OP25 OP25 Windows 10 Basic Setup Guide

CanesFan95

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Installation could be different now that it's been 2 years since you had to run that command.
 

KJ4DHF

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Well my brain was not built to understand Linux. Trying to follow the OP post for building Osmocom OP25 and get hung here.
View attachment 168107
Yes there been some changes since it was written. Got over that hurdle to be met with this one now.
1724542045394.png

Just a little more updated information for someone after me comes looking that is new to Linux.
 

KJ4DHF

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boatbod,

Thanks for your reply. I found someone with OP25 and Linux experience that got it up and running.
 

trimmerj

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Also don't see a file named cfgtrunk2.json on my boatbod install. Is there a reason why the Osmocom would need be installed in addition to Boatbod?
Thanks
 

dave3825

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Is there a reason why the Osmocom would need be installed in addition to Boatbod?

There are two different versions of OP25, Osmocom and Boatbod. You pic one or the other. The guide gives direction on how to install both versions on the same OS.

Pretty sure (been a while) if going with Boatbod, it may just download drivers from Osmocom.
 

boatbod

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There are two different versions of OP25, Osmocom and Boatbod. You pic one or the other. The guide gives direction on how to install both versions on the same OS.

Pretty sure (been a while) if going with Boatbod, it may just download drivers from Osmocom.
The boatbod install takes care of all packages and pretty much everything else you might need to do, short of final configuration. Based on os version (and hence gnuradio version) it will advise/check which github branch, so no patches need to be applied to the sources. I've tried to make install.sh handle everything as seamlessly as possible.
 

CanesFan95

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Can Boatbod be installed on the same virtual machine as Osmocom, to have both versions?
 

CanesFan95

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Trying to install Boatbod on a separate, but get a message about something called GNURadio 3.8:

1739591757577.png
 
Last edited:

boatbod

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Trying to install Boatbod on a separate, but get a message about something called GNURadio 3.8:

View attachment 178115
That message means that based on your OS's apt packages, you are using gnuradio-3.8 so you'll need to be using the "gr38" branch of the boatbod/op25 repo for everything to work properly. Ubuntu versions starting 22.04 and later are using gnuradio-3.10, which is the default for new installs of op25.

Use this to switch back to gnuradio-3.8 compatible code:
Code:
cd ~/op25
git checkout gr38
./install.sh
 

CanesFan95

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Gotcha. I installed 20.04.6, so I'll grab the latest Ubuntu and give that a shot. Thanks.
 

boatbod

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Gotcha. I installed 20.04.6, so I'll grab the latest Ubuntu and give that a shot. Thanks.
Either way will work...
22.04 and 24.04 are both gr-3.10 so they work with the "gr310" branch or origin/master.
20.04 and prior versions are gr-3.8 (or gr-3.7 if you go way back) and these work with the "gr38" branch.
 

trimmerj

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Quick Question
I was able to get rx.py running with a single sdr dongle, but I'm only getting some of the traffic on the voice channels.
Here's all the frequencies for the targeted system
851.1375c
852.6875c
853.3250c
853.8375
854.1875
854.5125c
854.7125
855.8375
856.0125
856.1625
856.4125
856.5125



Do I need to add more dongles to monitor ?

Thanks
 

boatbod

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Quick Question
I was able to get rx.py running with a single sdr dongle, but I'm only getting some of the traffic on the voice channels.
Here's all the frequencies for the targeted system
851.1375c
852.6875c
853.3250c
853.8375
854.1875
854.5125c
854.7125
855.8375
856.0125
856.1625
856.4125
856.5125



Do I need to add more dongles to monitor ?

Thanks
No - op25 will retune the single dongle to wherever it needs to go to follow the voice traffic.
In many cases, unless a frequency has been active, it won't be listed on the terminal screen. Let it run for a good long time and eventually you'll see all the frequencies actually in use.
 
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