op25

  1. MTL_Emergencies

    OP25 OP25 - Empty Voice channels

    Hello, I am running OP25 on Ubuntu 22.04 and when I run my local P25 Phase II system, empty voice channels appear when synced to a P25 Phase II patch talkgroup. I can confirm that the voice channels are not part of the system/site. I managed to record how these voice channels appear. I was...
  2. D

    OP25 OP25 WAV Source for P25 VC Decoding

    I'm trying to run a weird experiment where I have a recording of an entire segment of a voice channel of a p25 system in my area and I'm wondering if I can demodulate it with op25. This is my current setup that is not working does anyone have any suggestions or am I doing this all wrong? I want...
  3. K

    OP25 as SYSTEMD service Audio Issues

    So running OP25 from standard shell works fine and use the - U && -O pulse option makes OP25 appear in the Pulse Mixer as OP25. The problem I am having is if I run it as a service, (which does work) although I get sound output I get no slider and furthermore, it does create a problem with...
  4. SOUTH300

    OP25 OP25 Boatbod - Web GUI

    I am looking for the following dashboard for OP25. When I run my web interface with Boatbod, I get the usual green/white interface. I am looking for instructions on how to have it display the this one: Thank you in advance!
  5. N

    OP25 Boatbod multi_rx.py config.json file

    OP25 is very configurable and I think that for me this is adding some confusion. I am attempting to configure a P25 simulcast system which includes some TMDA talk groups. The site I am trying to configure has 12 frequencies with 3 of them configured as control channels. The split for the...
  6. K

    OP25-Osmocom on Rpi Bookworm

    I upgraded my Rpi 3B+ to Bookworm. I've been able to build Boatbod's version of OP25 pulling the gr3.10 branch with no issues. This works great. I've tried building the Osmocom version of OP25 from a fresh install of Raspi Bookworm both 32 and 64 bit. I get tons of build errors, not...
  7. S

    C4FM vs CQPSK - Scan Behavior

    BLUF: Why can I receive a P25 channel regardless of the modulation type (C4FM vs CQPSK) but while scanning the radio will only land on this channel if the modulation is set to CQPSK? ~~~~~~~~~~~~~~~~~~~~ I have an Astro Spectra that mostly gets used as a scanner for conventional channels, a...
  8. P

    OP25 Quick Question about OP25 log

    Hello RR, Currently exploring OP25 and I have some question in regard to the log output. Questions: The number at the end of the IMBE line after errs are the number of error in the line ? What is "prepare" after p25_crypt_algs ? Thanks
  9. K

    No Audio OP25 (boatbod) Raspberry Pi

    Hi everyone, I've been using the boatbod version of OP25's rx.py to listen to Seattle's PSERN with no major issues for some time but wanted to see if I could improve the performance by adding a second SDR and moving up to multi_rx.py. However, I am not hearing any audio and the decode rate has...
  10. Falcon4

    I need a big favor with op25 liquidsoap and icecast2

    My other thread was getting real long and convoluted so I decided to start a new thread. First off let me apologize I'm not retired and I typically work 60-70 hours a week so I have a small window to work on op25. What makes it so frustrating is that its supposed to be easy and user friendly but...
  11. MTL_Emergencies

    OP25 OP25 - SDR bug

    Hello all, I am running OP25 on a Pi 3B and sometimes OP25 bugs. I was able to catch that in the stderr file this is what I found: 09/23/23 17:23:10.515841 [0] releasing: tg(50003), freq(772.256250), slot(1), reason(duid15) 09/23/23 17:23:11.738840 [0] voice update: tg(50003), rid(0)...
  12. L

    OP25 Boatbod pull: 2 systems, audio and udp stream questions

    Hey all, so this question is directed at @boatbod or maybe someone who has played with his fork of OP25 and figured out these questions. So running on latest LTS Ubuntu(i5, 16gb ram, ssd, external graphics, basically overkill), the 2 system 2 cfg json with dual sound cards piping one system to...
  13. MTL_Emergencies

    OP25 OP25 DMR

    I'm trying to create a channel configuration for a Tier II DMR channel using OP25 (Boatbod fork). I'm not getting any audio but it seems I am getting sync (looking on the sterr.2 file, see attached). This is what I'm writing on the terminal: ./multi_rx.py -v 10 -c dmr_channel_test.json 2>...
  14. KG5HFL

    Help with op25, liquidsoap, and alpha tags...

    Can't seem to get alpha tags to show up and I'm guessing I'm missing a step. Watching the liquidsoap logs I'm getting metadata update error 404. Any Suggestions?
  15. MTL_Emergencies

    OP25 Mobile radio scanner based on OP25

    I recently built a mobile radio scanner to monitor P25 trunk communication systems based on OP25 (Boatbod). I have been working on the project for 3 years and am finally happy to say that it's done! I am using a NooElec SMArt v3 dongle as hardware, Raspberry Pi 3B for signal processing, 3.5"...
  16. MTL_Emergencies

    OP25 OP25 crashes mid conversation

    I am having an issue with OP25 (Boatbod) that it crashes mid conversation at random times. Sometimes it runs for 3hrs without any issues and sometimes it crashes after 10 mins. I added below a copy of my stderr.4 file (I had to cut some parts because the message was too long) Using Python...
  17. MTL_Emergencies

    OP25 Increase CC hunt speed

    How can I increase the control channel hunting speed on OP25 (Boatbod)? I programmed a lot of frequencies and would like to increase the hunting speed in order to make it more efficient.
  18. Plutonium94

    OP25 RC4 (ADP) decryption

    Hi everyone! Since I've received many messages asking about the implementation of ADP decryption in OP25 (Boatbod), I decided to post it publicly here. I also received some messages stating that my code didn't work in the latest versions of OP25, therefore it wasn't possible to rebuild the...
  19. MTL_Emergencies

    OP25 Upgraded to Ubuntu 22.04 and OP25 (Boatbod) crashes

    I upgraded Ubuntu 21.10 LTS to 22.04 LTS (running it on a VM) and now OP25 crashes. I opened the stderr file and found this: Using Python /usr/bin/python3 Traceback (most recent call last): File "/home/pi/op25/op25/gr-op25_repeater/apps/./multi_rx.py", line 55, in <module> from gnuradio...
  20. C

    OP25 OP25 Windows 10 Basic Setup Guide

    The goal is to create a setup guide with complete exact steps to get OP25 working in Windows. This is a first draft (attached) to be revised based on input from: Current OP25 users Those who've never used OP25 OP25 developers, contributors, and other experts. After revisions, the draft can be...
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