[tz] Coordinated Universal Time (UTC) to retain “leap second”

[Paul_Koning at dell.com]

> On Nov 20, 2015, at 12:16 AM, Random832 <random832 at fastmail.com> wrote:
> 
> On 2015-11-20, Paul Ganssle <paul at ganssle.io> wrote:
> ...
>> You think a timescale which is an integer number of seconds
>> offset from TAI and which is within a second or so of London’s
>> Mean Solar Time is wholly unnecessary. This demonstrates that
>> you aren’t a marine navigator, an astronomer, or (where it
>> bites especially hard) an aviator. It’s from these people that
>> the real-world pushback against decoupling international
>> standard time from mean solar is coming, and they have good
>> reasons.

I'm puzzled.  Are there still marine navigators who have a sextant at hand, never mind know how to use one, let alone active use it?  And celestial navigation in airplanes disappeared, what, 50 years ago?  More?

	paul