Glossary
160 Trimble M3 Total Station User Guide
stakeout
An application function to place the pin to the designed coordinate in the field.
Also referred to as the set-out function.
station
Instrument position.
target height
Height of the target.
target set
Combination of target height and measure mode.
targeting
The distinctive marking of a ground point with material of any kind, placed in a
symmetrical contrasting pattern about the point to facilitate the identification
and precise recovery of that point on an aerial photograph.
temperature correction
An amount added algebraically to a measurement to account for length changes
due to thermal variance from standard conditions.
topo
See topographic.
topographic
The features of the surface of the earth considered collectively as to form. A single
feature, such as a mountain or valley, is termed a “topographic feature.”
tribrach
The three-arm base of a surveying instrument which carries the foot-screws used
in leveling the instrument.
VA
Vertical angle.
X, Y, or Z
An expression for coordinates, with separate meanings for EC Cartesian and
rectangular coordinates. In the EC Cartesian system, X refers to the (direction of
the) coordinate axis running from the system origin to the Greenwich Meridian, Y
to the axis running from the origin through the 90-degree east longitude meridian,
and Z to the polar ice cap. In rectangular coordinate systems, X refers to the east-
west axis, Y to the north-south axis, and Z to the height axis.
XON/XOFF
Data transmission protocol.
zenith
The point of the sky directly above the observer’s head.
zenith angle
An angle measured from a vertical reference. Zero degrees is a vertical line
pointing up, 90 degrees is horizontal, and 180 degrees is straight down.
To Previous Page
Loading...