[time-nuts] Leap second to be introduced at midnight UTC December 31 this year

Noah noah.robin at gmail.com
Wed Jul 20 17:12:14 EDT 2016

First time poster; just subbed. Not a time hobbies the; my team @ work runs NTP infrastructure. So , that's a brief intro out of the way...

Discovered that my commercial GPS appliances opted to *apply* yesterday's pending leap second, which has made for an interesting day.


>> On Jul 19, 2016, at 8:39 PM, Jay Grizzard <elfchief-timenuts at lupine.org> wrote:
>> On Tue, Jul 19, 2016 at 11:39:29PM +0000, Mark Sims wrote:
>> The GPS satellites are now reporting the pending leapsecond...
>> The Z3801A has it messed up...  it says the leap will occur on 30 Sep
>> 2016 (73 days).  The Z3801A has two different messages that report the
>> leap day...  both are wrong.                         
> I think some (modern!) Trimble gear may also has a problem. I have an ICM 
> SMT 360 board that's (slowly) flipping back and forth between showing a UTC
> offset of 17 seconds and an offset of 18 seconds. This is their currently
> shipping timekeeping chip, so it's surprising, but I don't know how else
> to explain the behavior outside of a firmware bug.
> (I've sent an email to Trimble support, but haven't heard anything back yet.)
> -j
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