Factors affecting the accuracy of GPS data are:
- Satellite Clock Errors
- Ephemeris Errors
- Atmospheric Effects
- Receiver Errors
- Operator knowledge and awareness
- Number of visible satellites
- Satellite Geometry
Factors affecting the accuracy of GPS data are:
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Can also include
1 Ionospheric & tropospheric delays
2 GDOP – geometric dilution of precision
3 satellite clock error
4 user clock error
5 multipath error
6 orbital deviation of satellite from periodic
path
7 receiver’s error