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From: Roger Lapthorn <rogerlapthorn@gmail.com>
Date: Mon, 26 Dec 2016 21:17:39 +0000
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To: "rsgb_lf_group@blacksheep.org" <rsgb_lf_group@blacksheep.org>
Subject: Re: LF: Article on forward error correction
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Thanks Paul.

I have added a link on my blog at
http://g3xbm-qrp.blogspot.co.uk .  It gets LOTS of visits each day from
people all over the world.

I have also added a link on my sub-9kHz amateur radio news page. See
https://sites.google.com/site/sub9khz/

73s
Roger G3XBM

On 26 December 2016 at 19:02, Bill de Carle <ve2iq@magma.ca> wrote:

> There should be a "Nicholson limit" for how well something of a certain
> complexity can be explained using a given number of words with a high
> probability of being understood correctly.  Your paper is about as good as
> it could ever get.  Thanks Paul.
> Bill VE2IQ
>
>
> At 02:35 AM 12/26/2016, Paul wrote:
>
> I wrote a non-mathematical introductory article about how
>> forward error correction works.
>>
>> There's a lot of material on the web about FEC but most
>> of it is very technical and tends to concentrate on one or
>> another particular coding scheme.  I couldn't find anything
>> that demonstrates and really explains in simple terms the
>> essential principle of it.
>>
>> So I thought I'd try to write something, perhaps to see if
>> I can understand it myself.
>>
>> The article should appeal to anyone who's wondered how 'coding'
>> a message, which increases its bandwidth and reduces its S/N,
>> can actually lead to greatly improved communications.
>>
>>  http://abelian.org/fec/pn161218/
>>
>> or in pdf format
>>
>>  http://abelian.org/fec/pn161218.pdf
>>
>> Whether I've succeeded or not, the reader will have to judge.
>>
>> --
>> Paul Nicholson
>> --
>>
>>
>
>

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<div dir=3D"ltr"><div>Thanks Paul. </div><div><br></div><div>I have added a=
 link on my blog at</div><div><a href=3D"http://g3xbm-qrp.blogspot.co.uk">h=
ttp://g3xbm-qrp.blogspot.co.uk</a>=C2=A0.=C2=A0 It gets LOTS of visits each=
 day from people all over the world.</div><div>=C2=A0</div><div>I have also=
 added a link on my sub-9kHz amateur radio news page. See <a href=3D"https:=
//sites.google.com/site/sub9khz/">https://sites.google.com/site/sub9khz/</a=
></div><div><br></div><div>73s</div><div>Roger G3XBM</div></div><div class=
=3D"gmail_extra"><br><div class=3D"gmail_quote">On 26 December 2016 at 19:0=
2, Bill de Carle <span dir=3D"ltr">&lt;<a href=3D"mailto:ve2iq@magma.ca" ta=
rget=3D"_blank">ve2iq@magma.ca</a>&gt;</span> wrote:<br><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex">There should be a &quot;Nicholson limit&quot; for how well so=
mething of a certain complexity can be explained using a given number of wo=
rds with a high probability of being understood correctly.=C2=A0 Your paper=
 is about as good as it could ever get.=C2=A0 Thanks Paul.<br>
Bill VE2IQ<div class=3D"HOEnZb"><div class=3D"h5"><br>
<br>
At 02:35 AM 12/26/2016, Paul wrote:<br>
<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
I wrote a non-mathematical introductory article about how<br>
forward error correction works.<br>
<br>
There&#39;s a lot of material on the web about FEC but most<br>
of it is very technical and tends to concentrate on one or<br>
another particular coding scheme.=C2=A0 I couldn&#39;t find anything<br>
that demonstrates and really explains in simple terms the<br>
essential principle of it.<br>
<br>
So I thought I&#39;d try to write something, perhaps to see if<br>
I can understand it myself.<br>
<br>
The article should appeal to anyone who&#39;s wondered how &#39;coding&#39;=
<br>
a message, which increases its bandwidth and reduces its S/N,<br>
can actually lead to greatly improved communications.<br>
<br>
=C2=A0<a href=3D"http://abelian.org/fec/pn161218/" target=3D"_blank" rel=3D=
"noreferrer">http://abelian.org/fec/pn1612<wbr>18/</a><br>
<br>
or in pdf format<br>
<br>
=C2=A0<a href=3D"http://abelian.org/fec/pn161218.pdf" target=3D"_blank" rel=
=3D"noreferrer">http://abelian.org/fec/pn1612<wbr>18.pdf</a><br>
<br>
Whether I&#39;ve succeeded or not, the reader will have to judge.<br>
<br>
--<br>
Paul Nicholson<br>
--<br>
<br>
</blockquote>
<br>
<br>
</div></div></blockquote></div><br></div>

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