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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gr-air-modes untuk bisa monitor transmisi ADS-B membutuhkan
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.
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* UHD
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Installing gnuradio took one line (and patience):-
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* GNURadio
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* RTL-SDR
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* gr_osmoSDR
  
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wget http://www.sbrac.org/files/build-gnuradio && chmod a+x ./build-gnuradio && ./build-gnuradio
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Lakukan sampai selesai proses
  
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dinner and desert  and a coffee later it finished. Time to see if it worked:-
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* [[GNURadio: Compile GNURadio + UHD]]
  
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rtl_test -t
 
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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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next install gr-air-modes:-
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==Instalasi gr-air-modes==
  
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Install
  
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  git clone https://github.com/bistromath/gr-air-modes.git
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  apt install pyqt4-dev-tools
  
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Lakukan
  
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  cd gr-air-modes/
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  cd /usr/local/src/SDR
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git clone https://github.com/bistromath/gr-air-modes.git
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cd /usr/local/src/SDR/gr-air-modes/
 
  mkdir build
 
  mkdir build
 
  cd build
 
  cd build
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  sudo ldconfig
 
  sudo ldconfig
  
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Launching the programme with
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==Jalankan gr-air-modes==
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Jalankan menggunakan perintah
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modes_rx -d -P
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Keluar
  
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gr-air-modes warning: numpy+scipy not installed, FlightGear interface not supported
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gr-osmosdr supported device types: file fcd rtl rtl_tcp
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Using device #0: ezcap USB 2.0 DVB-T/DAB/FM dongle
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Found Elonics E4000 tuner
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Gain is 34
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Rate is 4000000
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Using Volk machine: ssse3_32
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>>> gr_fir_ccf: using SSE
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(-52 0.0000000000) Type 17 BDS0,9-1 (track report) from 8a0261 with velocity 270kt heading 103 VS 2304
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(-52 0.0000000000) Type 11 (all call reply) from 8a0261 in reply to interrogator 0 with capability level 6
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(-52 0.0000000000) Type 17 BDS0,9-1 (track report) from 8a0261 with velocity 270kt heading 103 VS 2304
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(-52 0.0000000000) Type 11 (all call reply) from 8a0261 in reply to interrogator 0 with capability level 6
  
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uhd_modes.py -d -P
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==Catatan Antenna==
  
  
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==Membuat Virtual Radar==
  
 
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:-
 
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!
 
The rtl2832 is not as sensitive as the Modesbeast I also have but it is only 5% of the cost!
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==Referensi==
 
==Referensi==

Latest revision as of 17:54, 2 January 2020

gr-air-modes untuk bisa monitor transmisi ADS-B membutuhkan

  • UHD
  • GNURadio
  • RTL-SDR
  • gr_osmoSDR

Lakukan sampai selesai proses


Instalasi gr-air-modes

Install 

apt install pyqt4-dev-tools

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

Jalankan gr-air-modes

Jalankan menggunakan perintah 

modes_rx -d -P

Keluar 

gr-air-modes warning: numpy+scipy not installed, FlightGear interface not supported
gr-osmosdr supported device types: file fcd rtl rtl_tcp 
Using device #0: ezcap USB 2.0 DVB-T/DAB/FM dongle
Found Elonics E4000 tuner
Gain is 34
Rate is 4000000
Using Volk machine: ssse3_32
>>> gr_fir_ccf: using SSE
(-52 0.0000000000) Type 17 BDS0,9-1 (track report) from 8a0261 with velocity 270kt heading 103 VS 2304
(-52 0.0000000000) Type 11 (all call reply) from 8a0261 in reply to interrogator 0 with capability level 6
(-52 0.0000000000) Type 17 BDS0,9-1 (track report) from 8a0261 with velocity 270kt heading 103 VS 2304
(-52 0.0000000000) Type 11 (all call reply) from 8a0261 in reply to interrogator 0 with capability level 6

Catatan Antenna

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:-


Membuat Virtual Radar

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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