At 5/28/2007 12:27, you wrote:

>Also, as you pointed out, D-Star digital voice is a narrowband signal
>occupying only about 6Khz vs. the 25Khz or so that amateur repeaters have
>often required to date. It is difficult to do a comparison between a

While the typical 50 dB analog NBFM (5 kHz deviation) bandwidth is ~20 kHz, 
the 50 dB bandwidth of DStar appears to be about 10 kHz.  Here in SoCal 
we're proposing 10 kHz channel spacing for DStar, digital P25 & any other 
"very narrow band digital voice", or VNBDV, systems.

Bob NO6B


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