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communication:hatty [2012/06/28 20:10] – created upucommunication:hatty [2012/07/02 13:03] (current) – [Overview] fsphil
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 ==== Overview ==== ==== Overview ====
  
-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-1 is a numeric only protocol using 4 bits, HaTTY-2 is a alphanumeric protocol using 6 bits.+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. Only the characters below are permitted and all letters are upper case only
  
-==== HaTTY-====+<code> 
 +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 (CHARACTER 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
  
-^ Character     ^Binary ^ +1110 (CHARACTER SET2) 
-|NULL|0000| + 0000 (NUL) 
-|1|0001| + 0001 P 
-|2|0010| + 0010 Q 
-|3|0011| + 0011 R 
-|4|0100| + 0100 S 
-|5|0101| + 0101 T 
-|6|0110| + 0110 U 
-|7|0111| + 0111 V 
-|8|1000| + 1000 W 
-|9|1001| + 1001 X 
-|0|1010| + 1010 Y 
-|*|1011| + 1011 Z 
-|.|1100| + 1100 SPACE 
-|-|1101| + 1101 ! 
-|$|1110| + 1110 " 
-| |1111|+ 1111 # 
 + 
 +1111 (CHARACTER SET3) 
 + 0000 (NUL) 
 + 0001 $ 
 + 0010 % 
 + 0011 & 
 + 0100 ' 
 + 0101 ( 
 + 0110 ) 
 + 0111 * 
 + 1000 + 
 + 1001 - 
 + 1010 / 
 + 1011 : 
 + 1100 ; 
 + 1101 @ 
 + 1110 NEWLINE 
 + 1111 BELL 
 +</code>
communication/hatty.1340914225.txt.gz · Last modified: 2012/06/28 20:10 by upu

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