[App_rpt-users] Technically possible?

Jeffrey S. Carrier jeff.carrier at rmsmsecurity.com
Mon May 14 14:28:33 EDT 2012

I had to tweak my levels several times to get the audio into and out of
the XPR4350 correct.  I'm using a modified usb fob and it seems to be ok
but it took a while.  




From: dave k [mailto:dave_k_420 at yahoo.com] 
Sent: Sunday, May 13, 2012 2:43 PM
To: adamson_alan at hotmail.com; app_rpt-users at ohnosec.org; Jeffrey S.
Subject: Re: [App_rpt-users] Technically possible?


We just did the same thing. Multisite analog to multi side DMR bridge
w/mobile radio and all star. Worked very nice. Audio going from analog
to digital in some cases actually sounded better on digital thanks to
the noise reduction in the trbo. Still have large variation in the
digital audio levels occasionally overloading the URI input but I
suspect could be helped with a inline compressor/limiter. 

Sent from Yahoo! Mail on Android



From: Jeffrey S. Carrier <jeff.carrier at rmsmsecurity.com>; 
To: Alan Adamson <adamson_alan at hotmail.com>;
<app_rpt-users at ohnosec.org>; 
Subject: Re: [App_rpt-users] Technically possible? 
Sent: Sun, May 13, 2012 3:52:00 PM 

The sky seems to be the limit with Allstar.  As of about a day ago I've
tied MotoTRBO into a Limey Linux node and cross connected it to my two
analog repeaters.  I don't think theres anything it can't do except make
you dinner.  


73 de K0JSC




From: app_rpt-users-bounces at ohnosec.org
[mailto:app_rpt-users-bounces at ohnosec.org] On Behalf Of Alan Adamson
Sent: Friday, May 11, 2012 7:05 PM
To: app_rpt-users at ohnosec.org
Subject: [App_rpt-users] Technically possible?


I have searched high and low and yet haven't found much good information
for what I'm about to ask.  I hope this mail list might help with that.

I'm about to dive into AllStar and all its associated parts.  BUT, I'd
like to know if what I'm thinking makes sense, and that there isn't a
more preferred way of doing it?

I have a wide area coverage (for Atlanta anyway) 440 ham repeater, it's
currently a Master II converted.  I'm about to replace it with an NXDN
Icom 440 repeater (digital, but it will continue to run in mixed mode as
well).  I'd like to be able to connect it to AllStar, or other VOIP
services (yes, like IRLP, maybe Echo, and who knows maybe someday

Now don't get all excited, I'm not about to think that I can do that
*digitally*.  All audio will be analog either decoded or about to be

Secondly, I'd like to *remote* all the services to my house and host
them from there, instead of at the repeater site.  It does have
internet, but it's remote, not readily accessible, etc.

So, is the following feasible, desired, are the better ways to do what
I'm thinking?

a) take the analog audio input/output at the repeater and put it into
either a URI with a fanless PC install of AllStar, or a PicoNode with
Pickle and LOX.

b) put the other services (ala, IRLP, Echo, etc) at my house with a
dedicated PC setup with URI's and another install of AllStar (ok,
Asterisk and it's associated radio parts)

c) connect all that together with IP and the appropriate setups to allow
links to be created, torn down.

NOTE: I didn't say anything about any form of *external controller*,
other than the Unix boxes and their AllStar installs.  I'm hoping I
won't need one and will just use the NXDN repeater and its internal
controller for what is needed at the repeater.

If I did the above, what issues will occur when you link the repeater to
oh say IRLP via an IP connection between two AllStar nodes?  Will there
be any issues with DTMF, tail crashes, courtesy tones, etc.  Either not
being there or being there when they shouldn't be?

Lastly is it possible to add a simplex radio to the home node such that
it will connect me to the repeater, or other services (again over and IP

Sheesh, I get confused just trying to explain this.... I've looked all
over to try and find some similar examples of this, I'm sure they exist,
but it appears that either I'm not entering the right Google search
phrases or they aren't too well documented.

Any help, advice, steering, etc welcome...




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