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ATU80 Alphabet

Note: The information on this page was pieced together from multiple sources and may not be 100% complete or correct!

This is the telegraph alphabet used by the Egyptian diplomatic network in SITOR-A mode to encode Arabic. When decoded as ITA2, it appears almost incomprehensible. In case you'd like to convert Arabic ATU80 text misdecoded as Latin ITA2 back to Arabic, you can use the following converter:

Technical information:

ITA2 CCIR476 ITA2 LS ITA2 FS ATU80 LS ATU80 FS
00000 1101010 Null
00001 1010110 E 3 ٣
00010 1101100 Line feed
00011 1000111 A - -
00100 1011100 Space
00101 1001011 S ' '
00110 1001101 I 8 ﺯ ??? ٨
00111 1001110 U 7 ٧
01000 1111000 Carriage return
01001 1010011 D WRU WRU
01010 1010101 R 4 ٤
01011 0010111 J BEL BEL
01100 1011001 N , ,
01101 0011011 F ! !
01110 0011101 C : :
01111 0011110 K ( (
10000 1110100 T 5 ٥
10001 1100011 Z + +
10010 1100101 L ) )
10011 0100111 W 2 ٢
10100 1101001 H £ £
10101 0101011 Y 6 ٦
10110 0101101 P 0 ٠
10111 0101110 Q 1 ١
11000 1110001 O 9 ٩
11001 1110010 B ? ﻙ ???
11010 0110101 G & &
11011 0110110 Figure shift
11100 0111001 M . .
11101 0111010 X / /
11110 0111100 V = =
11111 1011010 Letter shift
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