Electronic Weapons: December 12, 2002


In 1999, a Russian firm, AviaConversia offered for sale four different models of GPS jammers (for about $4000 each). This gear only puts out 4-8 watts, making them very tough to find and bomb. And the jammers can effectively block GPS signals out to 150-200 kilometers, depending on terrain. The jammer can run off batteries and weighs between 18 and 26 pounds (without batteries). When operating, the jammers consume less than 25 watts of power. Since AviaConversia announced their product, plans for building your own (from off the shelf components) have appeared on the Internet. Apparently, the parts can be obtained for less than a hundred dollars. Soldering skills required. Already assembled units are also available on the Internet for as low as $40. AviaConversia has since apparently disappeared. AviaConversia made much of its connections with the Russian armed forces and the implied assurance that its jammer worked. There have been no reports of the cheap jammers on the Internet being used, or to what effect. U.S. military experiments found that the cheap jammers were not that effective, and larger ones, built from off the shelf components, and costing nearly $10,000. For the last few years, the Department of Defense has been building and testing GPS Jammer detectors, and building homing systems sensitive to go after them. Other nations, such as Australia, have also been working on ways to defeat jammers. One method already available is to change the GPS frequency. But someone with access to the GPS satellites has to do this.


Article Archive

Electronic Weapons: Current 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 



Help Keep Us Soaring

We need your help! Our subscription base has slowly been dwindling. We need your help in reversing that trend. We would like to add 20 new subscribers this month.

Each month we count on your subscriptions or contributions. You can support us in the following ways:

  1. Make sure you spread the word about us. Two ways to do that are to like us on Facebook and follow us on Twitter.
  2. Subscribe to our daily newsletter. We’ll send the news to your email box, and you don’t have to come to the site unless you want to read columns or see photos.
  3. You can contribute to the health of StrategyPage. A contribution is not a donation that you can deduct at tax time, but a form of crowdfunding. We store none of your information when you contribute..
Subscribe   Contribute   Close