D-STAR questions

Tom Azlin, N4ZPT tom at n4zpt.org
Sun Nov 27 18:58:54 CST 2005

Hi Maitland.  I guess the same place the key jack is on the rest of our 
FM rigs!

I think there were some translated documents and I will try to find 
them.  I have not found any sort of test point to look at the raw data 
point at least with the ID-1 or the ID-800.  There is a digital add in 
card for the IC-2200 that might make it possible to get to the 4800 bps 
(allocated to 2400 voice, 1200 data, 1200 overhead and FEC).

I can get together with Howard or Dick KM4ML or Paul KI4DTL and record 
some of the audio probably. Seemed to be about what you would expect at 
2400 bps, pretty rough but comms quality.

73, Tom n4zpt

A. Maitland Bottoms wrote:
> Nice to see the digital radios at Tacos...
> but was there a jack for the KEY?
> Even after looking around the vendor's web site, there
> are a few questions that might be answered here after some
> experimentation.
> Is anyone around who can read
> http://www.jarl.com/d-star/
> or
> http://www.jarl.com/d-star/shiryou/STD4_3C.pdf
> ?
> JARL doesn't seem to have anything like those at the
> English part of the web site.
> Is there some setting to allow using other than
> AMBE as the codec? (Or will I be sued if I make a
> radio that is interoperable with a D-STAR radio?)
> Could we get some .WAV files or equivalent recorded
> of the voice through the D-STAR link?
> -Maitland
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