Re: [LEAPSECS] Inside GNSS published an update of my CGSIC talk

2023-03-20 Thread Eric Scace
An experimental physicist I knew often reminded me: “Three is equal to two, for large values of two and small values of three." > On Mar 20, 2023, at 16:18, Warner Losh wrote: > > More seriously even 2s is approximately 1s if there's some kind of effort to > keep it from freewheeling to 10s

Re: [LEAPSECS] leap minute or hour

2022-11-14 Thread Eric Scace
If a leap minute were to be added/removed at some future date when UTC became significantly more that 30 seconds different from mean solar time, many years could be made available (e.g., 20 years!) to retire/replace/rewrite software for such an unusual event whose occurrence is on a KNOWN dat

[LEAPSECS] ntp in MacOS Mojave and beyond

2019-10-23 Thread Eric Scace
On 10/19/2019 8:44 AM, Peter Laws wrote: > On Fri, Oct 18, 2019 at 3:11 PM Peter Laws > wrote: > >>> Mac OS allows one choice of NTP server but does not seem to provide for >>> choice of NTP update frequency. Is there a 3rd party software solution, or >>> some other p

[LEAPSECS] Fwd: [time-nuts] Mac OS and iOS leap second handling

2019-10-23 Thread Eric Scace
The list admin reminded me that this email community would likely be a better audience for my questions below. Thank you in advance for sharing any current documents, tests, or practical advice. — Eric > Begin forwarded message: > > From: Eric Scace > Subject: [time-nuts

[LEAPSECS] … a few seconds late

2019-01-04 Thread Eric Scace
Shortwave broadcasters had additional reasons to modify the transmission time of pips to mark the top of the hour. For example, VOA’s transmitter site in Sao Tome is on local diesel generator-provided electricity. At times an AM broadcast band transmitter plus many (I don’t recall how man

Re: [LEAPSECS] BBC radio Crowd Science

2017-02-05 Thread Eric Scace
But I thought the change in delta occurred at midnight UTC. TAI Δ UTC 23:59:580 23:59:58 23:59:590 23:59:59 00:00:000 23:59:60 <— delta is still 0. 00:00:011 00:00:00 TAI Δ UTC 23:59:58