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Re: [RTTY] Mark & Space - High Tones

To: rtty@contesting.com
Subject: Re: [RTTY] Mark & Space - High Tones
From: Robert Chudek - K0RC <k0rc@citlink.net>
Reply-to: k0rc@citlink.net
Date: Wed, 08 Jun 2011 17:54:32 -0500
List-post: <rtty@contesting.com">mailto:rtty@contesting.com>
As Joe says, the space RF frequency is always (should always be) the 
lower of the two RF frequencies being transmitted. When it is not, 
people cannot copy you unless they invert their decoder.

So the graphic should look like this:

Space    Mark    Carrier    Space   Mark

So... what's a crutch to help you remember this? Here's one visual "When 
you step off into space, you are going to fall down (lower)."

73 de Bob - KØRC in MN
------------------------------------------------------------------------


On 6/8/2011 5:43 PM, Clint Talmadge W5CPT wrote:
> Now if we could get folks to understand this when spotting RTTY stations on
> the cluster it would be great!
>
> Clint Talmadge - W5CPT
>
>
> -----Original Message-----
> From: rtty-bounces@contesting.com [mailto:rtty-bounces@contesting.com] On
> Behalf Of iw1ayd
> Sent: Wednesday, June 08, 2011 5:36 PM
> To: rtty@contesting.com
> Subject: Re: [RTTY] Mark&  Space - High Tones
>
> Phil, may I say: yes.
>
>                                               !
> space   mark               zero beat               mark  space
>                                               !
>
> The mark is anyway the nearest tone to the suppressed carrier zero beat
> frequency. The readout on radio may change but this is the picture.
>
>
>              73 de iw1ayd Salvo
>
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