By: Chester (lamchester.delete@this.gmail.com), November 26, 2020 7:55 pm
Room: Moderated Discussions
Salvatore De Dominicis (no.delete@this.thanks.com) on November 26, 2020 8:15 am wrote:
> David Hess (davidwhess.delete@this.gmail.com) on November 25, 2020 10:30 pm wrote:
> > Chester (lamchester.delete@this.gmail.com) on November 25, 2020 3:43 pm wrote:
> > >
> > > But my faith in internet infra anywhere outside of a city or corporate
> > > campus is quite low. And latency to satellites has always been bad.
> >
> > Latency to geosynchronous satellites is inherently bad because of how far away they are; 36 million meters
> > / 300 million meters per second = 120 milliseconds each way just from the speed of light delay. This
> > objection does not apply to Starlink satellites in low Earth orbit because they are so much closer, and
> > tests have already demonstrated their latency as being competitive with consumer grade internet.
> >
>
> IIRC one of the design goals of Starlink was to be able to connect London to New York with lower latency
> than optic fiber, using the fact that the speed of light in fiber is lower than air/vacuum
>
> Salvatore
It'd be super cool if they can pull it off.
I looked a few things up about Starlink. Bandwidth for now is acceptable (50-150 mbps), but people get dropouts if line of sight to satellites is obstructed. Hopefully they'll improve over time.
> David Hess (davidwhess.delete@this.gmail.com) on November 25, 2020 10:30 pm wrote:
> > Chester (lamchester.delete@this.gmail.com) on November 25, 2020 3:43 pm wrote:
> > >
> > > But my faith in internet infra anywhere outside of a city or corporate
> > > campus is quite low. And latency to satellites has always been bad.
> >
> > Latency to geosynchronous satellites is inherently bad because of how far away they are; 36 million meters
> > / 300 million meters per second = 120 milliseconds each way just from the speed of light delay. This
> > objection does not apply to Starlink satellites in low Earth orbit because they are so much closer, and
> > tests have already demonstrated their latency as being competitive with consumer grade internet.
> >
>
> IIRC one of the design goals of Starlink was to be able to connect London to New York with lower latency
> than optic fiber, using the fact that the speed of light in fiber is lower than air/vacuum
>
> Salvatore
It'd be super cool if they can pull it off.
I looked a few things up about Starlink. Bandwidth for now is acceptable (50-150 mbps), but people get dropouts if line of sight to satellites is obstructed. Hopefully they'll improve over time.
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