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4 Before Leaving the Office
4.2.1 Updating the Almanac
4.3 Projects
The almanac is a set of data that is used to predict satellite orbits over
a moderately long period of time (about a month).
To produce reasonably accurate results, Quick Plan requires an
almanac that is less than a month old. Therefore, it is important to
obtain a current almanac (if your computer does not have one) before
using Quick Plan.
Trimble Series 4000 and Trimble GPS Pathfinder receivers all
acquire the current almanac from satellites during regular operations,
and maintain it in memory. You can copy the almanac from a Series
4000 receiver to your computer by importing the ephemeris and
storing it in an .eph file. You can import the almanac from a GPS
Pathfinder receiver to an .ssf file.
For instructions on how to transfer an almanac file to your PC, refer to
the Quick Plan documentation.
With the GPS Pathfinder Office software, you can organize your work
into projects. Dividing your work into projects assists you with file
management; you can set up projects for different groups of data. For
example, if you are a consultant or contractor, you could create a
project for each client, each major task, each city you work in, or each
month.
When you create a project, the GPS Pathfinder Office software asks
you to enter information about the project, including the name and
folder path. The project folder path tells the GPS Pathfinder Office
software where to find and store data files belonging to the project.
The GPS Pathfinder Office software lets you specify three folders for
storing files for different purposes (backup, export, and base files).
40 TSC1 Asset Surveyor Operation Manual