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| Date: | Tue, 3 May 2005 11:32:12 -0600 |
| Content-Type: | text/plain |
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it would probably be for very wide coverage, like regional within 60 or 70
miles on ssb i would think.
Be interesting to see who is using it and find out a little more about why
they chose such an unusual system for their communications.
73
Colin, V A6bkx
----- Original Message -----
From: "Jeff Kenyon" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, May 03, 2005 11:10 AM
Subject: Re: 220 ssb system
> Hi Collin and the rest of the group. This I think is to tune the radio to
> the signal, but I guess to the user it sounds like standard FM, but I can
> tell you that from what I've been able to gather from monitoring with my
> THF6A this system in my area isn't for in-building coverage at all.
>
>
>
>
>
> On Tue, 3 May 2005, Colin McDonald wrote:
>
> > This is a multi-part message in MIME format.
> >
> > ------=_NextPart_000_01A0_01C54FCF.BCD11210
> > Content-Type: text/plain;
> > charset="iso-8859-1"
> > Content-Transfer-Encoding: quoted-printable
> >
> > the tone could very well be a dcss tone or something similar...perhaps a
> > ctcss tone to key the bass radio or what ever other portible station =
> > they
> > are talking with.
> > What sort of agency uses this system?
> > I would think they probably dont utilize repeaters on ssb? or what ever
=
> > form
> > of it this is?
> > If so, then just like on fm they might be using a continuous tone to key
=
> > the
> > repeater or to send some sort of radio identification to the control
> > station.
> > Might also be a fault with the type of radios they are using or =
> > something to
> > do with the environments they are transmitting from.
> >
> > 73
> > Colin, V A6BKX
> > ------=_NextPart_000_01A0_01C54FCF.BCD11210
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> > charset="iso-8859-1"
> > Content-Transfer-Encoding: quoted-printable
> >
> > <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
> > <HTML><HEAD>
> > <META http-equiv=3DContent-Type content=3D"text/html; =
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> > <META content=3D"MSHTML 6.00.2800.1476" name=3DGENERATOR>
> > <STYLE></STYLE>
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> > <BODY bgColor=3D#ffffff><FONT face=3DArial size=3D2>
> > <DIV>the tone could very well be a dcss tone or something =
> > similar...perhaps=20
> > a<BR>ctcss tone to key the bass radio or what ever other portible =
> > station=20
> > they<BR>are talking with.<BR>What sort of agency uses this system?<BR>I
=
> > would=20
> > think they probably dont utilize repeaters on ssb? or what ever =
> > form<BR>of it=20
> > this is?<BR>If so, then just like on fm they might be using a continuous
=
> > tone to=20
> > key the<BR>repeater or to send some sort of radio identification to
the=20
> > control<BR>station.<BR>Might also be a fault with the type of radios =
> > they are=20
> > using or something to<BR>do with the environments they are
transmitting=20
> > from.</DIV>
> > <DIV> </DIV>
> > <DIV>73<BR>Colin, V A6BKX</FONT></DIV></BODY></HTML>
> >
> > ------=_NextPart_000_01A0_01C54FCF.BCD11210--
> >
>
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