Copyright © Philip M. Parker, INSEAD. Terms of Use.

| Domain | Definition |
Solar | The optimum HIGH FREQUENCY radio wave with a 3000 km range, which reflects only once from the IONOSPHERE (single hop transmission). (references) |
Source: compiled by the editor from various references; see credits. | |
Hexadecimal (or equivalents, 770AD-1900s) (references)4D      33 30 30 30 |
| Leonardo da Vinci (1452-1519; backwards) (references)
|
Binary Code (1918-1938, probably earlier) (references)01001101 00100000 00110011 00110000 00110000 00110000 |
HTML Code (1990) (references)M   3 0 0 0 |
ISO 10646 (1991-1993) (references)004D      0033 0030 0030 0030 |
Encryption (beginner's substitution cypher): (references)47221181818 |
| 1. Orthography 2. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.