op25-dev

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309 discussions

APCO P25 Decoding error (aUaUaU...) [5 Attachments]
by pindrop82＠yahoo.com [op25-dev] 14 Nov '16

14 Nov '16

Greetings, Was able to install (Ubuntu 14.04) and have a working APCO P25 receiver, but when i run scope.py to decode the primary CC i am getting aUaUaU....error (see attached terminal error). It only works partially (audio interrupted or broken) when i omit the secondary CC (866.0750) from the trunk.tsv file. The problem may be the secondary control channel in the trunk.tsv file. When I add the secondary CC on the trunk.tsv it does not go to primary channel. P25 receiver attempts to decode on the alternate CC. Have not been able to fix that issue. I am using the same NAC for both CC! Command Line: ./scope.py --args 'rtl=0' -N 'LNA:40' -S 960000 -f 868.06250 -o 20000 -q 44 -v 0 -V -T trunk.tsv Attached trunk.tsv, talkgroups.tsv, terminal error, traffic screenshot and constellation screenhot. Any help would be appreciated. Best Regards, TJ

3 3

Error installing with PyBOMBS
by Alex alex323＠gmail.com [op25-dev] 29 Sep '16

29 Sep '16

I've booted in to the GNURadio Live CD and attempted to install gr-op25, but it fails: ubuntu@ubuntu:~/pybombs$ /usr/local/bin/pybombs install gr-op25 PyBOMBS - INFO - PyBOMBS Version 2.2.0 PyBOMBS.get_recipe - ERROR - Error fetching recipe `gr-op25': Package gr-op25 has no recipe file! Does anyone know what could be going wrong? -- Alex

1 0

P25 TDMA
by Alex alex323＠gmail.com [op25-dev] 28 Sep '16

28 Sep '16

Hi all: Phase II uses TDMA. As I understand it, the radios need to constantly adjust their internal clocks as they move towards and away from the base station to stay in sync with their assigned time slot. If you're running a USRP in your house, and your house is not located in precisely the same location as the base station, wouldn't the time slots of the radios tend to blend together, making it impossible to listen to their transmissions? -- Alex

2 2

Install Instructions on Site Do Not Work (macOS Sierra)
by Mark Tomlin dygear＠gmail.com [op25-dev] 27 Sep '16

27 Sep '16

The install instructions on the InstallInstructionsPage <http://op25.osmocom.org/trac/wiki.png/wiki/InstallInstructionsPage> do not work on macOS Sierra 10.12.1 Beta (16B2327e) as written. Marks-MacBook-2:~ Dygear$ *cd ~* Marks-MacBook-2:~ Dygear$ *mkdir op25* Marks-MacBook-2:~ Dygear$ *cd op25* Marks-MacBook-2:op25 Dygear$ *git clone git://github.com/pybombs/pybombs <http://github.com/pybombs/pybombs>* Cloning into 'pybombs'... remote: Counting objects: 4857, done. remote: Total 4857 (delta 0), reused 0 (delta 0), pack-reused 4857 Receiving objects: 100% (4857/4857), 1.49 MiB | 840.00 KiB/s, done. Resolving deltas: 100% (3345/3345), done. Checking connectivity... done. Marks-MacBook-2:op25 Dygear$ *cd pybombs/* Marks-MacBook-2:pybombs Dygear$ *./pybombs install gr-op25* -bash: ./pybombs: is a directory Marks-MacBook-2:pybombs Dygear$ ls -l total 144 -rw-r--r-- 1 Dygear staff 135 Sep 26 16:35 AUTHORS -rw-r--r-- 1 Dygear staff 35147 Sep 26 16:35 COPYING -rw-r--r-- 1 Dygear staff 11060 Sep 26 16:35 README.md -rwxr-xr-x 1 Dygear staff 2813 Sep 26 16:35 convert_1to2.py drwxr-xr-x 23 Dygear staff 782 Sep 26 16:35 pybombs -rwxr-xr-x 1 Dygear staff 195 Sep 26 16:35 run-tests.sh -rw-r--r-- 1 Dygear staff 67 Sep 26 16:35 setup.cfg -rw-r--r-- 1 Dygear staff 4472 Sep 26 16:35 setup.py Marks-MacBook-2:pybombs Dygear$ *./pybombs install gr-op2*5 -bash: ./pybombs: is a directory Marks-MacBook-2:pybombs Dygear$ *cd pybombs/* Marks-MacBook-2:pybombs Dygear$ *ls* __init__.py install_manager.py recipe.py commands inventory.py recipe_manager.py config_file.py main.py recipes config_manager.py package_manager.py requirer.py dep_manager.py packagers templates fetcher.py pb_exception.py tree_node.py fetchers pb_logging.py utils Marks-MacBook-2:pybombs Dygear$ *./pybombs install gr-op25* -bash: ./pybombs: No such file or directory Can you please at least mention on the page how to get around this issue? -- Thank you for your time, Mark 'Dygear' Tomlin;

2 2

scope.y not found
by lists＠lazygranch.com [op25-dev] 26 Sep '16

26 Sep '16

Linux linux-h57q.site 3.16.7-42-desktop #1 SMP PREEMPT Tue Jun 28 12:20:57 UTC 2016 (35ab731) x86_64 x86_64 x86_64 GNU/Linux Here is the install. No scope.py seen. linux-h57q:/usr/local/src/op25/build # make install [ 25%] Built target gnuradio-op25 [ 28%] Built target test-op25 [ 29%] Built target _op25_swig_doc_tag [ 31%] Built target _op25_swig_swig_tag [ 36%] Built target pygen_op25_gr_op25_swig_f5c3f [ 42%] Built target _op25_swig [ 44%] Built target pygen_op25_gr_op25_python_1c835 [ 44%] Built target pygen_op25_gr_op25_apps_383eb [ 64%] Built target imbe_vocoder [ 82%] Built target gnuradio-op25_repeater [ 85%] Built target test-op25_repeater [ 87%] Built target _op25_repeater_swig_doc_tag [ 88%] Built target _op25_repeater_swig_swig_tag [ 93%] Built target pygen_op25_gr_op25_repeater_swig_af615 [ 98%] Built target _op25_repeater_swig [100%] Built target pygen_op25_gr_op25_repeater_python_76c67 [100%] Built target pygen_op25_gr_op25_repeater_apps_63aff Install the project... -- Install configuration: "" -- Up-to-date: /usr/local/include/op25/api.h -- Up-to-date: /usr/local/include/op25/fsk4_demod_ff.h -- Up-to-date: /usr/local/include/op25/fsk4_slicer_fb.h -- Up-to-date: /usr/local/include/op25/decoder_ff.h -- Up-to-date: /usr/local/include/op25/decoder_bf.h -- Up-to-date: /usr/local/include/op25/pcap_source_b.h -- Up-to-date: /usr/local/lib/libgnuradio-op25.so -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/_op25_swig.so -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/op25_swig.py -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/op25_swig.pyc -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/op25_swig.pyo -- Up-to-date: /usr/local/include/op25/op25/swig/op25_swig.i -- Up-to-date: /usr/local/include/op25/op25/swig/op25_swig_doc.i -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/__init__.py -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/__init__.pyc -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/__init__.pyo -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_fsk4_demod_ff.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_fsk4_slicer_fb.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_decoder_ff.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_decoder_bf.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_pcap_source_b.xml -- Up-to-date: /usr/local/include/op25_repeater/api.h -- Up-to-date: /usr/local/include/op25_repeater/vocoder.h -- Up-to-date: /usr/local/include/op25_repeater/gardner_costas_cc.h -- Up-to-date: /usr/local/include/op25_repeater/p25_frame_assembler.h -- Up-to-date: /usr/local/include/op25_repeater/fsk4_slicer_fb.h -- Up-to-date: /usr/local/lib/libgnuradio-op25_repeater.so -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/_op25_repeater_swig.so -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/op25_repeater_swig.py -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/op25_repeater_swig.pyc -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/op25_repeater_swig.pyo -- Up-to-date: /usr/local/include/op25_repeater/op25_repeater/swig/op25_repeater_swig.i -- Up-to-date: /usr/local/include/op25_repeater/op25_repeater/swig/op25_repeater_swig_doc.i -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/__init__.py -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/__init__.pyc -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/__init__.pyo -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_repeater_vocoder.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_repeater_gardner_costas_cc.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_repeater_p25_frame_assembler.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_repeater_fsk4_slicer_fb.xml

3 10

no scope.py
by 'lists＠lazygranch.com' lists＠lazygranch.com [op25-dev] 26 Sep '16

26 Sep '16

I ran the install again just to see what files were created. I don't see a scope.py OS is Linux linux-h57q.site 3.16.7-42-desktop #1 SMP PREEMPT Tue Jun 28 12:20:57 UTC 2016 (35ab731) x86_64 x86_64 x86_64 GNU/Linux linux-h57q:/usr/local/src/op25/build # make install [ 25%] Built target gnuradio-op25 [ 28%] Built target test-op25 [ 29%] Built target _op25_swig_doc_tag [ 31%] Built target _op25_swig_swig_tag [ 36%] Built target pygen_op25_gr_op25_swig_f5c3f [ 42%] Built target _op25_swig [ 44%] Built target pygen_op25_gr_op25_python_1c835 [ 44%] Built target pygen_op25_gr_op25_apps_383eb [ 64%] Built target imbe_vocoder [ 82%] Built target gnuradio-op25_repeater [ 85%] Built target test-op25_repeater [ 87%] Built target _op25_repeater_swig_doc_tag [ 88%] Built target _op25_repeater_swig_swig_tag [ 93%] Built target pygen_op25_gr_op25_repeater_swig_af615 [ 98%] Built target _op25_repeater_swig [100%] Built target pygen_op25_gr_op25_repeater_python_76c67 [100%] Built target pygen_op25_gr_op25_repeater_apps_63aff Install the project... -- Install configuration: "" -- Up-to-date: /usr/local/include/op25/api.h -- Up-to-date: /usr/local/include/op25/fsk4_demod_ff.h -- Up-to-date: /usr/local/include/op25/fsk4_slicer_fb.h -- Up-to-date: /usr/local/include/op25/decoder_ff.h -- Up-to-date: /usr/local/include/op25/decoder_bf.h -- Up-to-date: /usr/local/include/op25/pcap_source_b.h -- Up-to-date: /usr/local/lib/libgnuradio-op25.so -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/_op25_swig.so -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/op25_swig.py -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/op25_swig.pyc -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/op25_swig.pyo -- Up-to-date: /usr/local/include/op25/op25/swig/op25_swig.i -- Up-to-date: /usr/local/include/op25/op25/swig/op25_swig_doc.i -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/__init__.py -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/__init__.pyc -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25/__init__.pyo -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_fsk4_demod_ff.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_fsk4_slicer_fb.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_decoder_ff.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_decoder_bf.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_pcap_source_b.xml -- Up-to-date: /usr/local/include/op25_repeater/api.h -- Up-to-date: /usr/local/include/op25_repeater/vocoder.h -- Up-to-date: /usr/local/include/op25_repeater/gardner_costas_cc.h -- Up-to-date: /usr/local/include/op25_repeater/p25_frame_assembler.h -- Up-to-date: /usr/local/include/op25_repeater/fsk4_slicer_fb.h -- Up-to-date: /usr/local/lib/libgnuradio-op25_repeater.so -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/_op25_repeater_swig.so -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/op25_repeater_swig.py -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/op25_repeater_swig.pyc -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/op25_repeater_swig.pyo -- Up-to-date: /usr/local/include/op25_repeater/op25_repeater/swig/op25_repeater_swig.i -- Up-to-date: /usr/local/include/op25_repeater/op25_repeater/swig/op25_repeater_swig_doc.i -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/__init__.py -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/__init__.pyc -- Up-to-date: /usr/local/lib64/python2.7/site-packages/op25_repeater/__init__.pyo -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_repeater_vocoder.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_repeater_gardner_costas_cc.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_repeater_p25_frame_assembler.xml -- Up-to-date: /usr/local/share/gnuradio/grc/blocks/op25_repeater_fsk4_slicer_fb.xml

1 0

Info (need help) OP25 setup
by joeeva＠bellsouth.net [op25-dev] 26 Sep '16

26 Sep '16

Bare with a old Man( I'm anxious to get this working) I downloaded Ubuntu 14.04, never used Linux before I installed it along side windows 7, I used this method, pasted below to install OP25 Everything looks like it installed correctly, happy first timer no errors I went into files, all seems to be there I have a RTL2832u device The local system I want to track is Phase 2 , Tdma, I believe control channel 858.43750 How do I launch the program, scope.py is that correct I googled it, I found some things to try, 2 lines in command, no dice Is there a step by step anywhere, I can read. I've read and read, I know its just me but I'm closer than I was 4 days ago ?s (1)Do I launch by command prompt, is there an app to click on(2) how do I put in put my control channel, in my files somewhere) just some basic questions for a newbie thanks for any help . This recipe has been tested on ubuntu 14.04 only, it is likely NOT to work in either 12.04 or 16.04... First, use these commands to install the pre-reqs sudo apt-get update sudo apt-get build-dep gnuradio sudo apt-get install gnuradio gnuradio-dev gr-osmosdr librtlsdr-dev libuhd-dev libhackrf-dev libitpp-dev libpcap-dev git Second, use these commands to build and install OP25: [Note, the mkdir build; cd build; cmake ../; make; sudo make install sequence is a bog-standard form when source-building apps that utilize cmake.] cd ~ git clone git://op25.osmocom.org/op25.git cd op25 mkdir build cd build cmake ../ make sudo make install sudo ldconfig Finally you may need to use the command sudo rmmod dvb_usb_rtl28xxu to remove the DVB kernel module that conflicts with the RTL USB SDR. You may also need to edit the system udev rules for the RTL -both are common issues and you can search for the needed resources if the RTL isn't getting recognized... Once this is all done (no longer a need to source any env commands into the shell) you should be ready to invoke scope.py, which is the principal OP25 GUI app... As a pre-check, you can also run the osmocom_fft application (which should install as part of the pre-reqs) to test basic RTL connectivity and rule out related problems before invoking scope.py...

5 9

Project question
by Alex alex323＠gmail.com [op25-dev] 22 Sep '16

22 Sep '16

Hi. On the front page of the wiki (http://op25.osmocom.org/trac/wiki) I see the following bullet point: "Locate and track the locations of P25 mobile stations." What exactly is meant by this? How could such a thing be accomplished? -- Alex

2 2

new recipe for building OP25
by ikj1234i＠yahoo.com [op25-dev] 06 Sep '16

06 Sep '16

Historically the use of pybombs to install OP25 has been very helpful since it takes care of building all the needed prerequisite software. This is no longer necessary as of Ubuntu 14.04, which installs the 3.7 version of gnuradio. As a result we have a new install method that takes 95% less time than the old pybombs method, is less error-prone, and requires no more RAM than a base install of Linux. You can run this install in a machine with 1GB of RAM, although 2GB is recommended (this recommendation comes from ubuntu, and is caused by the memory-hog GUI - OP25 by itself currently does not require 2GB to compile, now that a source build of gnuradio is no longer required)... This recipe has been tested on ubuntu 14.04 only, it is likely NOT to work in either 12.04 or 16.04... First, use these commands to install the pre-reqs sudo apt-get update sudo apt-get build-dep gnuradio sudo apt-get install gnuradio gnuradio-dev gr-osmosdr librtlsdr-dev libuhd-dev libhackrf-dev libitpp-dev libpcap-dev git Second, use these commands to build and install OP25: [Note, the mkdir build; cd build; cmake ../; make; sudo make install sequence is a bog-standard form when source-building apps that utilize cmake.] cd ~ git clone git://op25.osmocom.org/op25.git cd op25 mkdir build cd build cmake ../ make sudo make install sudo ldconfig Finally you may need to use the command sudo rmmod dvb_usb_rtl28xxu to remove the DVB kernel module that conflicts with the RTL USB SDR. You may also need to edit the system udev rules for the RTL -both are common issues and you can search for the needed resources if the RTL isn't getting recognized... Once this is all done (no longer a need to source any env commands into the shell) you should be ready to invoke scope.py, which is the principal OP25 GUI app... As a pre-check, you can also run the osmocom_fft application (which should install as part of the pre-reqs) to test basic RTL connectivity and rule out related problems before invoking scope.py... I would appreciate feedback and especially any trouble reports when using these procedures. If all is OK we'll add this to the wiki... 73 Max

4 4

wxFrame error
by kf5jnu＠yahoo.com [op25-dev] 03 Sep '16

03 Sep '16

I have built gr-op25 on a couple computers now and am running into an issue on this most recent install. I installed gr-op25 via pybombs. When I attempt to run scope.py I get an error that has to do with some wx libraries. The last line contains an error about wxFrame and Reattaching to kernel. All the other recipes I install work and I have set my python path, but for some reason it still doesn't seem to be working. The computer is a remote system and off line right now but as soon as it comes back up I can post the error. Any ideas or experience with this?

1 0

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