GloPos Confirms Indoor Positioning Accuracy of 7.7 to 12.5 Meters in Independent Tests press release tells about a new positioning technology. GloPos, the developer of a software-only positioning technology that makes all mobile phones location aware, has confirmed an indoor positioning accuracy of 7.7 to 12.5 meters in an independent test of its software conducted by VTT, The Technical Research Center of Finland (very trustworthy test laboratory in Finland). The technology is promised to work outdoors, indoors, and even underground using only a cellular network (no GPS or W-LAN needed). Testing of the outdoor, indoor and underground accuracy of GloPos software was conducted by VTT at the Helsinki City Center on May 20, 2010. The GloPos application ran on a standard GSM-only mobile phone and used only a cellular network to make phone location aware. Sounds interesting.
Accurate positioning on cellular phones is now new. Many phones have nowadays GPS in them and there have been also many postioning technologies that use cellular network (some run phone, some on the operator side). Anyways the modern digital cellular network always has to know at some accuracy the position of the cellular phone to work well. There has been software only solutions for the cellular phone end, for example Google Maps mobile application can locate you at accuracy of few hundred meters to one kilometer accuracy. Geolocation API allows HTML5/Javascript applications to get to know your location.
The current positioning technology can be used for many things, for good and bad. IPhone and iPad Lost in the Trash, Found With MobileMe article tells how the location functionality helped to find lost iPhone and iPad.
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I Can Stalk U: New Site Posts Exact Locations of Twitter Users Posting Geotagged Photos
http://www.readwriteweb.com/archives/i_can_stalk_u_new_site_posts_exacts_locations_of_twitter_users_posting_geotagged_photos.php
“Many people may be unaware that lots of smartphones geo-tag photos,” explains security researcher Graham Cluley, who revealed the site via blog post today. The site itself quietly launched a few months ago to little fanfare.
http://www.sophos.com/blogs/gc/g/2010/08/23/stalk-site-exposes-danger-sharing-photos-online/
http://www.mayhemiclabs.com/content/icanstalku-attempting-raise-awareness-about-inadvertent-information-sharing
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Tomi Engdahl says:
GPS attacks risk maritime disaster, trading chaos
http://www.reuters.com/article/2012/02/22/us-security-gps-idUSTRE81L00E20120222
Satelite navigation systems are at risk from criminals, terrorists or even just bored teenagers, with the potential to cause major incidents from maritime disasters to chaos in financial markets, leading experts warned on Wednesday.
Experts are worried about havoc that could be caused if GNSS signals were illegally jammed
Widely available on the internet, jammers are not illegal to own but are illegal to use. Just how widespread they are is unclear
While jamming poses an immediate threat, a potentially more serious risk is posed by “spoofing” – creating false GPS signals to alter users perceptions of time or location. Until recently, while theoretically possible, such technology was not seen as viable or affordable.
“The financial exchanges that depend so much on their own credibility and on people’s trust of the markets could be damaged fairly significantly by routine manipulation of the time stamps that they apply to all of their transactions,” he said.
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N. Korea’s jamming of GPS signals poses new threat: defense minister
http://english.yonhapnews.co.kr/national/2010/10/05/67/0301000000AEN20101005005900315F.HTML
North Korea’s ability to jam GPS signals presents a new threat, one that Seoul is working to deal with, South Korea’s defense minister said Tuesday.
“We have an intelligence report that says North Korea can jam GPS signals within a 50- to 100-kilometer radius,” minister Kim Tae-young said at a parliamentary audit. “North Korea has imported vehicle-mountable devices capable of jamming GPS signals from Russia.”
Kim earlier said the North is believed to be behind the occasional malfunctioning of GPS signal receivers in parts of South Korea’s west coastal areas for hours on Aug. 23-25.
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