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Updated GPS Sim (markdown)

Erwin Ried 2020-04-26 21:21:33 +02:00
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GPS-Sim.md

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This app allows you to broadcast GPS baseband signal data streams. You can use [gps-sdr-sim](https://github.com/osqzss/gps-sdr-sim) to generate data for this app.
## Example
`gps-sdr-sim -e brdc3540.14n -l 30.286502,120.032669,100 -b 8`
`gps-sdr-sim -e brdc3540.14n -l LAT,LONG,HEIGHT -o BBD_NNNN.C8`
That will create a `gpssim.bin` file that you rename to `BBD_NNNN.C8` and then create `BBD_NNNN.TXT` with:
That will create `BBD_NNNN.C8` and then create `BBD_NNNN.TXT` with:
```
sample_rate=2600000
center_frequency=1575420000