Line feed 01000 10111 29 Letters shift 11111 00000 30 Figures shift 11011 00100 31 Space 00100 11011 32 Unperf. tape 00000 11111-----Notes: 1. The bit coding does not show the start bit (0) or the stop bit (1) in respect of RTTY. 2. Variants in fig table. Combination 4 dollar sign, or pound sign, or "who are you". 6 not internationally agreed. Can be internal sign 7 " 8 " 10 ampersand