that would be "line of SIGHT" and the map is here: http://olpc-france.org/wiki/index.php?title=Fichier:Faisabilit%C3%A9_wifi_NB_NK_V1.jpg
Sean On Mon, May 2, 2011 at 12:13 AM, Sean DALY <sdaly...@gmail.com> wrote: > The OLPC France association will bring wifi to its Nosy Komba > (Madagascar) deployment this way in June [1], packing antennas, > routers, solar panels, batteries and masts in trunks (!) and setting > them up with local help through line of site wifi over 11km from an > xDSL connection on the nearby larger island of Nosy Be directly to the > XS school server in the school compound. This will be the first > Internet connection on Nosy Komba Island. > > Bastien will be with you to tell you more about Nosy Komba ;-) > > Sean > > 1. > http://olpc-france.org/wiki/index.php?title=Projet_Nosy_Komba_2011#R.C3.A9seaux > > > > On Sun, May 1, 2011 at 10:29 PM, David Farning > <dfarn...@activitycentral.com> wrote: >> EduJam started with a bang this morning with visit to the Aurora project in >> Tala, Uruguay. The project, run by a local farmers cooperative, brings WIFI >> to farmers outside of Tala. The local telcos decided that it is not >> profitable enough to bring service to the area. In true hacker fashion they >> built their own system. >> >> The core of the system is a number of transmission towers which are >> connected via directional antennas. These towers can be comfortably located >> about 10km apart. Each tower has a number of WIFI transmitters which serve >> local families. If the family is close they can use standard WIFI. As they >> move farther from the tower they use a systems of extenders to connect to >> the nearest tower. >> >> These towers are daisy chained to enable coverage for a wide area at a very >> low price. Back in Tala, a nearby community with internet connectivity, the >> projects connects via a standard DSL connection. >> >> The most amazing part is that they can set up a complete tower, antennas, >> and base station for less than $1,000 each. They fabricate the towers >> themselves. The families which will be using the tower erect it themselves. >> Some of the towers are taller than 20 meters. Pretty impressive. Once the >> tower is up, project members come and install the transmitters. >> >> It is a great example of hardware hacking. The local families, left behind >> by the local telco, are scratching their own itch to provide connectivity >> for their kids who use XOs and for themselves. The project members are >> freely sharing their knowledge and experience with other co-operatives so >> they can set up system for themselves and their children. >> >> Absolutely brilliant idea which is being well executed :) Formal session >> was follow by an asado which gave us a great chance to talk with the people >> with that set up the project. >> >> david >> >> _______________________________________________ >> Sugar-devel mailing list >> sugar-de...@lists.sugarlabs.org >> http://lists.sugarlabs.org/listinfo/sugar-devel >> > _______________________________________________ IAEP -- It's An Education Project (not a laptop project!) IAEP@lists.sugarlabs.org http://lists.sugarlabs.org/listinfo/iaep