Silent Sentry
Silent Sentry’s Passive Coherent Location (PCL) technology provides precise, real-time, all-weather detection and tracking ideal for air surveillance, missile tracking and homeland security applications. Silent Sentry’s innovative approach is totally passive, allowing targets to be tracked without generating any RF energy by using existing broadcast signals from FM radio and TV (analog and digital) transmitters across the globe. This virtually undetectable surveillance system has no safety or environmental impact. With no moving parts and a commercial off-the-shelf (COTS) approach, Silent Sentry is less expensive to acquire, operate and maintain than traditional radar systems. Silent Sentry systems provide covert, robust performance featuring three-dimensional tracking with highly accurate  horizontal position and velocity measurements. A modular, flexible, network-ready COTS design facilitates integration with legacy and emerging systems. Silent Sentry systems are compact, easily deployed, and configurable for a variety of surveillance applications. Silent Sentry offers the following advantages: - Fill gaps in active surveillance radar coverage (e.g. at low altitudes, in difficult terrain)
- Simultaneously provide coverage throughout large volumes of airspace at higher altitudes
- Can be deployed covertly and non-provocatively
- Updates target position and velocity for every detected aircraft in real time
- Can be used to cue active tracking radars
- Costs less than traditional radar systems to buy and operate because it is COTS-based
- Easily benefit from improvements in performance and reductions in cost of COTS components
A passive sensor system is an attractive adjunct to a predominantly active air surveillance sensor suite. Silent Sentry Fact Sheet
Information Systems and Global Services
700 North Frederick Avenue
Gaithersburg, MD 20879
(301) 240-7500
CONTACT
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