[tz] Fwd: Bulletin C number 57

Martin Burnicki martin.burnicki at meinberg.de
Fri Feb 1 15:10:16 UTC 2019

Brian Inglis wrote:
> On 2019-01-07 23:39, Paul Eggert wrote:
>> Brian Inglis wrote:
>>> suggests CC-PDM, CC0, ODC-PDDL, OGL, or EUPL may be suitable depending on which
>>> explicit permissions are required and whether obligations should be applied.
>>> Which of these are preferred by the masintainer?
>> The intent of the tzdb (see Internet RFC 6657 section 7) is that it be in the
>> public domain, so CC-PDM sounds like it's the most-appropriate. CC-BY 4.0 places
>> more requirements than what RFC 6657 would allow, so it would be more problematic.
> Publications Office of the European Union Open Data Portal Helpdesk says
> "After careful consideration of your request, we are sorry to inform you that
> these datasets are produced by an international specialised body so we are
> unable to publish them in ODP."

When I asked the IERS folks some years ago to make a leap second file in
this format available they agreed to do it, but I bet they just did it
without much thinking about the licensing.

I'd really expect they would do what is required to make sure the file
is in the public domain. The file was created for public usage, and they
wouldn't have to put it on their public server if they had created it
only for their own, internal usage.

Martin Burnicki

Senior Software Engineer

MEINBERG Funkuhren GmbH & Co. KG
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