[App_rpt-users] New in the Asterisk world - D-Star gateway ?

Tue Jan 27 05:49:41 UTC 2015

The problem isn't levels. The Dstar RF digital audio quality stinks. In some ways worse than echolink assuming levels are set correctly on echolink. I guess large user base depends on what area you are in. Where I am DMR and especially Fusion are taking over. With Yaesu Fusions Wires I believe there is a possibility for interfacing also. 
73 Doug
WA3DSP
http://www.crompton.com/hamradio

Subject: Re: [App_rpt-users] New in the Asterisk world - D-Star gateway ?
From: n8ohu at yahoo.com
Date: Mon, 26 Jan 2015 23:12:47 -0500
To: doug at crompton.com; t.ottavi at bc-109.com
CC: app_rpt-users at ohnosec.org

D-STAR has an advantage over those other modes; not only does it have a large user base, it has a very active experimenters base. Much of the growth in the mode can be traced to the existence of home-brewed interface hardware and alternatives to the closed source network from Icom. The biggest thing with a bridge is to match the audio levels and make sure the right codec is used between AllStar nodes to keep the quality up. It's annoying to hear the Echolink users that haven't adjusted their audio properly over the system I hang out on, whether I'm on D-STAR or coming in through AllStar.

Matthew Pitts

N8OHU

Nodes 28713, 28910, 28912, 28913 AllStar

Echolink 828057 (N8OHU-L)

On January 25, 2015 5:01:03 PM EST, Doug Crompton <doug at crompton.com> wrote:

I don't know about the technical attempts to connect Dstar and Allstar. I know there are people playing with it. From an operational standpoint in my opinion I hope it doesn't happen. Dstar audio quality sucks and I suspect it will be the first amateur radio format to become obsolete. Its sales are already down it the US. Yaesu, DMR, Mototurbo all have superior audio at a lower cost. Yaesu is giving away their digital repeaters to clubs here in the US and greatly saturating the market. I would not invest any money in Dstar. That being said there are many that already have and want to get their monies worth, so it will hold on for awhile. Just don't mess up Allstar's great audio quality with Dstar! 
73 Doug
WA3DSP
http://www.crompton.com/hamradio

Date: Sun, 25 Jan 2015 21:33:07 +0100
From: t.ottavi at bc-109.com
To: app_rpt-users at ohnosec.org
Subject: [App_rpt-users] New in the Asterisk world - D-Star gateway ?

    Hi, 

      I'm new on this list, so here's a quick presentation. My callsign
      is TK1BI, I'm living in Corsica, and I've got some experience
      about building and maintaining analog repeaters and interconnects
      all around our small island in the Mediterranean sea. I'm now
      doing my first experiments in the digital world. Working with Open
      Source software, and with "open" systems, seems obvious to me ;-)

      I built my first Asterisk/app_rpt from source on a HummingBoard (a
      Raspberry Pi clone, powered by an ARM7 quad-core Freescale iMX6).
      The operating system is Debian.

      The next step will be to order some low-cost USB soundcards, and
      connect them to a pair of radios, to create a test repeater. In
      the meantime, we are reactivating and old project of HamNet WiFi
      network, to carry TCP/IP to the mountains where our VHF/UNF
      repeaters are located.

      Anyway, there is some interest here for D-Star. Lots of people are
      buying rigs, and having fun with it. Even if D-Star does not match
      my idea of an "open" system, I'm thinking about the possibilities
      to make a gateway between analog, AllStar and D-Star world. But I
      didn't find much information about that. What I understood is that
      I need to use the additional software "RptDir" with a hardware
      AMBE codec. There are some web sites about that, but it's unclear
      for me if these are currently supported projects or not.

      Then, here are some questions :

      - About RptDir, it seems I also need a piece of software called
      "dstar2analog", but I didn't find it anywhere

      - About the hardware codec : the "DV Dongle" seems expensive to
      me, and I didn't find any reseller in Europe. The DV3000 card for
      Raspberry Pi seems more interesting to me, but is it supported for
      what I want to do ?

      - Are there already some attempts to interconnect Asterisk routing
      with D-Star routing (ie, more than just sending the audio between
      each other) ?

      Thank you in advance for your answers, and for pointing out some
      interesting ressources about that.

      Hope to be QRV soon :-) 

      73 de TK1BI

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