http://www.laboratorytalk.com/news/elt/elt000.html ELTA news releases on Laboratorytalk en-gb Copyright (C)2008 Pro-Talk Ltd. All rights reserved. Fri, 25 Apr 2008 08:00:00 UT Fri, 25 Apr 2008 08:00:00 UT http://www.pro-talk.com/images/protalklogo90.gif http://www.pro-talk.com/ 90 79 Argos system is used for locating and collecting data by satellite, but unlike GPS the position of the mobile devices (beacons) is known to the system and not to the mobile devices themselves Mon, 27 Jun 2005 08:00:00 UT ELTA http://www.laboratorytalk.com/news/elt/elt100.html