- Look up
datum in Wiktionary, the free dictionary.
Datum is, from its
Latin origin, a
singular form of "data", and may
refer to a
single item of data....
- two
different datums could reach kilometers if the
point is far from the
origin of one or both
datums. This
phenomenon is
called datum shift. Because...
- A
datum reference or just
datum (plural:
datums) is some
important part of an object—such as a point, line, plane, hole, set of holes, or pair of surfaces—that...
- Ellipsoid-based
datums such as WGS 84, GRS80 or NAD83 use a
theoretical surface that may
differ significantly from the geoid.
Common types of
vertical datums include:...
-
American Datums are in use for
making lateral or "horizontal" measurements: the
North American Datum of 1927 (NAD 27) and the
North American Datum of 1983...
-
Hydrographic Service, use the LAT to
define chart datums. One
advantage of
using LAT for
chart datums is that all
predicted tidal heights must then be...
- Administration. "Track Our
Progress - New
Datums -
National Geodetic Survey". geodesy.noaa.gov.
Retrieved 2023-07-10.
Tidal Datums,
produced for NOAA by its National...
-
referenced to the same
geodetic datum. A
geographic coordinate transformation is a
translation among different geodetic datums. Both
geographic coordinate...
-
geophysical processes affecting spatial measurements. The
system is
based on the
datums NAD 83 and NAVD 88. In 2024 or 2025,[needs update] the NSRS will be modernized...
- standards, also
includes a
choice of
geodetic datum (including an
Earth ellipsoid), as
different datums will
yield different latitude and
longitude values...
