[TVARC] Morse code item

Dennis McKinney n0smx2 at gmail.com
Mon Oct 7 15:10:47 EDT 2019


Thanks Bob very interesting stuff.
😎😎😎😎
Dennis N0SMX

On Mon, Oct 7, 2019, 12:22 Robert Averitt <bobandsandy1964 at gmail.com> wrote:

> I was doing some research on the most commonly used letters in the English
> language and came across this interesting article on the Morse code -
> worthy of sharing with fellow hams...
> Bob
> WA3EWK
>
>
> Which Letters In The Alphabet Are Used Most Often?
>
>  The inventor of Morse <https://www.lexico.com/en/definition/morse>code,
> Samuel Morse (1791-1872), needed to know this so that he could give the
> simplest codes to the most frequently used letters.  He did it simply by
> counting the number of letters in sets of printers' type.
>
> The figures he came up with were:
>
> 12,000
>
> E
>
> 2,500
>
> F
>
> 9,000
>
> T
>
> 2,000
>
> W, Y
>
> 8,000
>
> A, I, N, O, S
>
> 1,700
>
> G, P
>
> 6,400
>
> H
>
> 1,600
>
> B
>
> 6,200
>
> R
>
> 1,200
>
> V
>
> 4,400
>
> D
>
> 800
>
> K
>
> 4,000
>
> L
>
> 500
>
> Q
>
> 3,400
>
> U
>
> 400
>
> J, X
>
> 3,000
>
> C, M
>
> 200
>
> Z
>
>
>
>
>
> However, this gives the frequency of letters in English text, which is
> dominated by a relatively small number of common words.  For word games, it
> is often the frequency of letters in English vocabulary, regardless of word
> frequency, which is of more interest. We did an analysis of the letters
> occurring in the words listed in the main entries of the *Concise Oxford
> Dictionary* (11th edition revised, 2004) and came up with the following
> table:
>
>
>
> E
>
> 11.1607%
>
> 56.88
>
> M
>
> 3.0129%
>
> 15.36
>
> A
>
> 8.4966%
>
> 43.31
>
> H
>
> 3.0034%
>
> 15.31
>
> R
>
> 7.5809%
>
> 38.64
>
> G
>
> 2.4705%
>
> 12.59
>
> I
>
> 7.5448%
>
> 38.45
>
> B
>
> 2.0720%
>
> 10.56
>
> O
>
> 7.1635%
>
> 36.51
>
> F
>
> 1.8121%
>
> 9.24
>
> T
>
> 6.9509%
>
> 35.43
>
> Y
>
> 1.7779%
>
> 9.06
>
> N
>
> 6.6544%
>
> 33.92
>
> W
>
> 1.2899%
>
> 6.57
>
> S
>
> 5.7351%
>
> 29.23
>
> K
>
> 1.1016%
>
> 5.61
>
> L
>
> 5.4893%
>
> 27.98
>
> V
>
> 1.0074%
>
> 5.13
>
> C
>
> 4.5388%
>
> 23.13
>
> X
>
> 0.2902%
>
> 1.48
>
> U
>
> 3.6308%
>
> 18.51
>
> Z
>
> 0.2722%
>
> 1.39
>
> D
>
> 3.3844%
>
> 17.25
>
> J
>
> 0.1965%
>
> 1.00
>
> P
>
> 3.1671%
>
> 16.14
>
> Q
>
> 0.1962%
>
> (1)
>
>
>
>
>
>
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