Differences

This shows you the differences between two versions of the page.

--- communication:hatty [2012/06/28 20:18] – upu
+++ communication:hatty [2012/07/02 13:03] (current) – [Overview] fsphil
@@ Line 3: / Line 3: @@
 ==== 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 uses 4 bits for common numerical data and extends to 8 bits for characters.
+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.
+<code>
 (NUL)
 0
@@ Line 18: / Line 19: @@
 ,
 .
- -
+(CHARACTER SET1)
- (SET1)
 (NUL)
 A
@@ Line 37: / Line 37: @@
 O
- (SET2)
+ (CHARACTER SET2)
 (NUL)
 P
@@ Line 50: / Line 50: @@
 Y
 Z
- *
+ SPACE
- +
+ !
- NEWLINE
+ "
- RESERVED
+ #
+(CHARACTER SET3)
+(NUL)
+$
+%
+&
+'
+(
+)
+*
++
+-
+/
+:
+;
+@
+NEWLINE
+BELL
+</code>