
- #Usb network gate with command line v7 how to#
- #Usb network gate with command line v7 install#
- #Usb network gate with command line v7 software#
- #Usb network gate with command line v7 download#
Now take note of the way I changed the file. (I’ve already modified my file, so ignore the difference.) Make sure the file looks like this and has these settings. Double click on the file named trunk.tsv and open it with LibreOffice. Now you should still be in the apps directory. YOU WILL ONLY GET THE CORRECT NAC IF YOU ARE TUNED TO THE CONTROL CHANNEL YOU WANT TO MONITOR. In my case it is 0xfc We’re going to need that. There won’t be any sound but take note of the NAC. Something like the box above should pop up. Keep messing with the q number until the signal is centered on the plot. On that screen you can start GNUPLOT by pressing the number 1 key. You just have to play around until you get your signal centered on the plot.Īs per the pic below ………If where it says 857.262500/812.262500 is all zeros then you need to keep adjusting the -q number. To further illustrate my SDR v3 works at -2, my NESDR Smart works with the -q -2 removed (0), and my Adalm-Pluto works at -q 5 (positive 5). You may also have to adjust the -2 number depending on your individual SDR. If you get a bunch of errors remove the last part of the command (-q -2) It works as above on my V3 SDR but not on my NESDR Smart. I ALSO FOUND I CAN DO THIS WITH AN ADALM-PLUTOSDR BY CHANGING THE –ARGS TO ‘plutosdr’. Now try this command IF YOU ARE SETTING UP A DIFFERENT FREQUENCY FOR YOUR TOWN MAKE SURE TO ADJUST THE FREQUENCY IN THE COMMAND. Check your path for accuracy.Ĭd /home/john/op25/op25/gr-op25_repeater/apps Now go back to your system and get in the correct directory. As you can see I found my Control Channel at 857.2625 as stated above. To find the control channel if you don’t know which one it is just open a program like GQRX and look and listen for the control channel. The actual control channel at the moment (they change it sometimes) is 857.2625. I’m going to demonstrate using my home town of New Bern NC. So plug in your RTL-SDR device and let’s get ready to do this thing. But you only need one of these to track a trunked radio system. Now my assumption here is that you are using a generic RTL-SDR device.
#Usb network gate with command line v7 how to#
#Usb network gate with command line v7 install#
I’m doing this on Ubuntu 18.04 “NOTE: I’m told that on newer installations that it may be required to install an older version of cmake if compilation errors occur.

#Usb network gate with command line v7 download#
Download from the repository using this command. Yeah that’s a weird way of doing it but it’ll work and probably the easiest thing to do for a newbie. Follow the directions here if you need to. In a pinch I guess the first thing you could do is to install gqrx which would pull in all the necessary RTL stuff you need. I’m kind of working on the assumption that you have Linux installed and have your SDR device working. There are tutorials out there, some good but everybody leaves out the good stuff or the stuff they took for granted. Now that I have it working I find that it is REMARKABLY easy and I’m mad at all the geeks out there who never made a simple tutorial.

I’m a geek and I messed with it on and off for a year or more and it whipped me more than once. Bear in mind Phase 2 could be encrypted and nothing you can do will decode it.
#Usb network gate with command line v7 software#
The only things that do Phase 2 are hardware scanners and hardware radios and OP25 for software radios. Some municipal areas are upgrading to P25 Phase 2 so almost gone are the days that you can track them with a police scanner since P25 is a Trunked Radio system and not just a lone frequency to monitor. OP25 is a program that decodes P25 Phase 1 and Phase 2 digital radio.
