RS41ng/docs/aprs-debugging.adoc

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# APRS debugging
## Direwolf
```bash
rx_fm -f 434250000 -M fm -s 250000 -r 48000 -g 22 -d driver=rtlsdr - | direwolf -n 1 -D 1 -r 48000 -b 16 -
```
```bash
rtl_fm -f 434250000 -M fm -s 250k -r 48000 -g 22 - | direwolf -n 1 -D 1 -r 48000 -b 16 -
```
## SigPlay
See: https://bk.gnarf.org/creativity/sigplay/
```bash
rx_fm -f 434250000 -M fm -s 250000 -r 48000 -g 22 -d driver=rtlsdr - | ./aprs -
```
```bash
rtl_fm -f 434250000 -M fm -s 250k -r 48000 -g 22 - | ./aprs -
```