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diff --git a/12.-Appendix.md b/12.-Appendix.md index 135c798..7772ea6 100644 --- a/12.-Appendix.md +++ b/12.-Appendix.md @@ -175,4 +175,9 @@ Finally, in kraken_doa_start.sh, comment out the eval line, and uncomment the so source /home/krakenrf/miniforge3/etc/profile.d/conda.sh #<- required for systemd auto startup #eval "$(conda shell.bash hook)" conda activate kraken -```
\ No newline at end of file +``` + +# KrakenSDR Manual Bias Tee Control +When using the KrakenSDR as a standard SDR, you can activate each individual bias tee using the rtl_biast and -g flag to select the correct GPIO. GPIO 0 is for the noise source. GPIO's 1,2,3,4,5 are for the bias tees. + +For example to turn on the bias tee on the first port `rtl_biast -g1 -b1`.
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