[MLB-WIRELESS] Fw: [Syd-Wireless] World's Longest Wi-Fi Connection Made by The Swedish Space Corporation

[rik]

well what about the power company, thoughs things are like 30meters tall. if
we put repeaters every 6 towers we could reach sydney couldnt we?
----- Original Message -----
From: "Jamie Lovick" <jalovick at doof.org>
To: <melbwireless at wireless.org.au>
Sent: Wednesday, January 15, 2003 10:23 AM
Subject: RE: [MLB-WIRELESS] Fw: [Syd-Wireless] World's Longest Wi-Fi
Connection Made by The Swedish Space Corporation


>
> Hi,
>
> On Wed, 15 Jan 2003, Jason Tedesco wrote:
> >
> > > 310km...wow can we do better? it looks like it could solve a lot of
> > > problems. could it?
> >
> > Instead of just doing something like this better, we could make it
> > better by using linking up Melbourne wireless and Sydney wireless.
> > Has anything like this been discussed? ( And I don't mean just a few
> > E-Mail or irc sessions saying it's a good idea).
>
> While this is a good idea, there are a few things to take into
> consideration here ...
>
> The setup they were using was over free space to an object that was
> around 29.7 Km's high. Since the signal was effectively going up, there
> is less chance of interference that we would experience over the
> ground. Also, they were outputting at 6 Watts, we are limited to 4 Watts
> EIRP.
>
> Over the 1000 odd Km's between Melbourne and Sydney, curvature of the
> earth and interference from other sources would come into effect. Having
> said that, noise in the 2.4 GHz in rural areas is generally less.
>
> A setup like that would not likely be cost effective, and would require
> an extememe amount of hacking of the cards to get them to work over that
> distance.
>
> What is relatively easily achievable at the moment is links of around
> 50Km's or so, which may eventially get us a link between Melbourne and
> Sydney with enough hops, but I am sure that those links would get
> spammed quite easily, as opposed to one's bridged over the internet from
> multiple points.
>
> Despite what I have said here, I think it's a cool idea, but not really
> an achievable one.
>
> Regards
>
> Jamie
>
> --
> Jamie Lovick    <->  IT Consultant    <-> +614 1479 1681
> Hobby     : Doof.org                   -> jalovick at doof.org
> Director  : Drastic Solutions Pty Ltd  -> jalovick at drasticsolutions.com.au
> ----- Public Relations Officer - the Australian Wireless Association -----
>
>
>
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