[op25-dev] OP25 for noobs by a noob (long)

historical

NAC 0x690 is Richardson's P25... Plano's correct NAC is 0x3B1.

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From: op25-dev at yahoogroups.com <op25-dev at yahoogroups.com> on behalf of Dick Wad bwmzzzx at yahoo.com [op25-dev] <op25-dev at yahoogroups.com>
Sent: Sunday, August 13, 2017 3:58 PM
To: op25-dev at yahoogroups.com
Subject: Re: [op25-dev] OP25 for noobs by a noob (long)

Okay, baby steps on this...couldn't find my adapter for my external antenna so i'm using the one provided. I was able to find the NAC and am getting something new...short smile....it's saying "NAC 0x690 DUID 0x7 len 360 errs #" where # is anything from 0 to around 10. I'm seeing a normal constellation for P25 phase 1...is it the same for phase 2? Thanks bunches to all for the help...now back to work!

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From: "'WA8WG' wa8wg at centurytel.net [op25-dev]" <op25-dev at yahoogroups.com>
To: op25-dev at yahoogroups.com
Sent: Thursday, August 10, 2017 10:06 AM
Subject: RE: [op25-dev] OP25 for noobs by a noob (long)

I stand corrected.  You will see the NAC provided you don’t have –v (n) specified on your scope.py command line.   Just execute your scope.py or scope.sh from a terminal command prompt and watch the top of the text output as scope.py starts and you’ll see the NAC with the -T trunk.tsv omitted.

Bill

From: op25-dev at yahoogroups.com [mailto:op25-dev at yahoogroups.com]
Sent: Thursday, August 10, 2017 7:39 AM
To: op25-dev at yahoogroups.com
Subject: Re: [op25-dev] OP25 for noobs by a noob (long)

As was also suggested before, running scope.py without the -T argument on the control channel will show the NAC using no additinal hardware than what you already have, including no reason whatsoever to use a separate Windows computer.

On Aug 9, 2017 19:42, "wa8wg at centurytel.net<mailto:wa8wg at centurytel.net> [op25-dev]" <op25-dev at yahoogroups.com<mailto:op25-dev at yahoogroups.com>> wrote:

Dick,

I was going to suggest that your try setting the NAC in trunk.tsv to 0xF7E that is a universal NAC that works
to decode any P25 system when programmed in a Motorola P25 radio but I tried it with scope.py and got
no system audio until I put the correct NAC back in my trunk.tsv.      So I am thinking that your remaining issue is likely that you have the wrong NAC and should try to follow my suggestions to obtain it from my previous post.

Bill

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