[TrunkCom] Re: VSELP

[JEFFREY MICHAEL KENYON]

I have a THF6A that I think may be able to decode some voice  inversion,
but  trouble is with me is that I am not around much of it to try it out
with.  The THF6A has SSB, but not on 800 MHz, or 900 MHz, and there is no
voice inversion around me on those bands anyway.   the most I have heard as
far as inversion is concerned has come from  personal equipment that is
illegal  to monitor anyway.  Are there any trunking systems that have this
kind of encryption with them though?





On Sat, 30 Mar 2002, Gary Hahn wrote:

> It's my understanding that ACSB can be understood if tuned with an SSB
> capable receiver such as an AR8000.  Not enough activity around here for me
> to try it though.  No tracking with that, obviously...  Shouldn't be hard
> for a developer to do...an adaptation of LTR trunking protocol...biggest
> hurdles would be market and receive section for that modulation.
> 
> Certain simple voice inversion scrambling can be decoded with software
> available on the internet, as well as a voice inversion module for the
> AR8000.  Again, no experience with either here as no one uses it anymore,
> with the exception of some FRS transmissions I've heard lately....but not
> strong enough to work with yet.
> 
> Sorry I don't have firsthand experience with either, just letting you know
> you can try...
> 
> >
> > Now if they could make a scanner that tracks A.C.S.B. trunking.
> >
> > Around here they still use Voice Inversion.
> 
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