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# NMEA2UM
NMEA2UM generates the ECEF user motion file for GPS-SDR-SIM from
NMEA GGA data simulated by the free GPS NMEA simulation software
from LabSat:
[http://www.labsat.co.uk/index.php/en/free-gps-nmea-simulator-software](http://www.labsat.co.uk/index.php/en/free-gps-nmea-simulator-software)
### Usage
```
> nmea2um <nmea_gga> <user_motion>
```
### Instructions
1. Sketch out a route in Google Earth.
2. Save the path as a KML file.
3. Load the KML file in SatGen.
4. Set the output rate at 10Hz and generate a NMEA file.
5. Conver the NMEA data to the user motion CSV format.