The SSB you can with a THF6A or other rig that will allow monitoring of
SSB in that band.





On Mon, 25 Oct 2004, Brent Harding wrote:

> Is it possible to decode these signals? Can most tnc's do it?
>
> ----- Original Message -----
> From: "Martin McCormick" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Monday, October 25, 2004 1:34 PM
> Subject: Re: 220 update
>
>
> >         I have never heard any voice on 220-222 MHZ in North-Central
> > Oklahoma, but I do hear continuous data transmissions that have
> > occasional CW ID's.  I think these are what they call SCADA systems.
> > That stands for Supervisory, Control And Data Acquisition.  Not
> > terribly exciting to listen to.  All of these signals are faint, here,
> > but get a little louder when the band opens up.
> >
> >         I have no idea where they are coming from except that they are
> > not local.  I am 50 miles North of Oklahoma City, about 70 Miles
> > Southwest of Tulsa and about 120 miles south of Wichita.
> >
> >         SCADA systems are used anywhere one has lots of remote
> > monitoring such as oil pipe lines, electric power distribution
> > systems, water treatment plants and so forth.
> >
> > Martin McCormick WB5AGZ  Stillwater, OK
> > OSU Information Technology Division Network Operations Group
> >
>