[time-nuts] Leap Second Smear Monitoring

[Adrian Godwin]

What's the best way to get a test stream for leap seconds?

Would it be feasible to have a small set of NTP servers that insert a leap
second every other day and remove it alternately?


On 31 Dec 2016 8:41 p.m., "Magnus Danielson" <magnus at rubidium.dyndns.org>
wrote:

> Hi,
>
> Thought I just remind people that an alternative is to provide UT1 time,
> as Judah Levine had been doing on a NIST NTP server as a test of concept.
>
> Then again, do regular testing of systems to see how they handle leap
> seconds and fix things until it works is also a quite workable solution.
> That's what we done for our products and not been able to detect any
> issues with leap seconds per se.
>
> Cheers,
> Magnus
>
> On 12/31/2016 09:34 PM, Tom Van Baak wrote:
>
>> Scott -- Thanks very much for doing this, and doing it live.
>>
>> List -- For some background, see these two papers by Martin Burnicki:
>>
>> https://www.meinberg.de/download/burnicki/ntp_leap_smearing_
>> test_results.pdf
>>
>> https://www.meinbergglobal.com/download/burnicki/Leap%20Seco
>> nd%20Smearing%20With%20NTP.pdf
>>
>> /tvb
>>
>> ----- Original Message -----
>> From: "Scott Newell" <newell+timenuts at n5tnl.com>
>> To: <time-nuts at febo.com>
>> Sent: Saturday, December 31, 2016 9:53 AM
>> Subject: [time-nuts] Leap Second Smear Monitoring
>>
>>
>> I'm trying to watch the google NTP server leap second smear. This
>>> page should update once/minute with my latest data.
>>>
>>> http://www.n5tnl.com/time/leap_2016/index.html
>>>
>>> Sorry about the coarse resolution--I've set another monitor station
>>> to poll more often and I'll try and append that graph shortly.
>>>
>>> --
>>> newell  N5TNL
>>>
>>
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