Tool to encode / decode WKS short weather codes. The Wetterkurzschlussel (WKS) codes are German codes used during the Second World War to communicate meteorological data.
Short Weather WKS Cipher - dCode
Tag(s) : Cryptography, Substitution Cipher
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Short Weather WKS Cipher
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Short Weather Codes Converter
Tool to encode / decode WKS short weather codes. The Wetterkurzschlussel (WKS) codes are German codes used during the Second World War to communicate meteorological data.
Answers to Questions
What is the Wetterkurzschlussel? (Definition)
The Wetterkurzschlussel (WKS) is a code used to send weather messages. It is composed of letters corresponding to weather information, usually temperatures or wind directions. The codes were transmitted via the Enigma machine and were short in order to decrease their propensity to be deciphered by the enemy.
How to encrypt with short weather codes?
The codes were a substitution of temperatures by letters (polyalphabetic substitution) according to the table:
| 28 | A | 27 | B | 26 | C | 25 | D |
|---|---|---|---|---|---|---|---|
| 24 | E | 23 | F | 22 | G | 21 | H |
| 20 | I | 19 | J | 18 | K | 17 | L |
| 16 | M | 15 | N | 14 | O | 13 | P |
| 12 | Q | 11 | R | 10 | S | 9 | T |
| 8 | U | 7 | V | 6 | W | 5 | X |
| 4 | Y | 3 | Z | 2 | A | 1 | B |
| 0 | C | -1 | D | -2 | E | -3 | F |
| -4 | G | -5 | H | -6 | I | -7 | J |
| -8 | K | -9 | L | -10 | M | -11 | N |
| -12 | O | -13 | P | -14 | Q | -15 | R |
| -16 | S | -17 | T | -18 | U | -19 | V |
| -20 | W | -21 | X | -22 | Y | -23 | Z |
Example: 24,15,20,22,16,28 can code 'ENIGMA'
Sometimes the wind was also coded according to the table
| Direction |
| Weak |
| Medium |
| Strong |
| N |
| A |
| I |
| Q |
| NE |
| B |
| J |
| R |
| E |
| C |
| K |
| S |
| SE |
| D |
| L |
| T |
| S |
| E |
| M |
| U |
| SW |
| F |
| N |
| V |
| W |
| G |
| O |
| W |
| NW |
| H |
| P |
| X |
| No wind |
| Y |
| Changing |
| Z |
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Source code
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