Re: Emtel Airbox Packages

From: Mohammad Nadim <nadim.attari_at_gmail.com>
Date: Tue, 16 Jun 2015 23:28:28 +0400

Hello Cédric,



On 16 June 2015 at 23:01, Cédric Poottaren <cedric_at_jcplaboratory.org> wrote:

> Hello Nadim,
>
> I don't how far this applies to our ISPs (Emtel) but there's some theory
> on Wikipedia [1] about latency for internet satellite dish. I quote:
>
> " The absolute
> minimum total amount of delay
> is variable, due to the satellite
> staying in one place in the sky,
> while ground based users can be
> directly below with a roundtrip
> latency of 239.6 ms, or far to the
> side of the planet near the
> horizon with a roundtrip latency
> of 279.0 ms. [12]
> For an internet packet, that
> delay is doubled before a reply is
> received. That is the theoretical
>


Emtel will not use geo-stationary satellites. They will use cell phone
towers instead, if I'm not wrong.

Regards,
Nadim Attari
Received on Tue Jun 16 2015 - 19:28:41 PST