[TrunkCom] Re: Talk Group Question
JERRY NONE
thepolishdude at yahoo.com
Fri Aug 12 15:10:33 EDT 2005
Okay, so we have 4096 * 16 = 65536
or we can take (4096*15 Status Bits)+4096=65536
but since Staus Bits 8 - 15 are D.E.S. then we have
(4096 * 7 Staus Bits[That we can listen to.]) = 28672
+ 4096 = 32768 or 50% of what we can listen to.
Correct?
Those P-25 System tha you refer to, are 100% P-25
(Voice Digital, Control Digital) and NOT the Mixed
Mode 3600 Baud ones (Voice Digital, Control Analog)
right?
--- mch <mch at nb.net> wrote:
> The REAL answer is 65536/16 = 4096 TGs. 3600 systems
> TGs are in steps of
> 16, not 32, even though many systems use steps of
> 32. Some actually use
> the minimum steps of 16. The other 15 'TGs' between
> each TG are for the
> ststus bits, of which there are 15 following the
> base TG.
>
> I don't know where some of this other math is coming
> from
> (like 65536/32=20,xxx).
>
> Including the status bits, there are 65536 TGs.
> (0-65535)
>
> BTW, a P25 system can have 65536 TGs. They can use
> steps of 1.
>
> These are all minus a couple TGs that are reserved.
>
> Joe M.
>
> JERRY NONE wrote:
> >
> > How many Talk Groups can a 3600 Baud System Type
> II
> > System have? Are Status Bits also included in
> this
> > number or are they extra? I am only concerned
> with
> > Status Bits 1 through 7 since I believe that 8 -
> 15
> > are D.E.S. so we cannot listen to them anyways.
>
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