[App_rpt-users] DMR sandbox

Sat Jan 24 04:24:39 UTC 2015

Just to be clear my statement about digital repeaters was not about the RF side, as Dave has pointed out that is another issue. I was talking about the politics and operational considerations on the Internet side not the technical issues of doing it.  Who gets connected to who and who doesn't. What service allows connections and what doesn't. The open atmosphere of Allstar makes this in most situations an individual decision rather than the decision of some hierarchy. I liken it in some ways to IRLP vs. Allstar. One of the reasons I left IRLP was because you either had a choice of connecting to one person or to a reflector run by an administrator who dictated how things were conducted. Individuals had little choice. With Allstar you have that choice. Digital repeaters connected by their native Internet scheme whether it be "wires" or whatever format they use gets back to an administered system and again the individual would have little choice. Even if one was to buy a personal repeater and connect it to the Internet at considerable expense they would not be able to just connect wherever they wanted within the network.

By the way you can connect a RF digital repeater to Allstar and maybe have the best of both worlds!
73 Doug
WA3DSP
http://www.crompton.com/hamradio

> Date: Fri, 23 Jan 2015 17:53:11 -0500
> From: kb4fxc at inttek.net
> To: app_rpt-users at ohnosec.org
> Subject: Re: [App_rpt-users] DMR sandbox
> 
> 
> Hi Everyone,
> 
> The "problem" with DMR and other digital repeaters (D-star, etc.) is that
> getting these repeaters running optimally may *not* just be a "install it
> and it works" situation!
> 
> All the standard issues found with analog repeaters (e.g.: receiver 
> desense, intermod, antenna pattern problems) are found with digital 
> systems, too.
> 
> The skillset required to debug the digital systems and get them running
> optimally is complex--more complex than for analog systems, in my 
> experience--you can tell a LOT about a system problem from analog noises 
> heard coming through the repeater. You don't have this luxury with 
> digital-only systems!  Oddball digital problems can be very challenging to 
> resolve!
> 
> Just my $0.02.
> 
> 73, David KB4FXC
> 
> 
> On Fri, 23 Jan 2015, Bryan D. Boyle wrote:
> 
> > actually, getting on dmr-marc is incredibly simple to install.  
> register the node, get the upstream address and encryption key, plug in, 
> hook up power, net, duplexer, follow the screen shots as to which tab and 
> box to fill in, save to repeater, and it's up.  if you have all the info, 
> takes a half hour.
> > 
> > it's meant for commercial. not lots to diddle with.  and it just works, 
> so even a clueless individual can use it.  
> > 
> > as 'flexible' as allstar?  no.  but considering the market it came 
> from, flexibility breeds unreliability.  dmr was meant to work, not be a 
> development platform.
> > 
> > two different realms of operation.  
> > --
> > Bryan
> > Sent from my iPhone 5...No electrons were harmed in the sending of this message.
> > 
> > 
> > 
> > > On Jan 23, 2015, at 16:48, Doug Crompton <doug at crompton.com> wrote:
> > > 
> > > I think this is a perfect example of how good the Allstar network is, 
> open source and so easy to use. Most of these digital (SMR, Dstar, etc.) 
> Internet connections are so much more convoluted than what we have here. 
> Until it gets sorted out, if it ever does, I am thankful for what we have!!! 
> > > 
> > > 73 Doug
> > > WA3DSP
> > > http://www.crompton.com/hamradio
> > > 
> > > 
> > > From: bdboyle at bdboyle.com
> > > Date: Fri, 23 Jan 2015 11:35:57 -0500
> > > To: N1XBM at amsat.org
> > > CC: app_rpt-users at ohnosec.org
> > > Subject: Re: [App_rpt-users] DMR sandbox
> > > 
> > > DMR-MARC is a batwing-supported network, so they have linited it to mototrbo repeaters as the infrastructure.  
> > > 
> > > Not that it is without issues, but since the IP site connect is proprietary and the network is informally supported by moto employees , i guess they can do with it what they want.
> > > 
> > > You can gen a hybrid repeater (dmr/analog with the proper entitlement key...$$), but loose the ip site connect to get the analog signals out the back of the box, or spend the $$ to get a c-bridge to link stuff together cross-protocol. 
> > > 
> > > either way, with the differences in quality of the signals, bandwidth differences, etc, i can see why MARC has limited and sandboxed it.
> > > 
> > > I bought a 440 XPR8400 a while ago and put it up on the MARC network.  Lost interest and gave it to the fellow who gave me the space in his shelter to do with what he wanted.  Neat technology, but mostly the same as asterisk networks, but it's reaching the 'endless september' atmosphere (google it for a fuller explanation)
> > > 
> > > 
> > > --
> > > Bryan
> > > Sent from my iPhone 5...No electrons were harmed in the sending of this message.
> > > 
> > > 
> > > 
> > > On Jan 23, 2015, at 10:54, Robert Newberry <N1XBM at amsat.org> wrote:
> > > 
> > > Anyone doing anything with this DMR sandbox? If I read it right it does not provide access to the DMR-MARC. Although maybe if your part of the sandbox that's a sub network? I see they specifically mention Allstar.
> > > 
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