[Dstar] VK3RMM D-Star repeater

[Richard Hoskin]

Hi Adrian,

The NextG connection on VK3RMM is using a commercial 3G modem with an
inbuilt Ethernet port so there is no need to do any CentOS kernel rebuilds
etc.

In regards to VK4RWN; Port B has been unlinked from REF003 B.

Cheers
Richard
VK3JFK


> -----Original Message-----
> From: dstar-bounces at lists.wia.org.au [mailto:dstar-
> bounces at lists.wia.org.au] On Behalf Of Adrian
> Sent: Wednesday, 19 August 2009 9:18 PM
> To: Dstar Digital Radio Mail List
> Subject: [Dstar] VK3RMM D-Star repeater
> 
> >
> >> New Repeater Gateway Online:
> >>
> >> After many months of work the VK3RMM D-Star repeater's Gateway has been
> >> installed and is now being tested. The big challenge for the Gateway
> >> installation was to find the best way to provided broadband internet
> >> to the
> >> site. ADSL was not possible as the site was just too far away from
> >> the local
> >> telephone exchange so the chose was 3G or a 900Mhz RF link to a
> >> remote ADSL
> >> service in one of the towns nearby. After some deliberation it was
> >> decided
> >> to use 3G. As the 3G connection has limited bandwidth DV-Dongle
> >> access to
> >> the VK3RMM Gateway will be limited. There may also be a slight
> >> degradation
> >> of voice at the beginning of some local RF transmissions when listening
> >> remotely. Thanks to everyone who assisted in getting the Gateway on-
> air.
> >>
> >>
> >>
> >
> Are you running CentOS 5 on the gateway machine?. If so the kernel wont
> recognise the next-G modem without some tedious modification of the
> kernel with a airprime patch or similar, and I never had this working on
> my CentOS 5 box here.
> 
> I also have used fedora 10 (now updated to 11) on another pc here.
> 
> In your situation, (If you go with Next-G/3G), I would be running the G2
> gateway software on fedora 10 with a simple basic install of just those
> packages required for stable operation, and it is very stable.
> 
> Many of the early gateways on D-Star used fedora, which has the same rpm
> structure as CentOS.
> 
> Networkmanager in fedora 10 works very well with the next-G/3G modem,
> with the cmotech cdma driver already in the kernel.
> The connection is very solid 24/7. I never turn mine off here, and am
> using it to send this email.
> 
> I get 180kb/s download speed and 120kb/s up regularly in practice, and
> sometimes as high as 300kb/s with a strong signal.
> 
> The connection is simple in the Networkmanager>Mobile broadband config
> (gui) tab, and all that is needed is *99# in the basic number: field,
> with login name and password beneath.
> 
> PPP authentication is set to pap only protocol, with IP4V  set at
> automatic method. The speed is very good.
> 
> The interface will not be eth0 of course, but ppp0.
> 
> There may be a cdma hub with an eth interface available for an easier
> setup, that you could also use. I know Maxon make these for their range
> as a option.
> 
> vk4tux
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