[Battlemesh] International links between Austria, Croatia, and Slovenia

Paul Gardner-Stephen paul at servalproject.org
Sat Oct 20 20:51:05 CEST 2012


Serval Rhizome is designed to make good use of Sneakernet type links.
We can already do SMS-type messaging, file distribution (including
offering software updates) etc via it.

On Sun, Oct 21, 2012 at 5:14 AM, Michel de Geofroy
<micheldegeofroy at gmail.com> wrote:
> If line of sight is not presently feasible encrypted tunnels should bridge
> the gap or even physical carriers could use flash memory on phone or ssd
>
> http://en.wikipedia.org/wiki/Sneakernet
>
>
> On Sat, Oct 20, 2012 at 7:53 PM, Hans-Christoph Steiner
> <hans at guardianproject.info> wrote:
>>
>>
>>
>> On 10/20/2012 11:49 AM, Henning Rogge wrote:
>> > On Sat, Oct 20, 2012 at 5:38 PM, Gui Iribarren <gui at altermundi.net>
>> > wrote:
>> >> On Sat, Oct 20, 2012 at 11:49 AM, Hans-Christoph Steiner
>> >> <hans at guardianproject.info> wrote:
>> >>> On 10/20/2012 02:29 AM, Henning Rogge wrote:
>> >>>> On Sat, Oct 20, 2012 at 6:54 AM, Paul Gardner-Stephen
>> >>>> <paul at servalproject.org> wrote:
>> >>>>> WiFi long-shots from USA->Alaska->Russia->Europe should be possible?
>> >>>>
>> >>>> Only with really high towers or a relay station on the island in the
>> >>>> Bering Strait.
>> >>>> (its nearly 100 km of water if you don't have a relay on the island)
>> >>>
>> >>> 125 miles/200km with 300mW wifi:
>> >>>
>> >>> http://boingboing.net/2005/07/31/defcon-wifi-shootout.html
>> >>
>> >> Ermanno Pietrosemoli et al [0] actually did a ~400km link on 2.4ghz,
>> >> but those distances (including the defcon wifi shootout), are only
>> >> possible because of the heights provided by generous mountains.
>> >>
>> >> [0]:
>> >> https://interred.wordpress.com/2007/06/18/ermanno-pietrosemoli-has-set-a-new-record-for-the-longest-communication-wi-fi-link/
>> >
>> >
>> > Exactly... I was more worried about "curving of Earth" than about power.
>>
>> If you're talking Alaska to Russia, you only need 40km links because there
>> is
>> an island in between, as well as a 600m peak right on the shore:
>>
>>
>> http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=alaska&aq=&sll=40.697488,-73.979681&sspn=0.559109,0.810242&vpsrc=6&t=h&ie=UTF8&hq=&hnear=Alaska&ll=65.650349,-168.527527&spn=0.608111,1.620483&z=9
>>
>> And if you really need height, other parts of Alaska have 6000m peaks like
>> Denali.
>>
>>
>>
>> .hc
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>
>
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