[Dx4win] ROS, Left Behind

[Kostas Stamatis]

Plus on these, is a wide spectrum mode and is prohibited in some countries 
(to use so wide spectrum on ROS freqs).
Kostas sv1dpi

----- Original Message ----- 
From: "John Shaw" <jnshaw at internet.co.nz>
To: <dx4win at mailman.qth.net>
Sent: Sunday, July 04, 2010 7:27 AM
Subject: Re: [Dx4win] ROS, Left Behind


> ROS, developed by José Albert Nieto Ros, is a new digital mode. Using
> spread spectrum and 1 or 16 Baud signalling rates it is designed to cope
> with disturbances, low level signals, meteor scatter and moon bounce and
> claims that receiving signals down to -35 dB (!) with 1 Bd signalling rate
> and -30 dB (!) with 16 Bd are possible.
>
> You can tell a ROS spot because they usually  advertise the fact in the
> comments field and that in it self is fine.
>
> The part that gets me is that even though set frequencies have been
> suggested, kind of like channels the users of the mode seem hell bent on
> being very prolific spotters and even auto beacons just in case the rest 
> of
> the world is missing their existence.
>
> If your into QRP and weak signal work you may find this new mode exciting.
>
> 73 John ZL1BYZ
>
> -----Original Message-----
> From: dx4win-bounces at mailman.qth.net 
> [mailto:dx4win-bounces at mailman.qth.net]
> On Behalf Of Art - W6KY
> Sent: Sunday, 4 July 2010 15:43
> To: DX4WIN Reflector
> Subject: [Dx4win] ROS, Left Behind
>
> OK, I got left behind..
>
> What is an ROS spot???
>
> 73, Art  W6KY
> ..
>
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