by Rootsimple, ZenGardner.com
Enterprising amateur radio operators in Texas, over the past several years, have created a wireless high speed data network, called HSMM-MESH or Broadband-Hamnet, completely independent of the internet. The map above is the network built by HAMs in Austin, Texas. Basically it’s a bunch of hacked Linksys routers connecting wirelessly over a wide area. Plug a laptop into any of the routers and you can trade messages, files and live video back and forth.
This is possible because it just happens that the frequency range of off the shelf wireless routers overlaps with amateur radio frequencies making it legal for HAMs to boost the range of these devices. That and the fact that several models of ubiquitous Linksys routers are cheap and easy to hack.
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