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[aprssig] APRS and dstar (MotoTrbo)

Raffaello Di Martino raffaello.dimartino at kwos.org
Sun May 27 17:26:05 UTC 2012


Hi Bob,
> Here is what I have always wanted to do since 2001 with ANY RADIO. (DSTAR, 
> MOTOTRBO, or APRS):   I want to talk to W3XYZ no matter where on earth he 
> is.  So I want to enter W3XYZ into my radio and place the call.  If he is 
> avaiable, I want his RADIO to alert him and for him to ANSWER my call.
>
> Can someone tell me if MotoTrbo can do that?  If so, then yes, a great 
> project then is an MSTAR gateway to AVRS so that I can use my APRS radio 
> to make or receive the call to someone on the MotoTrbo system.

MotoTRBO can do it. You don't need to know where is anyone, you only have to 
call him and his radio will begin to ring.
I can also confirm that is possible to connect together the two worlds: 
MotoTRBO and APRS. If you have a MotoTRBO server (like could be TRBOnet) you 
can plot the waypoints of all the TRBO users on APRS.fi and is also possible 
to exchange the messages between the two networks with a simple gateway that 
could be developed.
TRBOnet uses SQLServer lite to store all the informations regarding the 
MOTOROLA network so I guess that it's possible to manipulate these 
informations for our APRS' needs.

At my office I've done a study on this project for the civil protection:
in Italy we have the volunteers that often use the ARPS and the 
"non-volunteers operators" that use the MotoTRBO. My idea was to connect 
together the two networks, but unfortunately it's remained only an idea: no 
funds !

73's de Raffaello IZ0QWM

----- Original Message ----- 
From: "Bob Bruninga " <bruninga at usna.edu>
To: "TAPR APRS Mailing List" <aprssig at tapr.org>
Sent: Sunday, May 27, 2012 6:42 PM
Subject: Re: [aprssig] APRS and dstar (MotoTrbo)


>> MotoTrbo radios have EVERYTHING in one package
>> including the GPS.  There are people that are
>> working with the data format currently to be
>> able to produce APRS-portable content...
>> Check out www.dmr-marc.net and www.trbo.info
>
> I checked out both sites, and both are written for insiders.  There is no 
> explanation as to how an end user with a moto radio communicates with 
> another.  They seem to simply say that all repeaters in the world are 
> linked, so does that mean that every convsersation in the world is sharing 
> the same voice channel and it is impossible to get a word in edgewise?
>
> I doubt it.  But without any description of what the end user sees, or how 
> he uses the system, that is the only impression those sites give.
>
> Can someone point to a site that is actually written for the newcomer?
>
>
> thanks
> Bob, WB4APR
>
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