[op25-dev] Beginner's Guide To Setting Up OP25 From Scratch

'Trunk Tracker' trunktracker@tampabay.rr.com [op25-dev] op25-dev at yahoogroups.com
Mon Nov 26 00:17:09 UTC 2018


Well, thanks.  I tried re-booting and un-plugged both Airspys and plugged only 1 of 'em back in.  Then I was able to see it in VMWare and connect it via the following menu option:

 



 

Then I ran lsusb and got the following (so now it's showing up):

 



 

When I run dmesg, I get a very long list of stuff, but here's what I found at the end:

 



 

But now I still get a similar error when running a command line of ./rx.py --args 'airspy' -N 'LNA:10,MIX:10,IF:10' -S 3000000 -f 769.28125e6 -o 25000 :

 



 

My device is actually an Airspy Mini, so I wonder if that has something to do with it.  So as a complete shot in the dark, I tried changing it to 'airspymini' and leaving everything else the same:

 

../rx.py --args 'airspymini' -N 'LNA:10,MIX:10,IF:10' -S 3000000 -f 769.28125e6 -o 25000.

 

Here's what I get now instead of the error:

 



 

No idea what all this is, but I noticed if I then grab the window edge and re-adjust the size of the terminal window, the screen suddenly flips to this:

 



 

So does this mean the software program, OP25, is running now?

 

trunktracker at tampabay.rr.com

 

From: wllmbecks at gmail.com [mailto:wllmbecks at gmail.com] 
Sent: Sunday, November 25, 2018 8:00 AM
To: op25-dev at yahoogroups.com
Cc: trunktracker at tampabay.rr.com
Subject: RE: [op25-dev] Re: Beginner's Guide To Setting Up OP25 From Scratch

 

Trunktracker

 

Here are a couple of steps to insure that your Airspy device is available to your Ubuntu VM.

 

 

*	Remove one of the Airspy devices.  You do not need two devices in rx.py. 
*	Set /verify that the remaining Airspy device is virtualized in your VMware settings menu for the Ubuntu VM.
*	Start the Ubuntu VM then execute lsusb from the command line.  It should return somethings like the lines below if your Airspy devices has been virtualized.

 

op25 at op25-VirtualBox:~$ lsusb

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub

Bus 001 Device 003: ID 1d50:60a1 OpenMoko, Inc.       ß This is the Airspy device

Bus 001 Device 002: ID 80ee:0021 VirtualBox USB Tablet

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

 

*	Now execute dmesg from the command line.   The terminal output should have lines similar to these.

 

5.911019] airspy 1-2:1.0: Board ID: 00

[    5.911024] airspy 1-2:1.0: Firmware version: AirSpy NOS v1.0.0-rc10-0-g946184a 2016-09-19

[    5.914976] airspy 1-2:1.0: Registered as swradio0

[    5.914980] airspy 1-2:1.0: SDR API is still slightly experimental and functionality changes may follow

 

Your VM must be able to see the Airspy before proceeding to debug your rx.py command line and trunk.tsv files.

My Airspy is the R2 and has different sampling rates than the Mini.    You must specify the correct sample rate on

the rx.py command line that is supported by the Mini.

 

Bill, WA8WG

 

 

  

Well, I've gotten a little further but am stuck on this part.  I've got 2 Airspy Minis plugged in and if I run the following:

 

../rx.py --args 'airspy' -N 'LNA:10,MIX:10,IF:10' -S 2400000 -f 769.28125e6 -o 25000

 

I get a lot of errors (screenshot):

 



 

So is there any way to trouble shoot all of this?  Thanks.

 

trunktracker at tampabay.rr.com

 

From: Trunk Tracker [mailto:trunktracker at tampabay.rr.com] 
Sent: Saturday, November 24, 2018 5:13 PM
To: 'op25-dev at yahoogroups.com'
Subject: RE: [op25-dev] Re: Beginner's Guide To Setting Up OP25 From Scratch

 

Thanks for the dummies link.  Just what I need!  It looks like there's another step to install something called GNUPLOT:

 

sudo apt-get install gnuplot-x11

 

trunktracker at tampabay.rr.com

 

From: op25-dev at yahoogroups.com [mailto:op25-dev at yahoogroups.com] 
Sent: Friday, November 23, 2018 10:48 PM
To: op25-dev at yahoogroups.com
Subject: [op25-dev] Re: Beginner's Guide To Setting Up OP25 From Scratch

 

  

As mentioned before this is likely the most recent how-to:

 

https://www.hagensieker.com/wordpress/2018/07/17/op25-for-dummies/

 

A year ago I wrote this, when it was just starting to be a thing to install OP25 on a Raspberry Pi:

 

http://kb9mwr.blogspot.com/2017/07/listening-to-local-700-mhz-simulcast.html <http://kb9mwr.blogspot.com/2017/07/listening-to-local-700-mhz-simulcast...html> 

 

While I don't have any desire to run op25 on Windows, unfortunately I can see a good how-to on that sort of thing being desirable to many.

 

I am a ham and I like to tinker, not just be a end user.  So I don't see anyone using this on Windows really contributing anything back to the community.  I really urge people to dig into things deeper than skin level, you never know, you just might learn something.  But that is just me.  

 

 

 

 



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