1. This formal physical message separation was indicated by the prosign . 2. In fact, different groups of concatenated characters may represent the same unique prosign . 3. For example the well known new paragraph prosign may be verbalized as " dahdidididah ". 4. Prosign may alternatively be shown as.5. Other non-prosign techniques are sometimes informally used to indicate such accidental errors in transmission. 6. This Morse code prosign essentially indicates a " new paragraph " in the text. 7. It should be noted character groupings concatenated to represent unique prosign symbols may not be unique themselves. 8. For example, keying the character B followed by the character T will not generate the traditional Morse prosign . 9. In this type of conversation, the receiving station waits for the turn over prosign before beginning a transmission. 10. Another example of a prosign character grouping is, which indicates the white space required to begin a new paragraph.