What about stealing satelite bandwidth? Is that possible? If there is an uplink at the centre of an (urban) network of wi-fi stations it might be possible to connect all the little urban islands together.
Best Simon On 01/02/2011 13:15, "James Wallbank" <[email protected]> wrote: > Hello All, > > Over the last few years Consume.Net and others have been talking about > independent network infrastructures - in other words, artists, activists > and other independently-minded people building communications networks > that don't rely on commercial service providers. > > While it's totally feasible to create free wifi hotspots, and you can > extend them to perhaps 500m range, this falls short of genuine, free > communication - the heavy lifting still gets done by the cable > providers. The problem is long range links. > > I don't propose to set out the arguments about why independent > communications infrastructures are interesting here, but just look at > the way that the Egyptian Government has just "switched off the > internet" or the way that WikiLeaks' commercial hosts dropped them like > a hot potato under who-knows-what pressure, and you start to see one point. > > Either way around, the long-range link problem has been persistent - > sure, you can send slow digital signals (about 1200 baud) over shortwave > for hundreds of kilometers - apart from the fact that it's illegal, easy > to detect, and feasible to block. So what can the aspiring independent > communicator do? > > Ronja - point-to-point communications using high-intensity LEDs and > telescopes, is quite nice - these can have a range of a kilometer or > more. If you use infrared LEDs nobody notices you're communication, either. > > Then one of our Access Spacers who's a radio ham saw this recent > experiment using light-arrays to transmit analog communications a cool > 87 kilometers. Now that's more like it! With a half-dozen relay points > we could start building a trans-regional network. > > Check it out! http://krystynahaywood.co.uk/sarc/2011/01/711/ > > Best Regards, > > James > ===== > _______________________________________________ > NetBehaviour mailing list > [email protected] > http://www.netbehaviour.org/mailman/listinfo/netbehaviour > Simon Biggs [email protected] http://www.littlepig.org.uk/ [email protected] http://www.elmcip.net/ http://www.eca.ac.uk/circle/ _______________________________________________ NetBehaviour mailing list [email protected] http://www.netbehaviour.org/mailman/listinfo/netbehaviour
