[TrunkCom] historical EDACS question

[Jeff Kenyon]

Did this later evolve into Racom, meaning these systems?  Were they
purchased by Racom?





On Fri, 4 Nov 2005, Michael W. Scheel wrote:

> At one time there was a very intensive network of G-MARC systems in
> Iowa. Mainly marketed to farmers and rural business. They were several
> still active here in eastern Iowa at least a couple of years ago.
> Davenport Iowa had a large one with five channels, But I can't remember
> hearing it in the last year. Some systems were only one or two channels.
>
> The format has a very annoying tone superimposed on the audio which
> could be notched out with a filter. But you had to push scan after the
> audio dropped off. The entire conversation usually stayed on the same
> channel. G-Wiz board automated the sequence of notching and resuming the
> scan, but I never had one.
>
> There are some models of mobiles that are dual-capable for EDACS and
> G-MARC. Not sure about any handhelds.
>
> That exhausts my knowledge of G-MARC
>
> Jeff Kenyon wrote:
> > Hi everyone, I was just wondering a few things, and they have to do with
> > EDACS.  When was the first EDACS system brought on line and where?  I also
> > was wondering what was the old GE-MARK trunked format like, and are there
> > still any GE-MARK systems out there?  I also was wondering about EDACS,
> > and is it going out with OpenSky replacing many systems in the future?
>
>
> --
> ==================================================================
> Michael W. Scheel  N0NGL  //  ARRL // DARC // MBRS // TAPR
> Davenport IOWA      // RCMA IA-011 // IPMS/US #25517 QCSMS
> personal website  -  http://www.n0ngl.net/
> Quad-Cities (IA-IL) Scanning website - http://www.qcscan.com/
> Quad-Cities Scale Modelers Society - http://www.qcsms.org/
> ==================================================================
>
>
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