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Updated GPS Sim (markdown)

Erwin Ried 2020-06-01 02:02:25 +02:00
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GPS-Sim.md

@ -31,8 +31,19 @@ Create a rather small polygon with a path in KML format (i.e. a path you might w
You also need to create `TESTGPS.TXT` as specified above.
## Example 2
For a fixed position, use
`gps-sdr-sim -e brdc1500.20n -s 1250000 -b 8 -o gpssim.bin -l 30.286502,120.032669,100 -d 100`
Test with a `gpssim.txt` as follows:
```
sample_rate=1250000
center_frequency=1575420000
```
## Example 3
> **NOTE:** The website nmeagen may add timestamps to the output. That might be problematic for the simulation
We can create a realistic movement using a NMEA GGA stream generator like https://nmeagen.org/. In this website create several multi point lines with the positions you want. Download the NMEA file clicking "Generate NMEA file".