UKHAS Wiki

HaTTY is a reduced character set RTTY based protocol with forward error correction developed for use in HABing. Currently this is a theoretical idea. HaTTY uses 4 bits for common numerical data and extends to 8 bits for characters.

0000 (NUL) 0001 0 0010 1 0011 2 0100 3 0101 4 0110 5 0111 6 1000 7 1001 8 1010 9 1011 , 1100 . 1101 - 1110 (SET1)

0000 (NUL)
0001 A
0010 B
0011 C
0100 D
0101 E
0110 F
0111 G
1000 H
1001 I
1010 J
1011 K
1100 L
1101 M
1110 N
1111 O

1111 (SET2)

0000 (NUL)
0001 P
0010 Q
0011 R
0100 S
0101 T
0110 U
0111 V
1000 W
1001 X
1010 Y
1011 Z
1100 *
1101 +
1110 NEWLINE
1111 RESERVED