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The GPS Archives FAQ page is where the retired FAQs reside.  

General GPS

• What is a dongle?

• How are antenna phase centers handled using System 500?

SKI-Pro

• How do I create a coordinate system?

• In SKI-Pro when I try to do an ASCII export of my points in a grid format I get a "Project contains no data to export" message.  Why?

• How do I attach a Coordinate System to a project?

• Where is Satellite Availability in SKI-Pro?

• How do I create a coordinate system with state-plane-projection parameters?

• I used the same point Id on two different points, how can I fix it?

• How do I view orthometric heights?

• What does the warning "the averaging limit has been exceeded" mean?

• How do I transfer a SKI-Pro project from one computer to another?

• How does SKI-Pro and System 500 apply the geoid separations in a coordinate system containing a WGS84 geoid model?

• Which types of geoid models can be used in coordinate systems to convert vertical information between orthometric and ellipsoidal heights?

SKI-Pro and RTK Data Questions

• I entered the incorrect reference station coordinates, how do I correct it?

RTK Questions

• I modified the configuration on my System 500 GPS receiver using the CONFIG button, but when I turned my receiver back on, all my changes were gone.  How do I make my modifications permanent?

• What's the difference between a free and thematical code?

• What is the best technique for mixing Leica System 300 and System 500 GPS receivers to use for RTK (558K)