The Signal Sentry GPS sensors placed 
around the port are designed to instantly sense and
locate jamming sources.
Photo: Exelis

[Via Satellite 09-19-13] Signal Sentry 1000, an Exelis product that detects and locates GPS interference sources in 3-D by using longitude, latitude and altitude has demonstrated successful results during a planned field testing event held last week at the Vidsel Test Range in Sweden.

Signal Sentry 1000 technology is a network of threat-detection sensors, which is part of a centralized server executing proprietary location algorithms developed by Exelis. These sensors can be strategically located around different types of critical infrastructure, such as shipping ports, utilities and government facilities to automatically sense and locate any intentional or unintentional GPS jamming source. In the event of a threat, users would receive location information and actionable intelligence in order to determine an interference-mitigation plan.

Taking advantage of the range’s remote location, Exelis was able to conduct tests of its Signal Sentry 1000 product using controlled jamming. The test was conducted without disrupting the GPS signal relied upon by civilian and military operations outside of the test range location. It employed eight sensors positioned in an array pattern and showed that Signal Sentry was able to successfully detect and locate the jamming source. Having demonstrating interference detection and location capability, Signal Sentry 1000 can be deployed to collect actionable intelligence for law enforcement and protect GPS signal-dependent critical infrastructures, according to Exelis.