is used for… … Wikipedia
Amsterdam Ordnance Datum — NAP Level in Amsterdam City Hall Normaal Amsterdams Peil (NAP) or Amsterdam Ordnance Datum is a vertical datum in use in large parts of Western Europe. Originally created for use in the Netherlands, it was adopted by Prussia in 1879 under the… … Wikipedia
Australian Height Datum — The Australian Height Datum is a geodetic datum for altitude measurement in Australia. According to Geoscience Australia, In 1971 the mean sea level for 1966 1968 was assigned the value of zero on the Australian Height Datum at thirty tide gauges … Wikipedia
altitude datum — The arbitrary level from which vertical displacement is measured. The datum for height measurement is the terrain directly below the aircraft or some specified datum; for pressure altitude, the level at which the atmospheric pressure is 29.92… … Military dictionary
altitude datum — The arbitrary level from which vertical displacement is measured. The datum for height measurement is the terrain directly below the aircraft or some specified datum; for pressure altitude, the level at which the atmospheric pressure is 1013.2… … Aviation dictionary
reference datum — An imaginary vertical plane at or near the nose of an aircraft from which all horizontal distances are measured for balance purposes. Also called the balance station zero. See datum or datum line … Aviation dictionary
