Differences

This shows you the differences between two versions of the page.

--- computer:sdr [2015-11-27 02:41] – [BTSs] skrupellos
+++ computer:sdr [2020-11-18 18:11] (current) – external edit 127.0.0.1
@@ Line 7: / Line 7: @@
   * FIXME
-<code>
+<code bash>
 git clone https://github.com/ptrkrysik/gr-gsm.git
 cd gr-gsm
@@ Line 17: / Line 17: @@
 sudo ldconfig
 wget -O /etc/udev/rules.d/rtl-sdr.rules http://git.osmocom.org/rtl-sdr/plain/rtl-sdr.rules
+mv ../../gr-gsm /opt
+chown -R root.root /opt/gr-gsm
 </code>
 ===== Usage =====
-Scanning the Channels does not work :-(:
+==== Scan ====
+Scanning the Channels does not work like this :-(:
 <code bash>
 sudo sysctl kernel.shmmni=32000
-for b in  P-GSM DCS1800 PCS1900 E-GSM R-GSM GSM450 GSM480 GSM850 ; do echo $b ; PYTHONPATH=/usr/local/lib64/python2.7/site-packages python2 airprobe_rtlsdr_scanner.py -g 30 -b $b -p 0 -v --speed 1 ; done
+for b in  P-GSM DCS1800 PCS1900 E-GSM R-GSM GSM450 GSM480 GSM850 ; do
+    echo $b
+    PYTHONPATH=/usr/local/lib64/python2.7/site-packages python2 airprobe_rtlsdr_scanner.py -g 30 -b $b -p 0 -v --speed 1
+done
 </code>
-To Sniff TN0:
+Ugly hack (change ARFCN in ''seq'', here it's given for Europe):
-<code>
+<code bash>
+for a in `seq 0 124` `seq 955 1023` `seq 512 885` ; do
+    if [ `PYTHONPATH=/usr/local/lib64/python2.7/site-packages airprobe_rtlsdr_capture.py -a $a -c /dev/null -v -T 1 2>/dev/null | wc -l` -gt 1 ] ; then
+        echo $a
+    fi
+done
+</code>
+==== Sniff TN0 ====
+<code bash>
 wireshark -k -Y '!icmp && gsmtap' -i lo
 PYTHONPATH=/usr/local/lib64/python2.7/site-packages gnuradio-companion ../apps/airprobe_rtlsdr.grc
@@ Line 34: / Line 50: @@
 ===== BTSs =====
-  * [[http://niviuk.free.fr/gsm_arfcn.php|ARFCN Liste]]
+[[:int:sdr|List of BTSs]] (Internal)
-^  Frequency ^ Provider ^
-|  950200000 |  |
-|  954800000 | T-Mobile |