WinFrog User’s Guide - Appendix C – GPS/MX 9400
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Ref-Stns:
Click the RefStns button in the Pseudorange Calculation dialog box to open the Select
DGPS Reference Stations dialog box, as seen below.
The Select DGPS Reference Stations dialog box allows you to define which reference
stations will be used by WinFrog in its Multi-Ref solution. You can either configure
WinFrog to simply use all received stations (to a maximum of 5), or you can control the
use of corrections, as deemed proper.
To use all received DGPS corrections, select the
Use all Available Stations
checkbox.
When this checkbox is selected, all available RTCM corrections are utilized in the
solution, each with the same Relative Standard Deviation.
The individual station method is preferable as it allows you to remove or de-weight
solutions that may not agree with the weighted mean solution. If this method is used,
you should add the RTCM data item to the vehicle’s device list once for each solution,
then edit that solution entering the proper code and coordinates. For example, if there
are 5 Reference stations to be used in the Multi-Ref solution, add the
RTCM,RTCM1,
DGPS-COR’s
data item to the vehicle’s device list 5 times.
From the Configure Vehicle-devices dialog box, highlight and edit each RTCM data item
to indicate a unique Code
.
Now, back in the
Select DGPS Reference Station
dialog box, ensure that the Use all
Available Stations checkbox is not selected. Now the individual reference station ID’s
