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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.