locked Re: D-STAR AT DAYTON HAMVENTION(R) 2018

Brad NK8J <bradnk8j@...>
 

On 4/29/2018 8:59 PM, Kenneth Hendrickson via Groups.Io wrote:
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On Sun, 4/29/18, John D Hays - K7VE <@john_hays> wrote:
Ken, I
don't know what you are talking about.
You are still in denial.

The physical
layer is the radio circuit and applied modulation, on D-STAR
that is GMSK.
GMSK is a *family* of possible PHY layer implementations.
https://en.wikipedia.org/wiki/Minimum-shift_keying#Gaussian_minimum-shift_keying
What is T? Where is it specified?

It isn't specified anyplace.

NOT fully published.
Therefore, NOT open.  NOT free (as in freedom).
Still CLOSED and PROPRIETARY.
Still NOT in the spirit of amateur radio.

73,
Ken N8KH

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