RTTY - RadioTeleTYpe


It is a way to send written texts over the air, as binary sequences of 5-8 bits and more. Different codes can be used (Ascii, Baudot) and transmission speed ranges from 45 to 300 bits per second (bps). There are also many different protocols, including some checking for a good reception of the data.
The bandwidth of all these modes is rather modest and the modulation type most popular is FSK.

Baudot Code
CodeLettersFigures
00000BlankBlank
00001E3
00010Line FeedLine Feed
00011A-
00100SpaceSpace
00101S' (Ita) Bell (Us)
00110I8
00111U7
01000Carriage
Return
Carriage
Return
01001DWho Are You (Ita)
$ (Us)
01010R4
01011JBell (Ita) ' (Us)
01100N,
01101F! (Us)
01110C:
01111K(
10000T5
10001Z+ (Ita) " (Us)
10010L)
10011W2
10100H# (Us)
10101Y6
10110P0
10111Q1
11000O9
11001B?
11010G& (Us)
11011FIGURESFIGURES
11100M.
11101X/
11110V= (Ita) ; (Us)
11111LETTERSLETTERS
ASCII Code
CodeChar.
0000000NUL
0000001SOH
0000010STX
0000011ETX
0000100EOT
0000101ENQ
0000110ACK
0000111BEL
0001000BS
0001001HT
0001010LF
0001011VT
0001100FF
0001101CR
0001110SO
0001111SI
0010000DLE
0010001DC1
0010010DC2
0010011DC3
0010100DC4
0010101NAK
0010110SYN
0010111ETB
0011000CAN
0011001EM
0011010SUB
0011011ESC
0011100FS
0011101GS
0011110RS
0011111US
0100000Space
0100001!
0100010"
0100011#
0100100$
0100101%
0100110&
0100111'
0101000(
0101001)
0101010*
0101011+
0101100,
0101101-
0101110.
0101111/
01100000
01100011
01100102
01100113
01101004
01101015
01101106
01101117
01110008
01110019
0111010:
0111011;
0111100<
0111101=
0111110>
0111111?
CodeChar.
1000000@
1000001A
1000010B
1000011C
1000100D
1000101E
1000110F
1000111G
1001000H
1001001I
1001010J
1001011K
1001100L
1001101M
1001110N
1001111O
1010000P
1010001Q
1010010R
1010011S
1010100T
1010101U
1010110V
1010111W
1011000X
1011001Y
1011010Z
1011011[
1011100\
1011101]
1011110^
1011111_
1100000`
1100001a
1100010b
1100011c
1100100d
1100101e
1100110f
1100111g
1101000h
1101001i
1101010j
1101011k
1101100l
1101101m
1101110n
1101111o
1110000p
1110001q
1110010r
1110011s
1110100t
1110101u
1110110v
1110111w
1111000x
1111001y
1111010z
1111011{
1111100|
1111101}
1111110~
1111111DEL

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