[amsat-bb] Re: D STAR

Stefan Wagener wageners at gmail.com
Sun Nov 10 13:21:02 PST 2013


Yes, will try to put a few suggestions together for Icom for the next
IC-9100 firmware upgrade. It would be a good radio to use next to others.

Have a good weekend,


On Sun, Nov 10, 2013 at 2:45 PM, Patrick STODDARD (WD9EWK/VA7EWK) <
amsat-bb at wd9ewk.net> wrote:

> Stefan,
> It appears that stations attempting to work D-Star via
> satellite would need to use two radios.  This was the
> case a few years ago, when AA4RC and N3UC were able to
> make a brief QSO on AO-27.  You can read about what gear
> the used, along with some useful tips for trying D-Star
> via satellite, at:
> http://www.ao27.org/AO27/
> The 5 kHz tuning steps for D-Star radios would make
> satellite operating difficult as you mentioned.  AO-27
> was the ideal satellite for this sort of experiment,
> since its uplink receiver was intended for use with
> data, and doesn't filter the lower end of the audio
> range that it hears.  Plus the control operators of
> AO-27 have stated clearly that they support and
> encourage D-Star on AO-27, something not seen for any
> of our other satellites.
> From a quick read of the IC-9100 instruction manual, it
> is clear that D-Star was not intended to be used in this
> radio for satellite operating or for anything other than
> the "normal" D-Star operations (RX and TX in the same
> band, simplex or repeater).  You could use the IC-9100 as
> one of the two radios for D-Star satellite operation as
> those guys did for AO-27 a few years ago, but you would
> not have access to the IC-9100 satellite functionality.
> 73!
> Patrick WD9EWK/VA7EWK
> http://www.wd9ewk.net/
> On Sun, Nov 10, 2013 at 8:18 PM, Stefan Wagener <wageners at gmail.com>
> wrote:
> > D Star satellite?
> >
> > That sounds like a need idea. Would be nice to do some tests on existing
> > satellites.
> >
> > With SO-50 it will not work unless someone has figured out how to have D
> > Star (DV) active on any D-Star radio with the required tone enabled.
> Won't
> > work with the IC-9100. Tried it. Another problem is the 5KHz spacing
> since
> > you pretty much have to be right on the frequency on the TX and RX. Also,
> > on the IC-9100 it seems to be not possible to set D-Star (DV) on the RX
> and
> > TX in satellite mode. Anyone else tried it? Also, SatP32 has at the
> moment
> > no DV functionality for the IC-9100. I guess we have a long way to go :-)
> >
> > Stefan
> >
> >
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