SDR

• https://www.youtube.com/watch?v=cAqRAnNAYXE
• GQRX + DSD : http://www.george-smart.co.uk/wiki/Digital_Speech_Decoder
• GQRX + DSD : not to follow compilation from here : http://notes.secretsauce.net/notes/2014/07/25_decoding-p25-with-rtl-sdr-on-debian.html
• Tips and Tricks: http://gqrx.dk/doc/practical-tricks-and-tips

• http://kmkeen.com/rtl-demod-guide/
• http://eliasoenal.com/2012/05/24/multimonng/
• https://www.linux.com/news/software/developer/17942-socat-the-general-bidirectional-pipe-handler
• JACK: http://kacper.blog.redpill-linpro.com/archives/508
• GQRX Scanner module: https://github.com/khaytsus/gqrx-scan
• Poslouchani letadel, vceten anteny: http://www.rtl-sdr.com/adsb-aircraft-radar-with-rtl-sdr/
• velky poratl HAM stranek v CR-SK: http://www.ok2kkw.com/ok.htm

• http://hfradio.org.uk/html/digital_modes.html

$ brew update
$ brew upgrade # may be unnecessary
$ brew tap metacollin/gnuradio
$ brew install gnuradio # took 55 mins on my laptop & installed python via homebrew
$ brew install librtlsdr --HEAD # this installed b4c4e723f3656954f160b3f8df4e8804e4a46acd for me
$ brew tap chleggett/gqrx
$ brew tap chleggett/gr-osmosdr
$ pip install cheetah
$ brew install gqrx
$ brew linkapps gqrx
$ open /Applications/Gqrx.app/Contents/MacOS/Gqrx

Run with:

 /usr/local/Cellar/gqrx/2.4/Gqrx.app/Contents/MacOS/Gqrx 

$ brew install dsd

$ brew instal socat

• pretty complex article with even DYI antenna designs: http://www.rtl-sdr.com/adsb-aircraft-radar-with-rtl-sdr/
• easy multi-platform Flight Radar : https://github.com/MalcolmRobb/dump1090

mkdir ~/sdr; cd ~/sdr
git clone https://github.com/MalcolmRobb/dump1090
cd dump1090; make
./dump1090 --interactive --net

• more info README.md or dump1090 –help
• in web browser : http://localhost:8080/

• http://eartoearoak.com/software/rtlsdr-scanner