This N9HSM Tom Ive have turn my beam to the Ohio Dstar I can hear it know
problems. You all have help me out alot I want to think you all on this group
so much for the help 73's keep up the good work Tom N9HSM
--- In [email protected], Tony Langdon <vk3...@...> wrote:
>
> At 07:41 PM 6/2/2010, you wrote:
>
> >In business, the decision maker frequently cannot get quality
> >engineering data to help make a decision, and is forced to figure
> >out what experts "feel" is the answer based in their own
> >experience. We are kind of in that postion here. I don't think
> >we'll steer N9HSM too far wrong if we say D-STAR is about as good,
> >and some claim somewhat better than, analog FM. I would add that
> >D-STAR is somewhat worse than FM when experiencing multipath.
>
> It is difficult to make true objective comparisons, but my experience
> would agree subjectively with the above. When there is no multipath,
> D-STAR does noticeably outperform FM over the same path. With
> multipath, results vary. Certainly from a moving train in the
> suburbs, D-STAR is tough. As you can see at
> http://vkradio.com/pt.html , working FM under these conditions was
> routine for me, once upon a time. I haven't been able to hold a
> stable D-STAR signal long enough to be able to reliably access the
> repeaters from the train.
>
> 73 de VK3JED / VK3IRL
> http://vkradio.com
>
