In the late 1960s German radio station DCF77 did not broadcast time
signals 24 hours a day. Different agencies controlled different
signals at different times of day.
Deutsches Hydrographisches Institut broadcast signals based on
old UTC using their measurements of UT2 and the BIH offsets.
PTB b
On Wed 2020-02-05T15:32:54-0800 Tom Van Baak hath writ:
> I'm not sure it's fundamental to TAI that one must always, or only, use
> 24x60x60 radix notation. That's a useful convention in many cases, but at
> the h/w counter or s/w binary integer level radix notation is not required.
There were dis
Warner,
> Yes. I wish it were clearer that TAI time is a regular radio
expression of time.
> Here regular radix means that it every day has 24 hours and every
hour 60 minutes
> and every minute has 60 seconds.
I'm not sure it's fundamental to TAI that one must always, or only, use
24x60x60 r
On 2020-02-04 21:16, Steve Allen wrote:
The first time that the 4th meeting of the CCDS happened was in 1966,
but that meeting is not found in any official record. The meeting
ended with a vote to recommend that the CGPM should adopt an SI second
based on cesium, but the circumstances of t
On Tue, Feb 4, 2020 at 7:31 AM Brooks Harris wrote:
> On 2020-02-04 2:54 AM, Warner Losh wrote:
> >
> > Have I forgotten any of the other details of leap seconds that are
> > more tribal knowledge than rigorously specified?
> >
> > Warner
> >
> >
> I think another unclear topic is when the value