[time-nuts] Why, How and When Redefining the SI Second

[Bob kb8tq]

Cool !!!

> On Feb 2, 2021, at 2:14 AM, Tom Van Baak <tvb at LeapSecond.com> wrote:
> 
> This from the ION/PTTI mailing list...
> 
> Two great talks, online, for free:
> 
> 1) Why, How and When Redefining the SI Second
> 
> 2) Google’s Use of 3D Building Models to Solve Urban GNSS
> 
> The video link is: https://vimeo.com/505359672
> 
> Details:
> 
> >
> > Institute of Navigation’s ITM/PTTI 2021 VIRTUAL conference
> >
> > ITM/PTTI 2021 Plenary Session
> >
> > Last week, attendees of the Institute of Navigation’s ITM/PTTI 2021
> > VIRTUAL conference were treated to two timely keynote addresses:
> >
> > Dr. Elisa Felicitas Arias, live from Paris, gave a fascinating presentation,
> > “Why, How and When Redefining the SI Second” – currently a hot topic for time metrology.
> >
> > Google’s Dr. Frank van Diggelen gave an overview and update on
> > “Google’s Use of 3D Building Models to Solve Urban GNSS.”
> >
> > Both keynote addresses were well attended and so interesting,
> > we wanted to share them with you.
> >
> > Watch the ITM/PTTI 2021 Plenary Session
> > https://vimeo.com/505359672
> >
> > Annual Awards and Fellows Ceremony
> > We also wanted to share the ION's Annual Awards and Fellows Ceremony
> > featuring today’s superstars in positioning, navigation and timing.
> >
> > ION’s Annual Awards and Fellows Ceremony may be viewed on a complimentary
> > basis at: https://vimeo.com/505755810
> >
> > The entire ION ITM/PTTI 2021 VIRTUAL conference, including video presentations,
> > abstracts, and full papers, is available online for the next 30 days.
> > Register at ion.org for access to the entire program.
> >
> > Please forward this to any colleagues you think might also be interested in watching these.
> >
> 
> /tvb
> 
> 
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