== References ==
* http://sdr.osmocom.org/trac/wiki/rtl-sdr
* httphttps://wiki.gnuradio.org/redmineindex.php/projects/gnuradio/wikiMain_Page
* http://spacenear.us/tracker/
* https://en.wikipedia.org/wiki/ISM_band
* http://www.jsansonnens.ch/freq.html
* Table d'allocation en CH https://www.ofcomnet.ch/#/fatTable
* https://wiki.debian.org/DebianHams
=== Compatible Hardware ===
* https://www.funk-technik.info/alles-%C3%BCber-rtl-sdr/welche-dvb-t-stick-funktionieren.html
=== RTL-SDR Calibration ===
* https://karelkeers.nl/karelkeers.nl/rtl-sdr-calibration-with-r820t2-chip/
=== Antenna Setup ===
* https://www.rtl-sdr.com/using-our-new-dipole-antenna-kit/
* https://www.qsl.net/kk4obi/
== SDR at FIXME ==
== SDR Softwares ==
=== SDR++===
* Simple and bloat free
* https://github.com/AlexandreRouma/SDRPlusPlus
=== Quisk ===
* http://james.ahlstrom.name/quisk/
=== RTL-SDR ===
==== Debian Packages ====
<pre>apt intsall rtl-sdr</pre> ==== Sources ========= Requirement =====
<pre>
sudo apt-get install gitsudo apt-get install libusb-1.0-0-devsudo apt-get install cmakesudo apt-get install build-essential
</pre>
===== Build =====
<pre>
git clone git://git.osmocom.org/rtl-sdr.git
The test bellow is for a E4000 dongle.
<pre>
sdr@alix2:~$ rtl_test -t
Found 1 device(s):
0: Terratec T Stick PLUS
</pre>
or for other dongle
<pre>
$ rtl_test
Found 1 device(s):
0: NOXON, DAB Stick, SN: 0
Using device 0: Terratec Fraunhofer DAB Stick
Found Fitipower FC0013 tuner
Supported gain values (23): -9.9 -7.3 -6.5 -6.3 -6.0 -5.8 -5.4 5.8 6.1 6.3 6.5 6.7 6.8 7.0 7.1 17.9 18.1 18.2 18.4 18.6 18.8 19.1 19.7
Sampling at 2048000 S/s.
Info: This tool will continuously read from the device, and report if
samples get lost. If you observe no further output, everything is fine.
Reading samples in async mode...
</pre>
==== Use rtl_tcp ====
</pre>
=== Calibration ===
Pour utiliser la grande partie des logiciel SDR il faut faire une calibration
==== Requirement ====
<pre>
sudo apt-get install libtool autoconf automake libfftw3-dev
</pre>
==== Installation ====
<pre>
git clone https://github.com/steve-m/kalibrate-rtl.git
cd kalibrate-rtl/
./bootstrap
./configure
make
sudo make install
</pre>
You may need to run this if you encounter some reference errors on Raspberry Pi:
<pre>
export PKG_CONFIG_PATH='/usr/lib/arm-linux-gnueabihf/pkgconfig/'
</pre>
==== Usage ====
On utilise les fréquences du GSM-900
<pre>
# kal -e 22 -s 900
Found 1 device(s):
0: Generic RTL2832U OEM
Using device 0: Generic RTL2832U OEM
Found Rafael Micro R820T tuner
Exact sample rate is: 270833.002142 Hz
kal: Scanning for GSM-900 base stations.
GSM-900:
chan: 9 (936.8MHz + 22.294kHz) power: 52744.70
chan: 11 (937.2MHz + 22.198kHz) power: 148897.40
chan: 48 (944.6MHz + 21.298kHz) power: 64839.80
chan: 50 (945.0MHz + 21.360kHz) power: 76421.47
chan: 66 (948.2MHz + 21.020kHz) power: 100342.53
chan: 68 (948.6MHz + 21.109kHz) power: 148650.05
chan: 74 (949.8MHz + 21.369kHz) power: 57399.97
# kal -e 22 -c 80 -v
Found 1 device(s):
0: Generic RTL2832U OEM
Using device 0: Generic RTL2832U OEM
Found Rafael Micro R820T tuner
Exact sample rate is: 270833.002142 Hz
kal: Calculating clock frequency offset.
</pre>
=== SDR# ===
==== Requirement ====
<pre>
sudo apt-get install libqt4-devsudo apt-get install libpulse-dev
</pre>
==== Requirement ====
<pre>
sudo apt-get install libsndfile1-devsudo apt-get install libasound2-dev
</pre>
==== Installation ====
#Download software ACARS decoder from [https://github.com/TLeconte/acarsdec]
# add line :
./acarsdec -p o 2 -8 l message-acars.txt -r 0 131.525 131.550 131.725 131.825 -l message-acars.txt &
chmod u+rwx run-acars
* [[User:Francois]]
* [[User:Rorist]]
* [[User:Maurice809]]
* [[User:Masoud]]