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orthometric height . . . 15 matches
...'''Orthometric height''' is the distance measured above the [[geoid]]. It is the height obtained by [[differential leveling]] from known starting points, and is the height used f...

3.9k - rev: 18 (current) last modified: 2010-04-20 11:50:13

height of light . . . 1 match
...sition of the station, for instance in corrections for refraction due to temperature gradients near the ground, or adjustments to project the computed distance onto the [[geoid]]....

0.5k - rev: 3 (current) last modified: 2009-03-21 21:03:18

gravity station . . . 1 match
...of gravity was measured using sensitive equipment. This information helps model the [[geoid]]. Usually marked with a bronze disk similar to an elevation benchmark but with a diff...

0.3k - rev: 4 (current) last modified: 2009-03-21 21:03:18

datum . . . 1 match
...ts [[Ellipsoid|ellipsoid]] shape is based on a statistical best fit to the worldwide [[geoid]]. The [[NGS]] uses a slightly different datum, NAD 83, for geodetic use in the Unite...

1.9k - rev: 9 (current) last modified: 2009-03-21 21:03:18

Glossary . . . 1 match
...lagging]], [[FORWARD]] ---- . <<Anchor(G)>> . G<<BR>> [[gaging station]],GeoCalc, [[geoid]], [[GPS]], [[gravity station]] ---- . <<Anchor(H)>> . H<<BR>> [[headwall]], [[heig...

3.0k - rev: 25 (current) last modified: 2009-03-21 21:03:19