Inputdatagrams
TheGPSmanufacturersmayhavedifferentGPSqualityindicators.
2WhenthequalityfactorofaGGApositioningsysteminuseis4or5aheightoutput
datagramisautomaticallygenerated,andalsoifthequalityfactoris3or8andthe
operatorhassettheGGApositiontobeanRTKposition.Theheightisthesumof
thesetwoeldswhichareassumedpositiveupwards(antennaabovegeoid).
850-160692/S
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