Glossary
RTK
real-time kinematic. A real-time differential GPS method that uses carrier phase
measurements for greater accuracy.
site
A project that is to be worked on for a significant period of time. A site stores all design
data and all executed work orders so you can easily find data whether you are in the
office or in the field.
site map
The site map within the SCS900 software is stored as a part of the site data. The site
map provides linework as a reference only and is not live, which is why you cannot
select it for stakeout purposes.
station
A station is the running distance along the centerline or road that starts at 0.0 and
increments as you proceed along the route. This term is used primarily in the US,
whereas the equivalent term chainage is used throughout many other areas of the
world, such as Australia, Asia, Europe, and New Zealand.
surface model
The surface model used by the SCS700 software is a Trimble Terrain Model file (TTM
file). It provides a 3D surface model that can be used for stakeout or grade checking
operations.
work order
A work order covers a task to be performed by a crew on a single jobsite. A work order
contains the reference to the appropriate design, required settings and tolerances for
the task, and a record and report of all the data measured or staked out in the process
of completing the task.
A work order can cover a short-term task (such as the stakeout of a specific building
pad) or a task that will last the duration of the project (such as the stakeout of storm
water drainage) and that will be executed periodically as required during the project.
When the project is complete, all the information regarding the task is stored in a single
file that is easy to recall.
Trimble SCS900 Site Controller Software User Guide 122
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