Download SurvCE v. 2 Manual

squares sense, global mean sea level. Orthometric elevation measurements are
used in survey calculations. In order to convert ellipsoid heights (He) as
measured by GPS into orthometric elevations (Eo), you must provide for a
correction between the GPS-measured ellipsoid (reference ellipsoid) and a
constant level gravitational surface, the geoid. This correction is the geoid
undulation (Ug). Use XPort or SurvCOM to download the Geoid Separation
File. This option only has significant impact with one-point alignments. The
zip file containing the Geoid Files (GSF, Geoid99 or EGM) is found on the
SurvCE installation CD, and a portion of any such file can be specified (by
size and center point) for downloading to the data collector using Carlson
X-Port or Carlson SurvCom.
How To Use Geoid Files with Carlson SurvCE
1.
2.
3.
Download and/or install either Carlson X-Port or SurvCOM to the desktop
computer.
Download and/or install “CarlsonGeoidGrids.exe” to a location on your
desktop computer (Typically installed to the “…\Program Files\Carlson
X-Port\” directory).
If you have Microsoft ActiveSync already installed on your computer, make
sure that it is not currently occupying the COM port.
To do this:
Launch ActiveSync and select Connection Settings from the File menu.
Remove the check box that refers to the port you intend to use with
Carlson X-Port (Typically COM1).
Select OK to exit Connection Settings and close ActiveSync.
4.
Connect your handheld device to your desktop com puter using a serial cable.
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