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Posted to commits@daffodil.apache.org by "Mike Beckerle (Jira)" <ji...@apache.org> on 2022/02/15 22:41:00 UTC

[jira] [Assigned] (DAFFODIL-2659) Special 6-bit character set needed

     [ https://issues.apache.org/jira/browse/DAFFODIL-2659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mike Beckerle reassigned DAFFODIL-2659:
---------------------------------------

    Assignee: Mike Beckerle

> Special 6-bit character set needed
> ----------------------------------
>
>                 Key: DAFFODIL-2659
>                 URL: https://issues.apache.org/jira/browse/DAFFODIL-2659
>             Project: Daffodil
>          Issue Type: New Feature
>          Components: Back End
>    Affects Versions: 3.2.1
>            Reporter: Mike Beckerle
>            Assignee: Mike Beckerle
>            Priority: Blocker
>
> This 6-bit charset encoding is needed. Suggested name ICAO-6-bit. 
> The bit order is mostSignificantBitFirst. 
> Each 6-bit group encoded:
>  * 0 = no statement (NUL)
>  * 1..26 = “A”..”Z”
>  * 27-31 = not used
>  * 32 = “ “ (Space character)
>  * 33-47 = not used
>  * 48..57 = “0” (number)..”9”
>  * 58-63 = not used
> The above encoding is based on
> International Civil Aviation Organization, Annex 10 – Aeronautical Telecommunications, Volume IV, Chapter 3, Table 3-7: Character coding for transmission of aircraft identification by data link.



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