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<span style="font-size: 20px; font-weight: bold;
color: rgb(0, 0, 0); font-family: arial;
line-height: 110%;">OPLIN 4cast #427: TV white
spaces</span><br>
<!-- Make sure you modify the date of the 4Cast in this section -->
<span style="font-size: 11px; font-weight: normal;
color: rgb(102, 102, 102); font-style: italic;
font-family: arial;">March 4, 2015</span></p>
<!-- Begin copy of Web Source here -->
<p style="text-align: justify;font-size: 16px;
font-family: arial; line-height: 110%;"><img
src="cid:part4.03020006.01070302@oplin.org"
alt="television set" align="left" height="119"
width="110">In June 2009, television stations in
the United States stopped broadcasting analog
signals and switched to digital transmissions.
This released large areas of broadcast frequencies
between 50 MHz and 700 MHz that are not needed for
digital TV, and are available for other uses. One
possible use of this "white space" is for wireless
broadband Internet access, using relatively
inexpensive equipment to transmit Internet data
over these frequencies rather than using a
physical connection or cellular wireless. So does
this technology have any value for libraries?
Possibly. The Gigabit Libraries Network is
currently leading a <a
href="http://www.giglibraries.net/page-1712342">WhiteSpace
Pilot</a> project to demonstrate how TV white
space "...can increase availability and
convenience of Wi-Fi access at tens of thousands
of new fixed and portable public library community
hotspots."
</p>
<div> </div>
<ul style="text-align: left;">
<li style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;"><a
href="http://www.zdnet.com/article/microsoft-backed-tv-white-spaces-trial-goes-commercial-in-ghana/">Microsoft-backed
TV white spaces trial goes commercial in Ghana</a>
(ZDNet | Adam Oxford) "TV white spaces,
otherwise known as dynamic spectrum allocation,
is seen as a promising form of connectivity for
extending broadband networks to rural areas
across the world - including parts of the US. It
works on unlicensed areas of the radio frequency
spectrum that are allocated for analogue TV
channels, using gaps in the signal to carry
internet traffic. Google, Facebook, and
Microsoft have all run white spaces pilots in
Africa, and it is considered a promising
alternative for broadband access where building
a commercial case for 4G or fibre is tough."</li>
<li style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;"><a
href="http://www.techrepublic.com/article/white-space-the-next-internet-disruption-10-things-to-know/">White
Space, the next internet disruption: 10 things
to know</a> (TechRepublic | Lyndsey Gilpin)
"Television networks leave gaps between channels
for buffering purposes, and this space in the
wireless spectrum is similar to what is used for
4G and so it can be used to deliver widespread
broadband internet. Typical home Wi-Fi can
travel through two walls. White Space broadband
can travel up to 10 kilometers, through
vegetation, buildings, and other obstacles.
Tablets, phones, and computers can all access
this wireless internet using White Space through
fixed or portable power stations."</li>
<li style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;"><a
href="http://www.wired.co.uk/news/archive/2015-02/13/white-space-spectrum">TV
white space will connect the internet of
things</a> (Wired UK | James Temperton) "Uses
for the technology currently being trialled
include live video streaming of meerkats at
London Zoo and sensor networks to provide flood
warnings on the Thames and Cherwell rivers near
Oxford. Trials have also been carried out to
bring faster broadband connections to ships
travelling near the Orkney Islands. The first
commercial uses of the technology are expected
by the end of 2015."</li>
<li style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;"><a
href="https://civsourceonline.com/2015/01/30/libraries-to-expand-as-tvws-hot-spots-with-new-knight-project/">Libraries
to expand as TVWS hot-spots with new Knight
project</a> (CivSource | Bailey McCann) "Phase
two of the project - with the aid of Knight
funding - will expand the role of libraries
using TVWS. Participants will be encouraged to
think of ways to use TVWS/WiFi for community
disaster planning as a redundant and potentially
community resource. Ideas to explore include how
to use libraries as a headquarters during
disasters or as pop-up hotspots around the
community."</li>
</ul>
<div style="text-align: left;"> </div>
<p style="text-align: left; font-size: 20px;
font-family: arial; line-height: 110%;"><small><strong><em>Articles
from <a href="http://ohioweblibrary.org">Ohio
Web Library</a>:</em></strong></small><br>
</p>
<div style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;">
<ul>
<li><a
href="http://web.b.ebscohost.com.proxy.oplin.org/ehost/detail/detail?sid=8a18b919-edeb-48eb-8183-a7cec63ad802%40sessionmgr110&vid=0&hid=106&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#db=mih&AN=80162963">Spectrum
management.</a> (<em>GAO Reports</em>,
9/13/2012, p1-24 | Mark L. Goldstein)</li>
<li><a
href="http://web.b.ebscohost.com.proxy.oplin.org/ehost/detail/detail?sid=f2f2647a-7299-444c-accb-c8f792239725%40sessionmgr198&vid=0&hid=106&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#db=ulh&AN=91583508">Tune
in to the gaps.</a> (<em>New Scientist</em>,
10/19/2013, p22 | Paul Marks)</li>
<li><a
href="http://web.b.ebscohost.com.proxy.oplin.org/ehost/detail/detail?sid=48e0fb95-af88-4663-9bcd-08ecb2ba811b%40sessionmgr114&vid=0&hid=106&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#db=sch&AN=95779651">Deploying
super Wi-Fi technology.</a> (<em>Diverse:
Issues in Higher Education</em>, 4/24/2014,
p6-8 | Ronald Roach)</li>
</ul>
</div>
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