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@ -95,7 +95,7 @@ $ sudo apt-get install python3 python3-numpy python3-setuptools python3-crcmod p
### 4.2. RTL-SDR Utilities
As we may we wish to use the bias-tee option in the newer v3 RTLSDRs, we need a fairly recent version of the rtl-sdr software. Recent ubuntu distributions provide this support in the rtl-sdr package (package version 0.5.3-12 or newer), and as of 2020, Raspbian supports it too!
** WARNING: There is a known issue with Raspbian running Kernel version 5.10, and the latest Raspbian-supplied rtl-sdr package (v0.6-1), where rtl_fm uses far more CPU than it should. This can be identified by running 'top' while auto_rx is running. If this affects your station, you should compile rtl_sdr from source using the instructions below. **
**WARNING: There is a known issue with Raspbian running Kernel version 5.10, and the latest Raspbian-supplied rtl-sdr package (v0.6-1), where rtl_fm uses far more CPU than it should. This can be identified by running 'top' while auto_rx is running. If this affects your station, you should compile rtl_sdr from source using the instructions below.**
This means that you can probably just install the rtl-sdr utilities by running:
```