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Re: D-STAR simplex node?

Von: Brian MW0GKX (notsaying@here.com) [Profil]
Datum: 04.07.2008 18:40
Message-ID: <Wosbk.84223$ft1.19173@newsfe14.ams2>
Newsgroup: uk.radio.amateur
"Ben" <nospam@nospam.com> wrote in message
news:It-dnVrQCvH70vPVnZ2dneKdnZydnZ2d@posted.plusnet...
> How come all the D-STAR nodes are repeaters and there are no simplex
> nodes? One of the really useful features of Echolink is the ability for
> individuals to easily and cheaply set up simplex link L-nodes and then
> connect them to the local repeater R-node, thus filling in a dead zone or
> extending its range. Clearly the D-STAR network is not a closed system
> like IRLP because people are able to connect using the DV Dongle, so why
> no simplex links?

A very good question to which, I'm afraid, I have no answer. I have asked
the same and been told that "nobody wants to do that". Perhaps it will
come.......


> I guess if a D-STAR rig comes along in the future that allows access to
> the data stream then a modified version of the DV Tools software could be
> used to set up a simplex node, and I am aware of someone who's trying a
> similar thing using a software GMSK encoder/decoder and the 9600 baud
> packet port on an analogue rig with some success, but the thing that
> amazes me is the general lack of interest in such a feature.


I've read of some GMSK packet port experimentation in the US and found their
work quite interesting.

>Most people I talk to about it don't even seem to understand what I'm on
>about and think that I'm interested in connecting an analogue simplex link
>into the D-STAR network.
>


To do that would require a D-STAR radio at the analogue end in some kind of
configuration to receive analogue/transmit digital and vice versa (not
something that the transceivers can do (yet!)) or a fast PC doing
encode/decode interfacing and it's not what you mean anyway!

73s
Brian
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