[IAEP] [Sugar-devel] EduJAM day 1 Tour of Uruguay

[Sean DALY]

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.be at 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
> <dfarning at 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
>>
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>