| `RadioComponentControllerLog` | Debug Radio calibration issues. |
## Logging from the Command Line
An alternate mechanism for logging is using the `--logging` command line option. This is handy if you are trying to get logs from a situation where _QGroundControl_ crashes.
How you do this and where the traces are output vary by OS:
- You must run _QGroundControl_ from Terminal. The Terminal app is located in Applications/Utilities. Once Terminal is open paste the following into it: