On 18/03/2018 02:31, John Carter wrote:
> Can someone explain the difference?
>
> Thanks
> John Carter

As others have said, a major version upgrade.  However, the major
upgrade is not without problems like serial port no longer accessible
(without making changes), GPS software failing and needing changes,
software not working, etc. etc.

Be prepared for some clean-up effort should you upgrade (which arguably
you should...).

--
Cheers,
David
Web: http://www.satsignal.eu

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