[CW] PARIS vs CODEX (or CODEZ) Code Speeds

[Richard Knoppow]

    A new mystery adventure: "The Paris Codex" Featuring 
Professor Morse.  That's as far as I have gotten. However, I may 
feature a trained Dolphin in it.

On 2/4/2018 6:30 PM, D.J.J. Ring, Jr. wrote:
> PARIS was chosen because the ITU conference was held in (wait for 
> it), PARIS.  PARIS was defined as a word having 50 "dot units" or 
> baud. So it became the  speed standard.  10 WPM was the speed 
> that resulted when  PARIS was sent 10 times in a minute.  It was 
> the average length of a word in English.
> 
> Code  groups are random so their speed is different than English, 
> which is "faster" because Morse was designed for English, the 
> common  letters are short Morse characters, E the most common, T 
> the second most common, etc.
> 
> CODEZ or CODEX (same baud) is 60 dot units or 60 baud. So you can 
> see that the same dots and dashes (speed setting of the key) will 
> send 20 wpm but only 50/60 groups per minute or about 16 gpm.  
> Thus the test for the Telegraph license is 20 wpm and 16 gpm 
> (groups per minute).
> 
> 73
> 
> DR



-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL