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Re: [RTTY] CAP letters on or off?

To: <chen@mac.com>, RTTY contest group <rtty@contesting.com>
Subject: Re: [RTTY] CAP letters on or off?
From: David VE3VID <ve3vid@hotmail.com>
Date: Sun, 26 Dec 2010 18:02:11 -0500
List-post: <rtty@contesting.com">mailto:rtty@contesting.com>


Hi Thanks KC......that was exactly what I was wondering about
 
Cheers and HNY
 
David


 
> From: chen@mac.com
> Date: Sun, 26 Dec 2010 14:02:24 -0800
> To: rtty@contesting.com
> CC: ve3vid@hotmail.com
> Subject: Re: [RTTY] CAP letters on or off?
> 
> On Dec 26, 2010, at 1:35 PM, David VE3VID wrote:
> 
> > Sorry about the simple type question. I'm a bit confused by something I 
> > read a while back. Should I have my computer keyboard CAPS LOCK set on for 
> > RTTY? Otherwise avoid shifting between upper & lower case letters?
> 
> There is no case distinction in Baudot RTTY. Everything is transmitted as a 
> single case.
> 
> Your software may display what you type as upper and lower case, but it is 
> going on the air as a single encoding. Most Baudot RTTY software will print 
> the received characters as upper case.
> 
> ASCII Radioteletype allows you to distinguish between upper and lower case, 
> so will PSK31 and other Varicode based digital modes.
> 
> In the case of ASCII Radioteletype, there is no advantage either way. In the 
> case of PSK31 and modern digital modes, it is better to transmit with lower 
> case, since lower case characters are encoded as shorter Varicode that will 
> result in faster data rates, and given the same bit error rate, will result 
> in fewer errors per character.
> 
> By the way, they are called "cases" because the old typesetters' movable 
> types are usually separated into different boxes or "cases." One box (case) 
> contains the capital letters and the other box contains the non-capital 
> letters. 
> 
> 73 es HNY
> Chen, W7AY
> 
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