On 11/28/2011 05:52 PM, n8...@yahoo.com wrote:
> I see a number of potential problems with your VHF/UHF idea, most of which
> are compatibility issues with existing Icom repeater hardware and end-user
> radios;
Hi Matthew,
D*STAR isn't the way we'd do digital radio today. Although it's possible
to fit Codec2 in a D*STAR packet, and even possible to retrofit the
daughter boards in older ICOM HTs and mobiles, it's not clear that this
would be the best use of effort. There are only about 550 D*STAR
repeaters nationally, and ICOM had to give some of them away to get that
many. It's not taken over VHF and UHF to the extent that we have to be
compatible with it.
A much easier alternative is to gateway Codec2 voice to D*STAR. Just
network together, translating codecs and protocols. Everyone can talk
together that way.
We are at the point that HTs can be SDR, removing some of the hardware
limitations. There is a lot of room for us to experiment with FEC and
modulation. We're not tied to narrow-band, spread-spectrum can be tried
as well.
Thanks
Bruc e
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