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An alternative could be using text messages in additional. <br>
<br>
At our University a student is just finishing his Master thesis. He
developed a framework for the collection of point based data based
on Internet AND cellular network (based on ideas provided by Harry
Ferdiansyah from Indonesia). In the latter case SMS text messages
are used for the transfer of information. The information chunks
which can be submitted are based on a configurable thesaurus to
assure consistency and further automatic processing. <br>
<br>
The data transfered using Internet or cellular network are stored in
a server-based MYSQL dbms.<br>
<br>
Regards Franz-Josef<br>
<br>
<div class="moz-cite-prefix">Am 03.02.2016 um 15:02 schrieb Mhairi
O'Hara:<br>
</div>
<blockquote
cite="mid:CAByqXH+wwA8nQQK2WguD8oddRwkwFpEKevc_gYQe_6sGGdS_Pw@mail.gmail.com"
type="cite">
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<div dir="ltr">Cheers John! We're collecting data on financial
services, education and health facilities in Eastern Uganda and
are looking for sharing solutions that don't involve the
internet. With up to 50 students at times, sharing files via usb
sticks and external hard drives is not ideal as it can be time
consuming. Will look into the setup to see if it could work for
us here.
<div><br>
</div>
<div>Mhairi<br>
<div><br>
</div>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Wed, Feb 3, 2016 at 3:00 PM, Katja
Ulbert <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:mail@katja-ulbert.de" target="_blank">mail@katja-ulbert.de</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"> Thanks for this
valuable information, John!
<div>
<div class="h5"><br>
<br>
<div>On 31/01/16 22:34, Pete Masters wrote:<br>
</div>
<blockquote type="cite">
<p dir="ltr">Really interesting, John.... Thanks for
the post. Just conducted training in DRC on data
collection and base mapping. We tried to focus as
much as possible on offline solutions. Wish I'd
read this before we'd been, not just after! ;)</p>
<p dir="ltr">Pete</p>
<div class="gmail_quote">On 31 Jan 2016 20:35, "john
whelan" <<a moz-do-not-send="true"
href="mailto:jwhelan0112@gmail.com"
target="_blank">jwhelan0112@gmail.com</a>>
wrote:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0
0 .8ex;border-left:1px #ccc
solid;padding-left:1ex">
<div dir="ltr">
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">I've
been playing around with Serval software on
Android. Ideally it needs a wifi mesh set
up using multiple firmware modified TP-Link
MR3020 portable routers with custom software
connected to a small radio device which
turns it into a mesh extender.<br>
<br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">The
original concept was to turn the smartphone
into a router but the latest Android
software well anything above 2.2 denies
access to do this. Besides which rooting
the phone in this manner is not good from
the security point of view.<br>
<br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">However
if you are running Windows 10 and your
Laptop supports it, most should, you can
turn your laptop into a wifi hot spot that
other devices can connect to. Note you
should not need to be connected to the
Internet for this to work.<br>
<br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">Translation
Android smartphones running Serval within
say 100 meters of the laptop can now talk
to each other. I haven't tried a phone
call, I don't have two Smartphones to hand,
but messaging certainly works.<br>
<br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">You
should also be able to transfer files
certainly from one smartphone to another and
if Serval doesn't support file transfer to
the host laptop there are other apps around
that do. So things like the latest maps for
Osmand etc can be brought down once to the
laptop then propagated out to smartphones or
a smartphone sent by mail, mule etc to the
wifi hub can then connect and distribute
files etc.<br>
<br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">I
haven't looked at the implications of
interconnecting laptops perhaps with cat 5
cables and although phone calls should be
fine across one wifi hub theoretically each
hub used in the hops adds a small delay so
voice quality over multiple hops may not be
ideal.<br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">Cheerio
John <br>
</div>
</div>
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<div dir="ltr"><span
style="color:rgb(136,136,136)"><font
size="2">Mhairi O'Hara</font></span>
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