Difference between revisions of "ADS-B: Instalasi gr-air-modes"

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The next task for the RTL2832 was  to decode aircraft transmitting A-DSB using Ubuntu. Doug G4DZU had previously pointed me at a link http://www.hamradioscience.com/the-rtl-2832u-sdr-and-ads-b/ with an idiots guide to doing it , so it was time to try
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==Persiapan==
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.
 
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Installing gnuradio took one line (and patience):-
 
  
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wget http://www.sbrac.org/files/build-gnuradio && chmod a+x ./build-gnuradio && ./build-gnuradio
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Buat directory
  
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dinner and desert and a coffee later it finished. Time to see if it worked:-
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  mkdir /usr/local/src/SDR
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cd /usr/local/src/SDR
  
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rtl_test -t
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Instalasi paket pendukung
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Found 1 device(s):
 
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  0:  Generic RTL2832U (e.g. hama nano)
 
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Using device 0: Generic RTL2832U (e.g. hama nano)
 
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Found Elonics E4000 tuner
 
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Supported gain values (14): -1.0 1.5 4.0 6.5 9.0 11.5 14.0 16.5 19.0 21.5 24.0 29.0 34.0 42.0
 
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Benchmarking E4000 PLL...
 
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[E4K] PLL not locked for 52000000 Hz!
 
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[E4K] PLL not locked for 2217000000 Hz!
 
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[E4K] PLL not locked for 1109000000 Hz!
 
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[E4K] PLL not locked for 1249000000 Hz!
 
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E4K range: 53 to 2216 MHz
 
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E4K L-band gap: 1109 to 1249 MHz
 
  
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looks like mine works 53-1108MHz & 1250-2216MHz, Impressive!
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sudo apt-get install cmake swig libcppunit-dev python-cheetah doxygen \
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libboost-all-dev python-sphinx fftw3-dev python-numpy libqwt-dev \
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libusb++-dev libusb-dev libusb-1.0-0-dev libgsl0-dev python-wxgtk2.6 git qtcreator
  
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next install gr-air-modes:-
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==Install GNURadio==
  
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Lakukan
  
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cd /usr/local/src/SDR
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git clone git://gnuradio.org/gnuradio
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Compile
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cd /usr/local/src/SDR/gnuradio
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mkdir build
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cd build
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cmake ../
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make
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sudo make install
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sudo ldconfig
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==Install rtl_sdr==
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Lakukan
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cd /usr/local/src/SDR
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git clone git://git.osmocom.org/rtl-sdr.git
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Masuk ke directory rtl-sdr & lakukan
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cd /usr/local/src/SDR/rtl-sdr/
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mkdir build
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cd build
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cmake ../
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make
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sudo make install
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sudo ldconfig
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Aturan udev yang penting agar USB dongle terdetek dengan baik perlu di copy menggunakan perintah berikut
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cd /usr/local/src/SDR/rtl-sdr/
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sudo cp rtl-sdr.rules /etc/udev/rules.d/40-basic-permissions.rules
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/etc/init.d/udev restart
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Kita dapat meng-unplug & replug USB dongle.
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Cek menggunakan perintah
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lsusb
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Keluar
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Bus 001 Device 002: ID 0bda:0158 Realtek Semiconductor Corp. USB 2.0 multicard reader
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Bus 006 Device 002: ID 1bcf:0005 Sunplus Innovation Technology Inc.
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Bus 001 Device 003: ID 0bda:2838 Realtek Semiconductor Corp.
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==Instalasi gr-air-modes==
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Lakukan
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cd /usr/local/src/SDR
 
  git clone https://github.com/bistromath/gr-air-modes.git
 
  git clone https://github.com/bistromath/gr-air-modes.git
  
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  cd /usr/local/src/SDR/gr-air-modes/
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  cd gr-air-modes/
 
 
  mkdir build
 
  mkdir build
 
  cd build
 
  cd build

Revision as of 12:44, 16 October 2012

Persiapan

Buat directory 

mkdir /usr/local/src/SDR
cd /usr/local/src/SDR

Instalasi paket pendukung 

sudo apt-get install cmake swig libcppunit-dev python-cheetah doxygen \
libboost-all-dev python-sphinx fftw3-dev python-numpy libqwt-dev \
libusb++-dev libusb-dev libusb-1.0-0-dev libgsl0-dev python-wxgtk2.6 git qtcreator

Install GNURadio

Lakukan 

cd /usr/local/src/SDR
git clone git://gnuradio.org/gnuradio

Compile 

cd /usr/local/src/SDR/gnuradio
mkdir build
cd build
cmake ../
make
sudo make install
sudo ldconfig

Install rtl_sdr

Lakukan 

cd /usr/local/src/SDR
git clone git://git.osmocom.org/rtl-sdr.git

Masuk ke directory rtl-sdr & lakukan 

cd /usr/local/src/SDR/rtl-sdr/
mkdir build
cd build
cmake ../

make
sudo make install
sudo ldconfig

Aturan udev yang penting agar USB dongle terdetek dengan baik perlu di copy menggunakan perintah berikut 

cd /usr/local/src/SDR/rtl-sdr/
sudo cp rtl-sdr.rules /etc/udev/rules.d/40-basic-permissions.rules
/etc/init.d/udev restart

Kita dapat meng-unplug & replug USB dongle. Cek menggunakan perintah 

lsusb

Keluar 

Bus 001 Device 002: ID 0bda:0158 Realtek Semiconductor Corp. USB 2.0 multicard reader
Bus 006 Device 002: ID 1bcf:0005 Sunplus Innovation Technology Inc. 
Bus 001 Device 003: ID 0bda:2838 Realtek Semiconductor Corp.

Instalasi gr-air-modes

Lakukan 

cd /usr/local/src/SDR
git clone https://github.com/bistromath/gr-air-modes.git

cd /usr/local/src/SDR/gr-air-modes/
mkdir build
cd build
cmake ..
make
sudo make install
sudo ldconfig

Launching the programme with 


uhd_modes.py -d -P


with a piece of wire in the rtl283 antenna socket resulted in decodes from one aircraft almost overhead. Time for a better 1090MHz antenna. The J pole previously used was easy to build from 2 pieces of semi rigid cable so time to make another.It was tuned with a tracking generator/directional coupler/ spectrum analyser and achieved 32dB retun loss after tweaking. Putting this on the end of 35' of cable in the loft resulted in many more decodes and a torrent of data in the terminal:-


Next time to plot the data. The article pointed to Virtual radar server at http://www.virtualradarserver.co.uk/Mono.aspx so this was installed. Launching it with and clicking on the http link for local host resulted in the following map with 8 aircraft:-

The rtl2832 is not as sensitive as the Modesbeast I also have but it is only 5% of the cost!


Referensi

Pranala Menarik

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